CN106730316A - The transfusion many siphunculus of counterflow-preventing - Google Patents
The transfusion many siphunculus of counterflow-preventing Download PDFInfo
- Publication number
- CN106730316A CN106730316A CN201611240186.3A CN201611240186A CN106730316A CN 106730316 A CN106730316 A CN 106730316A CN 201611240186 A CN201611240186 A CN 201611240186A CN 106730316 A CN106730316 A CN 106730316A
- Authority
- CN
- China
- Prior art keywords
- counterflow
- preventing
- many siphunculus
- supervisor
- transfusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M2039/0205—Access sites for injecting media
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
- A61M2039/0673—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof comprising means actively pressing on the device passing through the seal, e.g. inflatable seals, diaphragms, clamps
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of transfusion many siphunculus of counterflow-preventing, including：Supervisor and at least one dosing branch pipe for being arranged at supervisor's sidepiece, the supervisor upper end offer the inlet for being connected with woven hose, and the supervisor lower end offers the liquid outlet for being connected with woven hose；The dosing branch pipe includes one end and supervisor's sidepiece body for connecting, the plug road for being arranged at the body other end and is equipped with the plunger of the Sai Daonei；Cylindrical channel section and conicylindrical passage section that the plug road sets gradually including ecto-entad；The plunger includes the cylindrical plug and conical cock body that cock cap and the cock cap are sequentially connected.The transfusion of the invention many siphunculus of counterflow-preventing can remain the seal of dosing branch pipe when in use by setting plunger and Sai Dao in dosing branch pipe, can effectively prevent the liquid countercurrent in dosing branch pipe, and simple structure, easy to use.
Description
Technical field
The present invention relates to medical transfusion equipment technical field, especially a kind of transfusion many siphunculus of counterflow-preventing.
Background technology
In the clinical treatment of critical patients, some drugses are injected into human vein commonly using transfusion or micro pump.
Liquid or micro pump need to be attached intravenous injection needle with three links: link of trade, travel and post.There is following hidden danger when clinically using threeway：
First, the medicine of micro pump injection is often that some influence more violent medicine on human body physiological function (as boosted
Medicine or vasodilator agent).Micro pump can make medicine enter the speed control of human body to point-device dosage, per hour can be with
Several to several milliliters of injection human body zero point.Critical patients transfusion often continues 24 hours to as long as a couple of days.In many cases may be
Syringe needle to occurring obstruction between threeway, the patient's possibility such as having in sleep because of not autonomic activities (such as standing up) by syringe needle or
Situations such as woven hose is pressed off and syringe needle blocks occurs.And now micro pump still constantly medicine injection, such medicine can pass through
Triple valve adverse current enters the woven hose or medicine bag of maintaining liquid and accumulates.When patient does not stand up independently again or is incited somebody to action by medical personnel
After the woven hose for pressing off recovers circulation, it is possible to which the medicine for making adverse current enter in infusion bag injects human body in a short time, and inverse
The medicine in infusion bag is flowed into be possible to have accumulated a period of time, after circulation is recovered again, every point of infusion of medicine human body
The dosage of clock medicine has been likely to increase manyfold and has caused vital sign patient's big ups and downs, is caused damage to human body or even led
Cause death.
2nd, even without micro pump, in the infusion niidl of patient sometimes for the transfusion for connecting several different pharmaceuticals
Bag is infused, in this case, it is also desirable to different infusion bag and infusion niidls are connected using threeway, due to different liquid
Body bag pressure height is different, it may appear that a kind of pressure medicine high countercurrently, not only affects the treatment to the low medicinal bag of pressure, may be used also
The chemical reaction of medicine can be caused and cause other to endanger；In addition when being infused for a long time using threeway, clinically have
When occur syringe needle, woven hose and threeway dockingundocking and undiscovered, cause a large amount of loss of blood to occur unexpected.
