CN1784250A - A mask system - Google Patents
A mask system Download PDFInfo
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- CN1784250A CN1784250A CN 200480011911 CN200480011911A CN1784250A CN 1784250 A CN1784250 A CN 1784250A CN 200480011911 CN200480011911 CN 200480011911 CN 200480011911 A CN200480011911 A CN 200480011911A CN 1784250 A CN1784250 A CN 1784250A
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- connector
- shell
- liner
- face shield
- flange
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Abstract
The inventions concerns a mask system for treating sleep disordered breathing, comprising headgear (20), a shell/cushion (30) including a channel (524) adjacent a front aperture (30.3), a frame (40), an elbow (50) including at least one undercut (50.2) on a proximal end, a retaining ring (60) including a rear flange (64) adapted to be retainably insertable in the channel (524) of the shell/cushion (30), and a front flange (66) adapted to retainably engage with the at least one undercut (50.2) of the elbow (50).
Description
Technical field
The present invention relates to a kind of mask system that is used for the positive airway pressure of sleep-respiratory imbalance.Particularly, the present invention relates to a kind of mask system cheaply.
Background technology
Obstacle sleep apnea (OSA) is that a kind of airway that is characterized as blocks repeatedly and often causes oxygen to subtract the full situation of closing and waking up from sleep.Typically performance in the daytime is that extremely sleepy is felt, but generally report has other symptom, for example sleep of non-recovery, inadequately be absorbed in and tired (the breathing imbalance-AASM workshop relevant among the adult with sleep,
Sleep22,1999).
At United States Patent (USP) 4,944, the Sullivan instruction adopts nose persistence Positive Airway Pressure (CPAP) to treat OSA in 310.At United States Patent (USP) 5,704, instructed other progress in 345,6,029,665 and 6,363,933.
Nose CPAP system generally includes flow generator, air line and patient interface (for example, nose cup).Flow generator provides a certain amount of positive pressure air.
Known various mask system is used for the treatment of sleep-respiratory imbalance (SDB), for example BUBBLE face shield, MIRAGE , ULTRA MIRAGE and MIRAGE VISTA
TMFace shield, these face shields are made by Leiximadd Co., Ltd (ResMed Limited).
Another kind of known face shield is the Weinmann nose cup.
Mask system generally includes headband and mask device.Headband is used for face shield being kept and being positioned at patient on the face.Mask device comprises at least that generally duricrust and softish face are contact pad designed.Some mask devices also comprise ancon bend pipe (elbows), air vent (vents), headband folder and forehead rest.
Many liners have been awarded patent, for example referring to United States Patent (USP) 6,112, and 746,6,357,441 and 6,513,526.Granted patent has the forehead rest (referring to United States Patent (USP) 6,119,693 equally; 6,463,931; 6,520,182; 6,532,961), headband adapter (United States Patent (USP) 6,374,826), face shield mouth (United States Patent (USP) 6,439,230) and padded splint (United States Patent (USP) 6,412,487).The content of all these patents is incorporated herein by reference hereby.
Another kind of known mask device is the PAPILLION that is made by German MAP
TMFace shield, Austrian appearance design registration #50770 and #50771 (with U.S. design patent D484,237 and Australian appearance design application for registration 2153/2002).
Because patient is the mask system that must put on the imbalance of treatment sleep-respiratory in bed every night several hours, so the designer strives making it comfortable.Particularly, they make great efforts to attempt to eliminate the origin of mask system as patient's decubital ulcer on the face.
The problem that may occur in the mask system of prior art is, may have the drag from pipeline, when this drag transmits by the ancon bend pipe, can destroy cushion and facial sealing.
At US 6,039, searched out a kind of solution of this problem in 044.An aspect of of the present present invention provides the another kind of at least method that addresses this problem.
The difficult problem of some prior art mask devices is, those reach clinically effectively sealing and be in the every night mask device of comfortable wearing of patient simultaneously, possible manufacturing cost costliness.Headband may be the pith of mask system manufacturing cost.Manufacturing cost is married again on one's body the user, and this causes the expensive mask device for patient.This may mean again that fewer patient can afford to bear treatment.This may mean also that clinic and hospital reuse the trend of face shield between numerous patients.Unless whole health care system is suitably handled cross infection, do not advise reusing face shield by different patients.Usually, particularly for example hospital of SARS of respiratory tract disease is appearring, wish to have enough cheaply in case with after be discardable mask system.
Another aspect of the present invention provides a kind of mask device cheaply for the treatment of the sleep-respiratory imbalance.
The present invention is discardable mask device after also on the one hand providing a kind of usefulness for the treatment of the sleep-respiratory imbalance.
Summary of the invention
In entire chapter description of the present invention and claim, the combination of shell and cushion will be called " shell/liner " hereinafter.Doing like this is for convenience, occurs expressing " shell/liner ", the shell that is interpreted as making up and the meaning of cushion anyplace.
According to a first aspect of the invention, provide a kind of comfortable mask system cheaply, it comprises shell/liner, framework, ancon bend pipe and the clasp of headband, combination.
According to a further aspect in the invention, provide a kind of headband cheaply.
According to another aspect of the invention, provide a kind of and can reduce the facial comfortable shell/liner that produces the trend of pressure spot patient.
In one embodiment, the mask system of treatment sleep-respiratory imbalance comprises headband, comprises the clasp that comprises the ancon bend pipe of at least one undercut portions on the shell/liner of the passage in the preceding hole of adjacency, framework, the near-end and comprise back flange and front flange, described back flange is suitable for and can be inserted in the passage of shell/liner with keeping, and front flange is suitable for can meshing with this at least one undercut portions of ancon bend pipe with keeping.
Passage in abutting connection with shell/liner can be provided with thin wall component, and this thin wall component is suitable for tearing when dismounting ancon bend pipe.
The structure of ancon bend pipe can help to prevent that hole and clasp break away between the normal operating period.
When the ancon bend pipe separated with face shield, the ancon bend pipe can have columniform outlet.
Shell/liner can comprise annular lip, when annular lip and ancon bend pipe or the assembling of described brace, and the edge engagement of this annular lip and described outlet, thus suit to make this outlet and described flange driving fit.
In another embodiment, the mask system of treatment sleep-respiratory imbalance comprises headband, framework and shell/liner, this shell/liner comprises the passage that holds framework that is formed by front flange and back flange, this front flange is around the periphery of the shell/liner of extension 75%～100%, and its middle frame is suitable in the passage that holds framework of removable insertion shell/liner.
This mask system can comprise the bridge of the nose district of the shell/liner that is suitable for contacting patient's bridge of the nose district at least.It is thick that the back flange in this bridge of the nose district can be 1mm～3mm.It is thick that back flange can be about 2mm.
In another embodiment, be provided for connecting the connector of face shield and pipeline, this pipeline can be delivered to air-flow described face shield.Connector include an inlet and an outlet and between them the conduit wall of delivery air, connector contiguous exit between outlet and inlet comprises the ventilation hole wall (vent wall) that extends out from conduit wall, this ventilation hole wall comprises the hole that at least one passes.
Connector can integrally be made with face shield.Perhaps, connector can separate with face shield to be made, then can in conjunction with or append on the face shield.
Connector can integrally be made with pipeline.Perhaps, connector can separate with pipeline to be made, then can in conjunction with or append on the pipeline.
Can make connector like this, make outlet and enter the mouth into any suitable angle.Described outlet preferably with the angle that enters the mouth into 90 °～180 °.Connector can be 90 ° an ancon bend pipe.
Connector can comprise connector is connected to syndeton on the face shield.Syndeton can comprise that at least one buckle-type undercut portions engages the collocation thing.
Syndeton removably is connected to connector on the face shield.
Syndeton can comprise moveable part, and described buckle-type undercut portions forms on moveable part, and moveable part allows described undercut portions to break away from flange.
Syndeton can allow described connector to rotate with respect to described face shield.
Connector can comprise Lv Ai (Luer) mouthful that passes conduit wall, and it can be in the side and/or the front of described connector.
The ventilation hole wall can with the air-flow bevel.Angle is preferably 25 °～155 °.
Connector can comprise groove on its outer surface, and this groove has the wall part that extends out from the outer surface of described ventilation hole wall.Wall part can be along telling away from the direction of ventilation hole wall.
In another embodiment, the mask system of treatment sleep-respiratory imbalance comprises: the shell/liner with interior and outer surface; Flange extends out and around shell/liner from outer surface; Face shield has exo-skeletal frame, the shape of this exo-skeletal frame basically with the profile phase of flange coupling, thereby but framework adjacent flanges setting when the shape of shell/liner is suitable for patient and uses; And described flange remained on structure on the framework.
The structure that flange is remained on the framework can comprise one or more holes of passing flange.
Rivet or other fixture can pass described hole, so that flange keeps pressing close to framework.
Framework can be connected on the headband, thereby face shield is positioned on patient's the head.
Framework can comprise the connecting elements that is connected on the framework, and this connecting elements cooperates with framework flange is clipped between described connecting elements and the framework.Connecting elements can perhaps be connected on the framework by flexible member with being hinged on the framework.
Can be provided with shape basically with second framework of the profile phase of flange coupling, thereby described flange is clipped between first framework and second framework.
Second framework, flange and first annular construction member can be fixed together by rivet and/or fixture etc.
Second framework can comprise the rivet by the passed flange of its extension and first framework.Perhaps, first framework can comprise by the passed flange of its extension and the rivet of second framework.The another kind of selection is that flange comprises first group of rivet that forwards extends and the second group of rivet that rearward extends, and first group of rivet hammers in the hole of passing first framework, and second group of rivet hammers in the hole of passing second framework.
Rivet can be out of shape at its free end, and perhaps their holes of penetrating can be out of shape.
Rivet can comprise undercut portions, thereby so that undercut portions can be passed the hole member is fixed together.
Another embodiment of the present invention provides a kind of headband and mask system of face shield as mentioned above of comprising.This mask system can comprise aforesaid connector.
To narrate these different schemes below in the detailed description of the preferred embodiments, perhaps these different schemes are obvious from following detailed description of the preferred embodiments.
Description of drawings
Now will be only by embodiment, embodiment of the present invention are described with reference to the drawings, wherein:
Fig. 1 has shown the perspective view of mask system according to embodiments of the present invention;
Fig. 2 has shown the front perspective view that is similar to employed mask device in Fig. 1 system, but it has different shell/liners;
Fig. 2 A has shown the front view of the mask device of Fig. 2;
Fig. 3 has shown the side view of Fig. 2 mask device;
Fig. 4 has shown the rearview of Fig. 2 mask device;
Fig. 5 has shown the bottom view of Fig. 2 mask device;
Fig. 6 has shown the top view of Fig. 2 mask device;
Fig. 7 has shown the exploded view of Fig. 2 mask device;
Fig. 8 has shown the cross section of Fig. 2 mask device;
Fig. 9 has shown another cross section above the side view of being superimposed upon of Fig. 2 mask device;
Figure 10 has shown the front perspective view of another mask device of the identical housings/liner with Fig. 2 use, and it has different frameworks;
Figure 11 has shown the exploded view of another mask device of close patient's face, and this mask device has the employed framework of the Figure 10 of being similar to, but has the Fig. 1 of being similar to and 7 employed shell/liners;
Figure 12 shown comprise with after be the mask device side view in use of Figure 11 of discardable headband;
Figure 13 has illustrated the front view as employed three point frames in Fig. 2 mask device;
Figure 14 has illustrated the cross section of the framework of Figure 13 through the XIV-XIV line;
Figure 15 has illustrated the right view of Figure 13 framework;
Figure 16 has illustrated the vertical view of Figure 13 framework;
Figure 17 has illustrated the bottom view of Figure 13 framework;
Figure 18 has illustrated the cross section that shows the details Z of Figure 14;
Figure 19 has illustrated the left hand side perspective view of Figure 13 framework;
Figure 20 has illustrated the right hand side perspective view of Figure 13 framework;
Figure 21 has illustrated the front view as employed five point frames in Figure 10 and 11 mask devices;
Figure 22 has illustrated the cross section of the framework of Figure 21 through the XXIII-XXIII line;
Figure 23 has illustrated the left side view of Figure 21 framework;
Figure 24 has illustrated the bottom view of Figure 21 framework;
Figure 25 has illustrated the plane graph of Figure 21 framework;
Figure 26 has illustrated the front view of clasp;
Figure 27 has illustrated the cross section of the clasp of Figure 26 through the XXVII-XXVII line;
Figure 28 has illustrated the side view of the clasp of Figure 26;
Figure 29 has illustrated the perspective view of the clasp of Figure 26;
Figure 30 has illustrated the front view of connector or ancon bend pipe;
Figure 31 has illustrated the right side view of the ancon bend pipe of Figure 30;
Figure 32 has illustrated the cross section of the ancon bend pipe of Figure 30 through the XXXII-XXXII line;
Figure 33 has illustrated the cross section of the ancon bend pipe of Figure 30 through the XXXIII-XXXIII line;
Figure 34 has illustrated the plane graph of the ancon bend pipe of Figure 30;
Figure 35 A has illustrated the below backside perspective view of the ancon bend pipe of Figure 30;
Figure 35 B has illustrated the top front-side perspective view of the ancon bend pipe of Figure 30;
Figure 36 has illustrated the thin X of portion of the cross section of Figure 33;
Figure 37 has illustrated the thin Z of portion of the cross section of Figure 32;
Figure 38 has illustrated the front view of disposable connector or ancon bend pipe;
Figure 39 has illustrated the left side view of the ancon bend pipe of Figure 38;
Figure 40 has illustrated the cross section of the ancon bend pipe of Figure 38 through the XL-XL line;
Figure 41 has illustrated the plane graph of the ancon bend pipe of Figure 38;
Figure 42 has illustrated the cross section of the ancon bend pipe of Figure 38 through the XLII-XLII line;
Figure 43 has illustrated the below backside perspective view of the ancon bend pipe of Figure 38;
Figure 44 has illustrated the top front-side perspective view of the ancon bend pipe of Figure 38;
Figure 45 has illustrated the thin Z of portion of the cross section of Figure 40;
Figure 46 has illustrated the thin X of portion of the cross section of Figure 42;
Figure 47 illustrated have 4 or at interval around the passage of periphery to be connected to the front view of the shell/liner on the framework;
Figure 48 has illustrated the right side view of shell/liner of Figure 47;
Figure 49 has illustrated the cross section of shell/liner of Figure 47 through the XLIX-XLIX line;
Figure 50 has illustrated the plane graph of shell/liner of Figure 47;
Figure 51 has illustrated the cross section of shell/liner of Figure 47 through the LI-LI line;
Figure 52 has illustrated the thin Z of portion of the cross section of Figure 49;
Figure 53 has illustrated the cross section of shell/liner of Figure 48 through the LIII-LIII line;
Figure 54 has illustrated the below rear view of shell/liner of Figure 47;
Figure 55 has illustrated the top front perspective view of shell/liner of Figure 47;
Figure 56 illustrated have around the continuous passage of periphery with the front view of shell/liner of being connected to framework;
Figure 57 has illustrated the right side view of shell/liner of Figure 56;
Figure 58 has illustrated the cross section of shell/liner of Figure 56 through the LVIII-LVIII line;
Figure 59 has illustrated the plane graph of shell/liner of Figure 56;
Figure 60 has illustrated the bottom view of shell/liner of Figure 56;
Figure 61 has illustrated the cross section of shell/liner of Figure 57 through the LXI-LXI line;
Figure 62 has illustrated the side view of mask device of the ancon bend pipe of the framework of shell/liner, Figure 13～20 of Figure 56～61 and Figure 30～37;
Figure 63 has illustrated the cross section of the mask device of Figure 62 through the LXIII-LXIII line;
Figure 64 has illustrated the cross section of the mask device of Figure 62 through the LXIV-LXIV line;
Figure 65 has illustrated the cross section of the mask device of Figure 62 through the LXV-LXV line;
Figure 66 has illustrated the cross section of the mask device of Figure 62 through the LXVI-LXVI line;
Figure 67 has shown according to the headband that after the usefulness of the present invention is discardable embodiment;