So needing the transfusion three-way pipe or many siphunculus that can prevent adverse current of a kind of simple structure, convenient use now.
The content of the invention
The technical problems to be solved by the invention are for above-mentioned deficiency of the prior art, there is provided one kind transfusion uses anti-
Countercurrently many siphunculus.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of transfusion many siphunculus of counterflow-preventing, bag
Include：Supervisor and at least one dosing branch pipe for being arranged at supervisor's sidepiece,
The supervisor upper end offers the inlet for being connected with woven hose, the supervisor lower end offer for it is defeated
The liquid outlet of liquid pipe connection；
The dosing branch pipe includes one end with supervisor's sidepiece body for connecting, the plug for being arranged at the body other end
Road and it is equipped with the plunger of the Sai Daonei；
Cylindrical channel section and conicylindrical passage section that the plug road sets gradually including ecto-entad；
The plunger includes the cylindrical plug and conical cock body that cock cap and the cock cap are sequentially connected.
Preferably, two limited impressions are at least offered on the inwall of the interlude of the cylindrical channel section.
Preferably, it is provided with polyvinylidene chloride layer on the conicylindrical passage section inwall.
Preferably, it is provided with unidirectional valve in the outlet of the conicylindrical passage end.
Preferably, the unidirectional valve includes a circular baffle plate and is connected to the circular baffle plate described conical logical
Arc spring lamination on the side wall of road end.
Preferably, the diameter of the outlet with diameter greater than the conicylindrical passage end of the circular baffle plate.
Preferably, the spacing convex body coordinated with the limited impression is provided with the outer wall of the cylindrical plug.
Preferably, it is provided with polytetrafluoroethylene floor on the conical cock body outer wall.
Preferably, diameter of the diameter of the conical body end less than the outlet of the conicylindrical passage end.
Preferably, the plunger is quality of rubber materials, and the plunger cooperation is inserted in the Sai Daonei.
Beneficial effects of the present invention：Transfusion of the invention with many siphunculus of counterflow-preventing by dosing branch pipe set plunger and
Plug road, can remain the seal of dosing branch pipe when in use, can effectively prevent the liquid countercurrent in dosing branch pipe, and structure
Simply, it is easy to use, the settable multiple dosing branch pipe of the present invention, to realize three links: link of trade, travel and post " four-way " " five lead to " etc., so that convenient note
Penetrate various medicaments.
Brief description of the drawings
Fig. 1 is the structural representation of many siphunculus of transfusion counterflow-preventing of the invention；
Fig. 2 is the structural representation in plug road of the invention；
Fig. 3 is the structural representation of plunger of the invention.
Description of reference numerals：
1-supervisor 1；2-dosing branch pipe；3-inlet；4-liquid outlet；5-body；6-plug road；7-plunger；60—
Cylindrical channel section；61-conicylindrical passage section；62-limited impression；63-polyvinylidene chloride layer；64-unidirectional valve；
65-circular baffle plate；66-arc spring lamination；67-outlet；70-cock cap；71-cylindrical plug；72-conical cock body；
73-spacing convex body；74-polytetrafluoroethylene floor.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that it is used herein such as " have ", "comprising" and " including " term do not allot one or many
The presence or addition of individual other elements or its combination.
As Figure 1-3, a kind of many siphunculus of transfusion counterflow-preventing of the present embodiment include：Supervisor 1 and at least one setting
In the dosing branch pipe 2 for being responsible for 1 sidepiece,
Be responsible for 1 upper end and offer inlet 3 for being connected with woven hose, 1 lower end of supervisor offer for woven hose
The liquid outlet 4 of connection；
Dosing branch pipe 2 includes one end and the plug road 6 be responsible for the 1 sidepiece body 5 for connecting, be arranged at the other end of body 5 and matches somebody with somebody
Conjunction is arranged at the plunger 7 in plug road 6.