Figure 68 A has shown the shell/liner that has corrugated tube part, illustrates to have eliminated influencing each other of the moment of torsion that transmits between ancon bend pipe and the liner;
Figure 68 B has shown shell/liner of Figure 68 A, and corrugated tube is partly brought into play the effect of eliminating moment of torsion;
Figure 69 has illustrated the front view of framework;
Figure 70 has illustrated the right side view of the framework of Figure 69;
Figure 71 has illustrated the cross section of the framework of Figure 69 through the LXXI-LXXI line;
Figure 72 has illustrated the cross section of the framework of Figure 69 through the LXXII-LXXII line;
Figure 73 has illustrated the cross section of the framework of Figure 69 through the LXXIII-LXXIII line;
Figure 74 has illustrated the rearview of the framework of Figure 69;
Figure 75 understands the part from the cross section of Figure 71 in detail;
Figure 76 understands the part from the cross section of Figure 72 in detail;
Figure 77 has illustrated the right side perspective view of the framework of Figure 69;
Figure 78 has illustrated the left side perspective view of the framework of Figure 69;
Figure 79 has illustrated the front view of the clip that the framework with Figure 69 uses;
Figure 80 has illustrated the right side view of the framework of Figure 79;
Figure 81 has illustrated the cross section of the framework of Figure 79 through the LXXXI-LXXXI line;
Figure 82 has illustrated the cross section of the framework of Figure 79 through the LXXXII-LXXXII line;
Figure 83 has illustrated the cross section of the framework of Figure 79 through the LXXXIII-LXXXIII line;
Figure 84 has illustrated the rearview of the framework of Figure 79;
Figure 85 understands the part from the cross section of Figure 82 in detail;
Figure 86 understands the part from the cross section of Figure 83 in detail;
Figure 87 has illustrated the right side perspective view of the framework of Figure 79;
Figure 88 has illustrated the left side perspective view of the framework of Figure 79;
Figure 89 has illustrated according to the present invention the front view of the ancon bend pipe of another embodiment;
Figure 90 has illustrated the cross section of the ancon bend pipe of Figure 89 through the XC-XC line;
Figure 91 has illustrated the cross section of the ancon bend pipe of Figure 89 through the XCI-XCI line;
Figure 92 has illustrated the plane graph of the ancon bend pipe of Figure 89;
Figure 93 has illustrated the cross section of the ancon bend pipe of Figure 89 through the XCIII-XCIII line;
Figure 94 understands the part of the cross section of Figure 93 in detail;
Figure 95 understands the part of the cross section of Figure 90 in detail;
Figure 96 understands the part of the cross section of Figure 91 in detail;
Figure 97 has illustrated the below rear view of the ancon bend pipe of Figure 89;
Figure 98 has illustrated the top front perspective view of the ancon bend pipe of Figure 89;
Figure 99 has illustrated the front view of another ancon bend pipe;
Figure 100 has illustrated the cross section of the ancon bend pipe of Figure 99 through the C-C line;
Figure 101 has illustrated the cross section of the ancon bend pipe of Figure 99 through the CI-CI line;
Figure 102 has illustrated the cross section of the ancon bend pipe of Figure 99 through the CII-CII line;
Figure 103 has illustrated the cross section of the ancon bend pipe of Figure 99 through the CIII-CIII line;
Figure 104 understands the part of the cross section of Figure 103 in detail;
Figure 105 understands the part of the cross section of Figure 100 in detail;
Figure 106 understands the part of the cross section of Figure 101 in detail;
Figure 107 has illustrated the below rear view of the ancon bend pipe of Figure 99;
Figure 108 has illustrated the top front perspective view of the ancon bend pipe of Figure 99;
Figure 109 has illustrated the front view of another shell/liner;
Figure 110 has illustrated the cross section of shell/liner of Figure 109 through the CX-CX line;
Figure 111 has illustrated the cross section of shell/liner of Figure 109 through the CXI-CXI line;
Figure 112 has illustrated the right side view of shell/liner of Figure 109;
Figure 113 has illustrated the plane graph of shell/liner of Figure 109;
Figure 114 understands the part of the cross section of Figure 111 in detail;
Figure 114 A understands the part of shell/liner in bridge of the nose district in detail;
Figure 115 understands the part of the cross section of Figure 110 in detail;
Figure 116 has illustrated the top front perspective view of shell/liner of Figure 109;
Figure 117 has illustrated the below rear view of shell/liner of Figure 109;
Figure 118 has illustrated the front view of the another kind of clasp that the shell/liner with Figure 109 uses;
Figure 119 has illustrated the side view of the ring of Figure 118;
Figure 120 has illustrated the diameter cross of the ring that passes Figure 118;
Figure 121 has illustrated the perspective view of the ring of Figure 118;
Figure 122 has illustrated the decomposition diagram of mask device of shell/liner component of the ancon bend pipe of clip, Figure 99 of the framework that comprises Figure 69, Figure 79 and Figure 109;
Figure 123 has illustrated that some parts under the situation that all parts assemblings finish are shown as the mask device of Figure 122 of cross section;
Figure 124 has illustrated the rivet that passes Figure 122 of the bottom that is positioned at mask device, the hole of shell/liner and the detailed cross section in front baffle hole;
Figure 125 has illustrated the cross section of the clasp of the mask device that passes Figure 122 and 123, and the left side has shown a kind of configuration that makes shell/liner and the driving fit of ancon bend pipe, and right-hand part has shown the another kind of configuration that makes shell/liner and the driving fit of ancon bend pipe; And
Figure 126 has illustrated the side view as the illustrated framework in Figure 69～78, wherein two rivet system formation integrated with it.
The specific embodiment
§ 1 preface
Various forms of embodiment of the present invention provide the parts that have seldom and, for example, have the comfortable low-cost mask system of single wall liner.It does not comprise the forehead rest, does not comprise that headband presss from both sides yet in preferred type, but is readily appreciated that, then can comprise these parts if desired.
Embodiment of the present invention comprise the mask system that patient interface is provided, described patient interface has multiple interchangeable subassembly, transmits the part of the equipment of a certain amount of positive pressure air in the airway of this interchangeable subassembly as the patient who lacks of proper care to the treatment sleep-respiratory.Mask system comprises headband and mask device (referring to Fig. 1).
The contrast accompanying drawing is described polytype mask system:
Class1: what described as Fig. 1 and 7 is reusable mask system, and it has in order to clean dismountable parts, has shell/liner that 3 monolithic frameworks (three point single piece frame) and band hold the continuous passage of framework;
Type 2: what described as Fig. 2～6,8 and 9 is reusable mask system, and it has in order to clean dismountable parts, has shell/liner that 3 monolithic frameworks and band hold four isolating passages of framework;
Type 3: as Figure 10 described be once use or with after be discardable device, it has in order to clean dismountable parts, has 5 monolithic frameworks;
Type 4: as what Figure 11 described is reusable device, and it has in order to clean dismountable parts, has 5 monolithic frameworks;
Type 5: itself is not shown, be once use or with after be discardable device, it has 3 two frameworks;
Type 6: itself is not shown, is reusable device, and it has in order to clean dismountable parts, has 3 two frameworks;
Type 7: be once use or with after be discardable device, for example, in type 3 or 5, have ancon bend pipe or the connector of being described as Figure 99～108;
Type 8: be reusable device, for example, in Class1,3 or 5, have ancon bend pipe or the connector of being described as Figure 89～98; And
Type 9: itself is not shown, is aforementioned eight types of any reusable or nonrecoverable devices, and it has shell/liner of describing as Figure 68.
Embodiment of the present invention also comprise four types face shield is connected to ancon bend pipe or connector on the pipeline, thereby connector makes face shield complete:
Type A: be the reusable removable ancon bend pipe of being described as Figure 30～37;
Type B: be nonrecoverable ancon bend pipe, in a single day it be installed on the face shield and just can not disassemble, shown in Figure 38～46;
Type C: be the reusable removable ancon bend pipe of being described as Figure 89～98; And
Type D: be nonrecoverable ancon bend pipe, in a single day it be installed on the face shield and just can not disassemble, shown in Figure 99～108.
Embodiment of the present invention also comprise five types framework, and it is connected with headband with shell/liner, thereby mask device is positioned on one's body the patient:
Type (i): open ended monolithic three point frames in the passage of the shell/liner shown in Figure 13～20;
Type is (ii): open ended monolithic five point frames in the passage of the shell/liner shown in Figure 21～25;
Type is (iii): two three point frames shown in Figure 69～88, and they clamp the flange on shell/liner, thereby provide outer skeleton supporting structure for shell/liner;
Type is (iv): not shown, and be two five point frames, they clamp the flange on shell/liner, thereby provide outer skeleton supporting structure for shell/liner.This class types is similar to the type shown in Figure 69～88 (iii); And
(v): not shown, its middle frame is on flange monolithic and that be riveted on shell/liner to type.
Embodiment of the present invention also comprise shell/liner of eight types:
Type i: be the reusable shell/liner shown in Fig. 1,7 and 56～66, this shell/liner has the single continuous passage that holds framework;
Type II: be the nonrecoverable shell/liner shown in Fig. 1,7 and 56～66, this shell/liner has the single continuous passage that holds framework;
Type-iii: be the reusable shell/liner shown in Fig. 2～6 and 47～55, this shell/liner has a plurality of dispersion passages that hold framework;
Type i V: be the nonrecoverable shell/liner shown in Fig. 2～6 and 47～55, this shell/liner has a plurality of dispersion passages that hold framework;
Type V: be the shell/liner shown in Figure 109～117, surrounding periphery provides flange, and is used for reusing;
Type VI: be the shell/liner shown in Figure 109～117, surrounding periphery provides flange, and is used for once using;
Type VII: not shown, but be similar to the shell/liner of Figure 109～117, just such shell/liner has the shell of a plurality of dispersive flanges or wound hole, is used for reusing; And
Type VIII: not shown, but be similar to the shell/liner of Figure 109～117, just such shell/liner has the shell of a plurality of dispersive flanges or wound hole, is used for application target one time.
As shown in Figure 1, mask system 1 generally includes mask device 10, framework 40, connector or ancon bend pipe 50 and the clasp 60 (it be cannot see, but is visible) with shell/liner 30 in Fig. 7 in Fig. 1.Be readily appreciated that the combination of the aforesaid all kinds of basic elements of character will produce numerous mask system configuration configurations.
§ 2 headbands
Table 1 illustrates tape 20.1,20.2 and 20.3 typical sizes separately.
Table 1
| Drawing reference numeral | Tape length (mm) | Quantity |
| 20.1 | 500～700 | 1 |
| 20.2 | 350～500 | 1 |
| 20.3 | 150～250 | 1 |
(3～5mm) along in the middle of the whole piece tape is arranged in buttonhole, the about 3.5～6.5mm in interval between two buttonhole.Tape 20.1,20.2 and 20.3 20mm that respectively comforts oneself is made of biocompatible 70% polyester of white and 30% nonrubber elastomer braiding.The elasticity of preferred material is every meter (Nm of 49 ± 20 newton
-1).Above-mentioned size and material only are exemplary.
Common headband can be the prime cost in the production of mask system.Therefore, by producing headband 20, can bring the remarkable reduction of the whole cost of headband and mask system by this special lower cost materials.
Figure 67 has shown the plane graph of headband 20, and Figure 12 has shown the headband 20 that uses on head model.
§ 3 shells/liner
Fig. 1,7,11 and 56～66 illustrated be shell/liner 30.Shell/liner 30 has formed the cavity 30.1 that holds nose, and forms sealing with patient's face.Shell/liner 30 has nose metapore 30.2 that passes and the preceding hole 30.3 that is connected with connector or ancon bend pipe 50 of patient when using.In a preferred form, shell/liner 30 is solid walls, and still, it can have bilayer or multilamellar wall in other form, is similar to United States Patent (USP) 6,112, and the face shield that 746 (being hereby incorporated by) are instructed, known trade mark are MIRAGE .Shell/liner 30 has the hermetically-sealed construction 30.5 and the supporting structure 30.4 of fixed cross section basically.It can be by any suitable material, and for example silicones or thermoplastic elastomer (TPE) are molded forms.
Hermetically-sealed construction 30.5 has the facial contact side 30.51 that is suitable for forming sealing on patient's face.Facial contact side 30.51 comprises bridge of the nose district 30.6, other district 30.7 and lip district 30.8.As can be seen from the figure, lip district 30.8 has a string four passages 30.9 that pass the there.Facial contact side 30.51 is the facial contact side of the known mask of MIRAGE (being made by Leiximadd Co., Ltd) being similar to known mask or the trade mark that trade mark is PAPILLION (being made by MAP GmbH) in shape.
The size that multiple shell/liner 30 can be provided is to be suitable for the nose of different sizes.For example, in one form, shell/liner 30 can have simple bridge of the nose district 30.6.
Shell/liner 30 comprises the passage that holds framework 140 that is limited by front flange 34 and back flange 36.Fig. 7, shell/liner 30 of 8 and 56～61 have the front flange 34 of the passage 140 that holds framework, and the passage 140 that holds framework is as continuous or unbroken passage, and front flange 34 extends 100% path around the periphery of shell/liner 30.
As in Figure 56, can seeing, back flange 36 broad slightly in lip district 30.8 and other district 30.7.In these wide portions in two other districts 30.7 is the groove 30.75 that prolongs, and this groove 30.75 provides the additional structure of engagement and fixed frame 40 or 140, will describe in detail below.
In Fig. 2～6,8,9,10 and 47～55 illustrated be another kind of shell/liner 130.This shell/liner 130 is similar to shell/liner 30, and similarly parts have similar label.Shell/liner 130 is different from shell/liner 30 parts and is, do not provide continuous or complete all the time passage 140 around shell/liner, disperse passage 140.1,140.2 and 140.3 and provide, four spaced points of collaborative four-way 140.4 (referring to Figure 48) formation hold 4 points on the framework 40.Each disperses passage 140.1,140.2,140.3 and 140.4 to form between the front flange 34 of continuous back flange 36 and interruption.Back flange 36 around the periphery of shell/liner 130 always around shell/liner 130, thereby but provide the flange of framework 40 or 140 backups.Flange 36 thicker than in the bridge of the nose district 30.6 so that prevent to form " blade " in bridge of the nose district 30.6, but provides the structure of two following endvertexs of formation shell/liner 30 after the other district 30.7 of bottom and the part in the lip district 30.8.
Shell/liner 130 comprises a series of passages or blow vent 30.9, comprises four blow vents in preferred mode.Blow vent 30.9 passes and 30 integrally formed the forming than thick wall part 30.10 of shell/liner.Wall part 30.10 is shown among Fig. 3.Wall part 30.10 has two effects.The firstth, form front flange, the passage 140.4 below the back flange 36 in this front flange and the lip district 30.8 forms.Second effect is that wall part 30.10 makes blow vent 30.9 and the angled layout of ancon bend pipe.But, passage 30.9 can constitute at a more flat angle (flatter angle), for example become 10 °～15 ° (with respect to directions shown in Figure 3), put on mask system 1 and when lying down, blow vent 30.9 will become roughly 10 °～15 ° layouts with horizontal plane usually with convenient patient with vertical direction.
Shown in Fig. 4,8,9,48,49,56 and 57, the back flange 36 of passage 140 that holds framework is in different area thickness differences.This feature is that shell/liner 30 and 130 is common, but for convenience's sake, only is described with regard to shell/liner 30 in the paragraph in front.The back flange 36 in bridge of the nose district 30.6 is thinner than district 30.7 and lip district 30.8 by the downside.The thickness of the back flange 36 in bridge of the nose district 30.6 is preferably 2mm between 1 to 3mm, and in other district 30.7 of downside and lip district 30.8 can be thick for 5mm.This hermetically-sealed construction 30.5 for bridge of the nose district 30.6 mesochites/liner 30 provides sufficient support, produces " blade " that makes patient's discomfort but be unlikely.Hermetically-sealed construction 30.5 as shell/liner 30 subsides, and has used the harder or thicker part of shell/liner 30 in bridge of the nose district 30.6, then may form " blade ".Not wishing has " blade ", and this is because it can be in patient's generation decubital ulcer on the face under the situation of life-time service.Figure 63 and 64 shows from the cross section of the thicker back ledge zone 36 of having of Figure 62, and the similar back flange section 36 in Figure 65 and 66 shows to have thin back ledge zone.
Therefore, can find out that shell/liner can have the passage of dispersion or continuous passage from shell/liner 30 and 130.When their length addition, this passage or a plurality of passage can be 75%～100% of shell/liner periphery under the situation of shell/liner 30; Under the situation of the shell/liner 130 of framework 40, this passage or a plurality of passage can be 20%～40% of shell/liner periphery.The advantage of extending the front flange in 75%～100% path around periphery is that it hardly may be owing to carelessness is removed.From Figure 56 and 47 as can be seen, shell/ liner 30 and 130 has the wider portion of the back flange 36 that extends on the summit (apexes) below two, thereby occupies about 60% shell/ liner 30 and 130 periphery.In order to realize desirable structure function and adaptability in bridge of the nose district, it is the shell/liner 30 at center and 130 about 40%～80% periphery that this broad flange can account for the lower region thereof.
Figure 52 is illustrated in the zone 30.31 of the shell/liner 130 in the cross section.Zone 30.31 is be connected to preceding hole 30.3 that part of, and it will hold clasp 60.Zone 30.31 has the passage 524 of the back flange that holds clasp 60.The patient end in this hole has relative thin and softish annular slice thing 526, and it can reduce the internal diameter in hole 30.3.The purpose of tablet 526 provides the sealing with section connecting element or ancon bend pipe 50, and this will be below narrates in the combination of chapters and sections § 7 parts.
Perhaps, will reuse as shell/liner 130, then zone 522 has thicker size, and thicker size can prevent to tear zone 522 when demolition.Shell/liner 30 will possess reusable characteristic, and the cross section than the zone 522 of the thicker size of shell/liner 130 of having of similar Figure 52 then will be arranged.
Shown in Figure 68 is the sketch map of improved shell/liner 230.In this shell/liner 230, pack into the hole 30.3 at shell/liner 230 places of contiguous connector or ancon bend pipe 50 provides little corrugated tube part 230.1 (perhaps as selecting to provide flexible cervical region).This corrugated tube part 230.1 provides the compliant member that moves that allows between connector or ancon bend pipe 50 and the shell/liner 230.By this motility is provided, any moment of torsion that transmits between ancon bend pipe and the shell/liner can break away from and influences each other.
Be another kind of shell/liner 330 shown in Figure 109～117,122 and 123, it is similar to above-mentioned shell/ liner 30 and 130, and similarly parts are marked with similar number.Shell/liner 330 is different from shell/ liner 30 and 130 parts are, the passage 140 or a series of dispersion passage 140.1,140.2,140.3 and 140.4 that do not provide surrounding periphery to hold framework 40, and provide successive peripheral tabs or flange 330.1.Flange 330.1 has and the identical shape of two frameworks clamping flange 330.1 (referring to following explanation about Figure 69～88).
Flange 330.1 comprises 7 perforation 330.2 and 330.3.The diameter in four holes 330.2 is about 5.75mm, and the diameter in three holes 330.3 is about 3mm.The rivet that hole 330.2 and 330.3 holds on a slice that is formed on two frameworks passes, and this will illustrate below.Since the rivet that passes hole 330.2 have the band barb bigger than shank diameter the time, the diameter in hole 330.2 is bigger to hold this large diameter barb.
When Figure 109～117 shows continuous flange 330.1 around shell/liner 330 peripheries,, then expect satisfied result equally if will provide a series of seven to disperse flanges or shell around hole 330.2 and 330.3.This will bring about seven the folder points of the framework of clamping these flanges or when contact with shell/liner, these seven somes expectations are enough to keep the shape of shell/liner in use.
From Figure 114 as can be seen, provide the surface of the shell/liner 330 that seals with patient's face, have the sand blasted surface finishing.Such sandblasted finish will bring patient more comfort.The cross section of Figure 114 is that the zone line that passes shell/liner 330 cuts.Can find out that in Figure 114 in by wall 330.11 specified zones, in flange 330.1 back, it is thick relatively that the thickness of wall 330.11 keeps, edge direction backward is tapered then.In contrast, as shown in Figure 114 A, in bridge of the nose district 30.6, this cross section difference, thus wall 330.11 (for more shown in broken lines) attenuation becomes the wall 330.12 of relative thin and constant basically cross section wall part.The minimizing of this wall thickness helps in bridge of the nose district 30.6, reduces the chance that forms " blade " in bridge of the nose district 30.6 when patient uses.
Shown in Figure 109,110,112 and 113, shown in shell/liner 330 have and produce fin or demoulding fin 330.13.Demoulding fin 330.13 makes robot ingot stripper safety and catches shell/liner 330 securely, and needn't catch any other parts of shell/liner 330.In may the process by any excess stock that molding process produced by robot cutting, this may reduce the probability of any other parts damages of shell/liner 330.
Shell/liner 330 is in particular the disposable use of hospital.Can find out that from Figure 115 shell/liner 330 has thin-walled portion, the about 0.33～0.75mm of thickness.As mentioned above, provide weak line here,, will cause shell/liner 330 is torn if make and to attempt to pull down clasp 60 from groove 524.Clean the possibility of shell/liner 330 before this tendency of tearing has limited and re-used, therefore prevent to reuse.
When keeping institute's materials used optimum level, for some additional rigidity are provided, a series of four ribs 330.4 that radially extend are provided on shell/liner 330, and ribs 330.4 extends out from the common circular reinforcing ring 330.6 in circle zone 30.31 and hole 30.3.Ribs 330.4 and 330.6 integrated formation in shell/liner 330, but thicker than regional 330.5 materials.When zone 330.5 thickness was about 1～1.5mm, ribs 330.4 and 330.6 thickness were about 2～3mm.This arrangement helps to provide better aesthetic quality, and needed stronger structural support also is provided simultaneously, but provides more sensation of softness at the sealing position.
§ 4 frameworks
Shown in Fig. 1～9 and 12～18, with framework 40 molding and be suitable for being installed on shell/ liner 30 and 130, and provide and have 40.1,40.2 and 40.3 the anchor point 132 with holes that is used for headband 20.Framework 40 provides three anchor points 132, and is shown in greater detail in Figure 13～20.
Each anchor point 132 is made of the framing component 132.2 of wound hole 40.1,40.2 or 40.3.Hole 40.1,40.2 or 40.3 allows the end of tape 20.1 and 20.2 to pass therefrom.
Mid portion at framing component 132.2 is a round end bolt 132.1, and this bolt can pass tape 20.1 and 20.2 buttonhole 20.4 on the end separately.In another embodiment, bolt can replace with other fixed method, for example hook.
If desired, user does not need to pass from hole 40.1,40.2 or 40.3, directly link on the round end bolt 132.1 and change into, but in use, if the end of tape 20.1 and 20.2 passes hole 40.1,40.2 or 40.3 separately, then the probability of throwing off unintentionally is very little, and this is because all of tape 20.1 and 20.2 ends move, and all will can not tend to buttonhole 20.4 is pulled out round end bolt 132.1.
Figure 18 illustrates the detailed view of the round end bolt 132.1 of the anchor point 132 in Figure 14 cross section.In use, the suitable buttonhole 20.4 on the patient selection headband 20 is passed it hole 40.1,40.2 or 40.3 then, is buckled on the round end bolt 132.1 of framework 40, is set at suitable length with the tape with headband.
Near the anchor point 132 below two, near the bottom of framework 40, framework 40 has rearwardly projecting rib 40.7.The size and dimension of rib 40.7 is decided to be, and it can be contained in the groove 30.75 that extends on shell/ liner 30 and 130.
Shown in Figure 14 and 15, framework 40 has the sawtooth (indent) 40.4 that also extends out from patient's face.This sawtooth 40.4 helps partly to provide the space for the bridge of the nose of shell/ liner 30 and 130, and does not produce pressure spot on patient's the bridge of the nose.
As Figure 10,11 and Figure 21～25 shown in be the another kind of framework 140 that is similar to the framework 40 of Figure 14 and 15, similarly parts have been marked with similar number.The framework 140 that is not both between framework 40 and the framework 140 provides maximum 5 anchor points 132.
Therefore framework 140 can use together with above-mentioned headband 20 with end of three tapes 20.1 and 20.2, and perhaps it can use with (the not graphic extension) of improvement shape, headband with five tapes.
As selectable (not graphic extension), framework 140 also can have four anchor points 132, and uses with improving headband shape, that have four tapes (not graphic extension).
Preferably, can respectively will from hole 40.2, pass, thereby the straight side features of three sides will interact with round end bolt 132.1 separately, securely the tape end is fixed on the there with three tapes that top anchor point 132 uses.
Shown in Figure 69～78 be and first 240 of framework that Figure 109～117, shell/liner 330 of 122 and 123 use together.In case install, this sheet 240 is frame outer parts.
Shown in Figure 79～88 be and second 340 of framework that Figure 109～117, shell/liner 330 of 122 and 123 use together.In case install, this sheet 340 is inner surface portion of framework.
Hole 240.1 holds rivet 340.1 on sheet 340.As Figure 82,83,86 and 86 as can be seen, rivet 340.1 has tapered rod 340.2 and taper round end 340.3, shoulder 340.6 is arranged below it.Bottom around bar 340.2 is a shell 340.4, and shell 340.4 has the annular groove 340.5 between bar 340.2 bottoms and shell 340.4.The tapering point of round end 340.3 makes 340.3 to push passage 240.2 and hole 240.4, in case pass, shoulder 240.6 and 240.3 will be adjacent to each other, and withdraw from from hole 240.1 to prevent rivet 340.1.
It shown in Figure 126 the framework 440 that is similar to the frame sheet 240 of Figure 69～78.Therefore, similar parts are marked with similar number.Framework 440 is different from framework 240 parts and is, framework 440 does not need second framing component that uses together.But framework 440 has and is positioned in abutting connection with each hole 240.1 rivet 440.1.For convenient a rivet is shown only, it has rivet 440.1 is the guy rope 440.3 of bundle on framework 440.Bearing-surface 440.4 is provided, extends rivet bar 440.5 from bearing-surface 440.4, rivet bar 440.5 stops in round end 440.6.The rivet 440.1 that comprises guy rope 440.3 can be Unitarily molded with framework 440, and be easy to install.
For rivet 440.1 is installed, framework 440 is arranged to flange 330.1 in abutting connection with shell/liner 330, the position that rivet 440.1 is moved into by flange 330.1 back sides firmly advances so that the back side of flange 330.1 at framework 440 can be clamped or push down to bearing-surface 440.4 then.
In order to illustrate, near the hole 240.1 framework 440 bottoms has relative different rivet arrangement.Rivet 440.2 has the relatively thin panel 440.7 that extends out from framework 440.Second panel 440.8 is linked on the panel 440.7 by hinge 440.9.In the mode very identical with rivet 440.1, what extend out from panel 440.8 is rivet bar 440.5, and rivet bar 440.5 stops in round end 440.6.
Distance between hinge 440.9 and the framework 440 (height of panel 440.7) can be set as around flange 330.1 loose fit or sliding fit are provided, and perhaps then is set as press flange 330.1 as far as possible if desired.Be arranged to abutting aperture 240.1 and folding panel 440.8 by flange 330.1, so that 440.6 the pushing hard in the hand-hole 240.1 of rivet, rivet 440.2 is fixed on flange 330.1 on the appropriate location with respect to framework 440.
§ 5 connectors or ancon bend pipe
As Fig. 1,7,9,11,12,62～66, especially shown in Figure 30～37, no matter whether having the swivel bearing or joint 250.2 (see figure 1)s of airline (not shown), ancon bend pipe 50 all has the end 52 that is suitable for engaging.Joint 250.2 but is selectable as shown in Figure 1.Joint 250.2 is that terminal 52 cylindrical form interior surface comprises the annular groove 250.1 (seeing Figure 11,32,35A and 35B) of admitting the belt limit 250.3 on the swivel bearing 250.2 with the connected mode of ancon bend pipe 50.
The near-end 50.1 of ancon bend pipe 50 be suitable for shell/liner 30,130,230,330 and be arranged in the hole 30.3 of shell/liner clasp 60 both engage.Stretch out from the main body of ancon bend pipe 50 near near-end 50.1 along the circumference equi-spaced apart or along two relative tongue pieces 50.3 of diameter.Each tongue piece 50.3 has the arc undercut portions 50.2 on inner surface 50.4 that is positioned at tongue piece 50.3.Undercut portions 50.2 engages with clasp 60.Finger piece 50.3 is each positioned at the relative position of diameter on the ancon bend pipe 50, and is positioned at the either side of ancon bend pipe 50 at near-end 50.1 places.
End at tongue piece 50.3 has built-in finger-like folder 54.Finger-like folder 54 allows the user can be with respect to near-end 50.1 pull tab sheet 50.3 radially outwardly, thereby allows undercut portions 50.2 to let slip the flange of clasp 60.Promptly allow subsequently to pull down ancon bend pipe 50 from mask system 10, ancon bend pipe 50 can remove cleaning.Near finger-like folder be two with the removable undercut portions that engages of clasp.
The inner surface of finger-like folder 54 comprises taper admission passage 50.7, therefore when near-end 50.1 being pushed when touching with the clasp side edge, finger-like folder 54, and therefore undercut portions 50.2, pushed away the edge of clasp 60, thereby make undercut portions push away the edge, it is radially inwardly setovered get back to interlocking pattern, prevent that near-end 50.1 from separating with clasp 60.
Figure 30～37 show the representational shape and size of ancon bend pipe 50.
It shown in Figure 10 and Figure 38～46 another kind of ancon bend pipe 150.Ancon bend pipe 150 is similar to above-mentioned ancon bend pipe 50, and similarly the parts labelling is with similar number.Yet ancon bend pipe 150 and ancon bend pipe 50 different being, ancon bend pipe 150 do not comprise removable tongue piece 50.3 and the finger-like folder 54 that ancon bend pipe 50 is included.Displacedly be, ancon bend pipe 50 has six discontinuous undercut portions 50.2, and undercut portions 50.2 equidistantly is distributed in around on the inward flange on the skirt section 50.6 of near-end 50.1.Ancon bend pipe 150 can not take off from shell/liner 30,130,230,330 like this, therefore, is discardable face shield after it is used for.
The undercut portions 50.2 contiguous holes 50.11 of passing skirt section 50.6 form.Hole 50.11 forms by that part of mould that forms undercut portions 50.2, occupies that part of space to prevent molten plastic.If desired, can provide more or less discontinuous undercut portions.
The inner surface in skirt section 50.6 comprises taper admission passage 50.7, thereby when near-end 50.1 being pushed when touching with the side edge of clasp 60, skirt section 50.6, and therefore undercut portions 50.2 are pushed away the edge of clasp 60, thereby make undercut portions 50.2 push away the edge.The structure in skirt section 50.6 provides radially inner bias voltage promptly to get back to interlocking pattern to force undercut portions 50.2 in a single day to push away the edge, thereby prevents that near-end 50.1 from separating with clasp 60.
The ancon bend pipe can for example Merlon or polypropylene be molded by any suitable material.
The material that preferred selection is suitable and the combination of modular construction, to allow user at an easy rate the ancon bend pipe to be rotated to any ideal position with hands, and in case location, when face shield is connected on the gas pipeline and sleep patient when using, the power that ancon bend pipe 50 or 150 is applied will not move.Allow user to have a preference for the position of relative face shield dough-making powder portion's setting ancon bend pipe 50 or ancon bend pipe 150 and gas pipeline according to the individual like this.
Because ancon bend pipe 50 is connected by shell/liner 30,130,230,330 with framework 40 with 150, so they directly do not link to each other.Because shell/liner is to be made of flexible material, so be connected the mobile sealing that does not directly destroy shell/liner of the airline on the rotation ancon bend pipe.Like this, can reach the influence of elimination from the drag of airline.
Be connector or the ancon bend pipe 250 similar to ancon bend pipe 50 shown in Figure 89～98, similarly the parts labelling is with similar number.Ancon bend pipe 250 has two outstanding features to be different from ancon bend pipe 50.The firstth, ancon bend pipe 50 directly is connected with pipeline, to supply air by terminal 52.Yet ancon bend pipe 250 provides groove 250.1 at its end 52, so that admit 180 ° joint 250.2 (seeing the joint 250.2 of Figure 122) endways, joint 250.2 rotatably connects by the annular edge 250.3 on it, and annular edge 250.3 is contained in the annular groove 250.1.Between the pipeline of supplying air and ancon bend pipe 250, provide like this and be rotatably connected.
Second different characteristic be, can be found out that by the cross section of Figure 91 ancon bend pipe 250 has the ventilation hole wall 250.4 that extends out from conduit wall 250.5, and described conduit wall 250.5 directly arrives the air stream outlet of ancon bend pipe.
Can at length find out in the cross section of Figure 95, be a series of four breather port 250.6 in ventilation hole wall 250.4.The angled setting of direction of mouth 250.6 and ancon bend pipe 250 air stream outlets.About 35 ° of this angle, perhaps the supplementary angle is 55 ° shown in Figure 90.
Hole wall 250.4 extends out from ventilation is the shell 250.7 that scatters.By enlarging gradually, anyly will be easy to disperse by breather port 250.6 expellant gas.
Figure 99～108,122 with shown in 123 be connector or the ancon bend pipe 350 similar to ancon bend pipe 150, similarly the parts labelling is with similar number.Ancon bend pipe 350 also has identical above-mentioned first and second features or difference with respect to ancon bend pipe 50 and 250, therefore similarly parts also labelling with similar number.
When connector or ancon bend pipe 250 and 350 only become 90 ° angle between the outlet of 52 inlet and near-end 50.1 endways, the easy to understand connector can be made of with any suitable angle between the outlet of 52 inlet and near-end 50.1 endways the shell 250.7 of ventilation hole wall 250.4, breather port 250.6 and diffusion.This angle can be 180 °, thereby can produce the connector of straight line or associating.
§ 6 clasps
The clasp 60 that uses together with mask device 10 is shown in Fig. 7,8,9 and 11, is illustrated in greater detail in Figure 26～29.Ring 60 can be made by any suitable material (for example Merlon).
The external diameter of ring 60 is about 33mm, and thickness is 9mm.Other representational size is shown among Figure 27.Fig. 8 and 9 shows how clasp 60 is installed in the mask system in use.
Shown in the cross-sectional view and Figure 26～29 of Fig. 8 and 9, clasp 60 comprises cylinder 62, annular front flange 64 and back flange 66 as can be seen, forms annular groove 67 between front flange 64 and back flange 66.Back flange 66 is suitable for being inserted and secured in the complementary passage 524 that is shaped, and described passage 524 is in abutting connection with the preceding hole 30.3 of shell/liner 30,130,230,330.
The shape of noting back flange 66 is symmetric, and front flange 64 is not.Furtherly, back flange 66 is arranged on the behind of cylinder 62 rear ends, thereby column part 69 is axially outstanding backward from the back side of back flange 66.
Shown in Figure 118～123 be and the clasp 160 of ring 60 similar another kind of forms, similar parts labelling is with similar number.Ring 160 is different from ring 60 parts and is, ring 160 has symmetrical structure so that it can any direction insert.The equal reference numerals 64 of preceding and back flange, mirror images of each other, shape are similar to the front flange 64 of ring 60.Promptly all comprise into inclined-plane or tapered edge 68.Note encircling 160 and do not comprise axially extended backward column part, as be present in the feature of encircling on 60 69.
From the cross section of Figure 120 as can be seen, the hole of passing ring 160 has the wall 160.1 and 160.2 of convergent-divergent.These walls become 20 ° angle or become 20 ° taper, molded to help ring 160, and when these ancon bend pipes from encircling 160 the blocking of near-end 50.1 that prevent ancon bend pipe 50 and 250 when separating.
The shape of the groove 524 on the shell/liner of the flange 64 of receiving ring 160 is preferably the complementary shape that makes ring 160 that supporting is provided.
The assembling of § 7 parts
With reference to figure 7,8 and 9, will narrate the assembling of the Class1 mask system of above-mentioned chapters and sections § 1 explanation now.
Shown in Fig. 8 of mask device 10 and 9 the cross-sectional view, can see the connection between ancon bend pipe 50, clasp 60 and the shell/liner 30.The back flange 66 of clasp 60 is suitable for inserting and remain in the passage 524 in the preceding hole 30.3 of shell/liner 30.
Undercut portions is suitable for engaging with the rear surface of front flange 64 on the ancon bend pipe 50, thereby maintains ancon bend pipe 50.
When near-end 50.1 passes clasp 60, between the near-end 32 of the flange on shell/liner 30 or fin 526 and ancon bend pipe 50, form sealing.Like this, because flange or fin 526 with the near-end of circular pattern extend through ancon bend pipe, allow the leakproof seal of ancon bend pipe 50 with respect to 30 rotations of shell/liner so formed.Between shell/liner and ancon bend pipe, produce suitable sealing like this.
With reference to Figure 122～125, will narrate the assembling of type 7 mask systems of above-mentioned § 1 preface explanation now.
The assembling of type 7 is very similar to the assembling of the above-mentioned type 1, just do not use monolithic framework 40 and use two frameworks forming by sheet 240 and 340, and do not use the shell/liner 30 of tape channel 140 and used shell/liner 330 of being with periphery flange 330.1.(a) assembling of framework and shell/liner and (b) assembling of clasp and ancon bend pipe and shell/liner can carry out with any order.
For assembling frame, Producer is aimed at rivet 340.1 and bolt 340.7 with hole 330.3 and 330.2 separately, then, and from the back of shell/liner 330, to direction forward rivet and bolt are inserted these holes backward.In case rivet is included in the hole 330.2, the remainder of flange 330.1 is arranged to the front surface of abutment flange 340, and sheet 240 is aimed at then, so that hole 240.1 is aimed at rivet 340.1, on two 240 and 340, exert pressure again, pass the slot in hole 240.1 with the taper round end that forces rivet 340.1.Need push down flange 330.1 by the size of suitably setting rivet 340.1 and hole 240.1, thereby in case the round end of rivet blocks in hole 240.1, sheet 240 and 340 will make flange 330.1 crampings between them.Perhaps, shown in Figure 124, the gap size between the sheet 240 and 340 can be decided to be and hold flange 330.1 under the situation that does not produce any pressure.
When rivet 340.1 blocked in hole 240.1, bolt 340.7 passed hole 330.3.Three bolts 340.7 prevent that flange 330.1 from coming off out from clamping the formed interlayer by sheet 240 and 340.
Above described be the feature of once using mask device, its mesochite/liner 30,130,230 and 330 thickness reduce so that tear point to be provided.Can produce a type of service that does not have so weak line or tear point.Using nonrecoverable ancon bend pipe, for example above-mentioned ancon bend pipe 150 or 350, a type of service like this will allow shell/liner 30,130,230 and 330 (do not reduce any thickness or without any tear point) from the clasp 60 that assembles or 160 and ancon bend pipe 150 or 350 take apart, and clasp 60 or 160 keeps being bonded on ancon bend pipe 150 or 350.Like this, owing to clasp 60 or 160 can not be extracted or taken apart from ancon bend pipe 150 or 350, so such mask device can not be assembled again.
Although invention has been described according to embodiment preferred, must understand these embodiments the application of the principles of the present invention only is described.Without departing from the spirit and scope of the present invention, wherein can carry out many changes and can design other scheme.
Should understand that the present invention open in this and that limit expands to that description relates to or obviously from two or more all combinations selected of the single feature of description.All these are different constitutes various selection scheme of the present invention.
Claims (53)
1, a kind of mask system for the treatment of the sleep-respiratory imbalance, comprise headband, comprise shell/liner, comprise the ancon bend pipe of at least one undercut portions on the framework, near-end and comprise the clasp of back flange and front flange in abutting connection with the passage in preceding hole, described back flange is used for being inserted in the passage of shell/liner with keeping, and front flange is suitable for can being retentively engaged with at least one undercut portions of ancon bend pipe.
2, mask system as claimed in claim 1 also comprises pressing close to the thin wall component of the passage of shell/liner, and this shell/liner is suitable for tearing when dismounting ancon bend pipe.
3, a kind of mask system for the treatment of the sleep-respiratory imbalance, comprise headband, framework and shell/liner, this shell/liner comprises the passage that holds framework that is formed by front flange and back flange, this front flange is around 75%～100% extension of the circumference of shell/liner, and its middle frame is suitable for detachably inserting in the passage that holds framework of shell/liner.
4, mask system as claimed in claim 3, wherein, in the bridge of the nose district of the shell/liner that is used for contacting patient's bridge of the nose district at least, back flange is that 1mm～3mm is thick.
5, mask system as claimed in claim 4, wherein, about 2mm is thick for back flange.
6, a kind of connector that is used to connect face shield and air-flow is delivered to the pipeline of described face shield, described connector includes an inlet and an outlet and the conduit wall of delivery air between them, this connector the outlet and the inlet between described outlet near comprise the ventilation hole wall that extends out from described conduit wall, described ventilation hole wall comprise at least one pass the ventilation hole wall the hole.
7, connector as claimed in claim 6, wherein, described connector and described face shield are integrally made.
8, connector as claimed in claim 6, wherein, described connector separates with described face shield to be made, and then can connect or append on the face shield.
9, as each described connector in the claim 6 to 8, wherein, described connector and described pipeline are integrally made.
10, as each described connector in the claim 6 to 8, wherein, described connector separates with described pipeline to be made, and then can connect or append on the pipeline.
11, as each described connector in the claim 6 to 10, wherein, described connector is made so that export and enter the mouth into any suitable angle.
12, connector as claimed in claim 11, wherein, described connector makes so that described outlet and the angle that enters the mouth into 90 °～180 °.
13, connector as claimed in claim 12, wherein, described connector is 90 ° an ancon bend pipe.
14, as each described connector in the claim 6 to 13, wherein, described connector comprises described connector is connected to syndeton on the described face shield.
15, connector as claimed in claim 14, wherein, described syndeton comprises that at least one buckle-type undercut portions is to engage the mating flanges on the described face shield.
16, as claim 14 or 15 described connectors, wherein, described syndeton removably is connected to described connector on the described face shield.
17, connector as claimed in claim 16, wherein, described syndeton comprises moveable part, and described buckle-type undercut portions forms on this moveable part, and described moveable part allows described undercut portions and described flange to break away from.
18, as each described connector in the claim 14 to 17, wherein, described syndeton allows described connector to rotate with respect to described face shield.
19, as each described connector in the claim 6 to 13, wherein, described connector comprises described connector is connected to connecting device on the described face shield.
20, connector as claimed in claim 19, wherein, described connecting device comprises that at least one buckle-type undercut portions is to engage the mating flanges on the described face shield.
21, as claim 19 or 20 described connectors, wherein, described connecting device removably is connected to described connector on the described face shield.
22, connector as claimed in claim 21, wherein, described connecting device comprises moveable part, and described buckle-type undercut portions forms on this moveable part, and described moveable part allows described undercut portions and described flange to break away from.
23, as each described connector in the claim 19 to 22, wherein, described connecting device makes described connector rotate with respect to described face shield.
24, as each described connector in the claim 6 to 23, wherein, described connector comprises the Lv Aikou by described conduit wall.
25, as each described connector in the claim 6 to 24, wherein, described ventilation hole wall and described air-flow bevel.
26, connector as claimed in claim 25, wherein, described angle is 25 °～155 °.
27, as each described connector in the claim 6 to 26, wherein, described connector comprises the groove with the wall part that extends from the outside of described ventilation hole wall on its outer surface.
28, connector as claimed in claim 27, wherein, described wall part is along telling away from the direction of described ventilation hole wall.
29, a kind of face shield for the treatment of sleep-respiratory imbalance, described face shield has in the band and the shell/liner of outer surface, and flange extends out and around described shell/liner from described outer surface; Described face shield has exo-skeletal frame, the shape of this exo-skeletal frame basically with the profile phase of flange coupling, thereby described framework can be pressed close to the flange setting when the shape of shell/liner is suitable for patient and uses, and described flange is remained on structure on the framework.
30, face shield as claimed in claim 29, wherein, the structure that described flange is remained on the described ring element comprises one or more holes of passing described flange.
31, face shield as claimed in claim 29, wherein, rivet or other fixture pass described hole, so that described flange keeps pressing close to described framework.
32, as each described face shield in the claim 29 to 31, thereby wherein said framework randomly is configured to be connected with headband described face shield is positioned on patient's the head.
33, a kind of face shield for the treatment of sleep-respiratory imbalance, described face shield has in the band and the shell/liner of outer surface, and flange extends out and around described shell/liner from described outer surface; Described face shield has exo-skeletal frame, the shape of this exo-skeletal frame basically with the profile phase of flange coupling, thereby described framework can be pressed close to the flange setting when the shape of shell/liner is suitable for patient and uses; And described flange remained on device on the framework.
34, face shield as claimed in claim 33, wherein, the device that described flange is remained on the described ring element comprises one or more holes of passing described flange.
35, face shield as claimed in claim 33, wherein, rivet or other fixture pass described hole, so that described flange keeps pressing close to described framework.
36, as each described face shield in the claim 33 to 35, thereby wherein said framework comprises being connected with headband described face shield is positioned at device on patient's head.
37, as each described face shield in the claim 29 to 36, wherein said framework comprises that at least one is connected to the connecting elements on the framework, and this connecting elements cooperates with framework described flange is clipped between described at least one connecting elements and the described framework.
38, face shield as claimed in claim 37, wherein, described at least one connecting elements is with being hinged on the described framework.
39, face shield as claimed in claim 37, wherein, described at least one connecting elements is connected on the described framework by flexibly connecting.
40, as each described face shield in the claim 29 to 39, wherein the shape of second annular construction member basically with the profile phase of described flange coupling, thereby described flange is clipped between described first annular construction member and second annular construction member.
41, as each described face shield in the claim 29 to 40, wherein said second annular construction member, described flange and described first annular construction member are fixed together by rivet and/or fixture.
42, face shield as claimed in claim 41, wherein, described second annular construction member comprises by this second annular construction member rivet that extend, that can pass described flange and described first annular construction member.
43, face shield as claimed in claim 41, wherein, described first annular construction member comprises by this first annular construction member rivet that extend, that can pass described flange and described second annular construction member.
44, face shield as claimed in claim 41, wherein, described flange comprises first group of rivet that forwards extends and the second group of rivet that rearward extends, described first group of rivet hammers in the hole of passing described first annular construction member, and described second group of rivet hammers in the hole of passing described second annular construction member.
45, as each described face shield in the claim 42 to 44, wherein said rivet is deformable at its free end.
46, as each described face shield in the claim 42 to 44, wherein said rivet comprises deformable undercut portions, so that this undercut portions can be passed described hole, thereby recover its shape then member is fixed together.
47, a kind of mask system comprises headband and as each described face shield in the claim 29 to 46.
48, mask system as claimed in claim 47, wherein said mask system comprise as each described connector in the claim 6 to 28.
49, a kind of mask system comprises headband, face shield and as each described connector in the claim 6 to 28.
50, mask system as claimed in claim 1 or 2, wherein said ancon bend pipe comprise the structure that prevents that during normal use described hole and described clasp break away from.
51, mask system as claimed in claim 1 or 2, wherein said ancon bend pipe have the device that prevents that during normal use described hole and described clasp break away from.
52, as each described mask system in the above-mentioned claim, wherein, when described ancon bend pipe or described connector separated with described face shield, it had cylindrical outlet.
53, mask system as claimed in claim 52, wherein said shell/liner comprises annular lip, when shell/liner and described ancon bend pipe or the assembling of described connector, the edge interlock of this annular lip and described outlet, thus make described outlet and described flange driving fit aptly.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003902098 | 2003-05-02 | ||
| AU2003902098A AU2003902098A0 (en) | 2003-05-02 | 2003-05-02 | A mask system |
| AU2004901648 | 2004-03-26 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010517066XA Division CN101987221B (en) | 2003-05-02 | 2004-04-30 | A mask system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1784250A true CN1784250A (en) | 2006-06-07 |
Family
ID=31953453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480011911 Pending CN1784250A (en) | 2003-05-02 | 2004-04-30 | A mask system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1784250A (en) |
| AU (1) | AU2003902098A0 (en) |
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| AU2003902098A0 (en) | 2003-05-22 |
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Open date: 20060607 |