Cylindrical channel section 60 and conicylindrical passage section 61 that plug road 6 sets gradually including ecto-entad；Cylindrical channel
Two limited impressions 62 are at least offered on the inwall of the interlude of section 60；Poly- inclined two are provided with conicylindrical passage 61 inwalls of section
Pvdc layer 63, polyvinylidene chloride layer 63 can effectively improve the anti-wear performance and sealing property of conicylindrical passage 61 inwalls of section；
Unidirectional valve 64 is provided with the outlet 66 of 61 ends of conicylindrical passage section, unidirectional valve 64 includes a circular baffle plate 65 and will justify
Shape baffle plate 65 is connected to the arc spring lamination 65 on the side wall of 61 ends of conicylindrical passage section, and arc spring lamination 65 is plastic material,
Under nature, arc spring lamination 65 shrinks, and circular baffle plate 65 is covered in the outlet 66 of 61 ends of conicylindrical passage section, and defeated
When being connected with liquid in liquid pipe, circular baffle plate 65 can also be pressed to liquid the outlet 66 of 61 ends of conicylindrical passage section, make circular gear
Plate 65 is tightly placed in outlet 66, prevents liquid from 66 adverse currents of outlet to plug road 6.
Wherein, the diameter of the outlet 66 with diameter greater than 61 ends of conicylindrical passage section of circular baffle plate 65, closed to ensure
Property.
Plunger 7 includes the cylindrical plug 71 and conical cock body 72 that cock cap 70 and cock cap 70 are sequentially connected.Cylindrical plugs
The spacing convex body 73 coordinated with limited impression 62 is provided with the outer wall of body 71, spacing convex body 73 can only be slided in limited impression 62
It is dynamic, so that plunger 7 both will not inwardly be excessively inserting, also will not outwards drop out；Poly- four are provided with the outer wall of conical cock body 72
PVF layer 74；Plunger 7 is quality of rubber materials, and plunger 7 is fitted close and is inserted in plug road 6, further enhances the close of dosing branch pipe 2
Closing property；Wherein, the diameter of the end of conical cock body 72 is less than the diameter of the outlet 66 of conicylindrical passage end, conical cock body 72
The diameter of most butt end be equal to or be comparable to the diameter at the maximum end of conicylindrical passage section 61, the diameter of cylindrical plug 71 is slightly less than
The diameter of cylindrical channel section 60.
Preceding using, plunger 7 is inserted in plug road 6, but conical cock body 72 does not pass through 61 ends of conicylindrical passage section
Outlet 66, conical cock body 72 is in the outside of conicylindrical passage end, and plunger 7 is fitted close with plug road 6, at unidirectional valve 64
In closed mode, dosing branch pipe 2 keeps closed, and the liquid in supervisor 1 does not have dosing branch pipe 2 and outflows.When use dosing branch pipe 2
During dosing, pressing plunger 7 is forwardly inserted plug road 6, because the diameter of the end of conical cock body 72 is less than the end of conicylindrical passage section 61
The diameter of the outlet 66 at end, the end of conical cock body 72 passes through the outlet 66 of 61 ends of conicylindrical passage section, and pushes up opening one-way work
The circular baffle plate 65 of valve 64, but conical cock body 72 is still brought into close contact with conicylindrical passage, makes the liquid in dosing branch pipe 2 will not
By filling in 6 outside adverse currents, dosing branch pipe 2 keep it is closed remain in that it is closed, and in spacing convex body 73 and limited impression 62
Under cooperation, conical cock body 72 will not inwardly be excessively inserting, and be avoided that damage unidirectional valve 64 and dosing branch pipe 2, then again will
Puncture needle inserts plunger 7, and through plunger 7, into dosing branch pipe 2, by drug injection to dosing branch pipe 2, and is flowed into
In supervisor 1, infused.When dosing 2 dosing of branch pipe is no longer needed to use, plunger 7 is outwards pulled out, move back conical cock body 72
Return in conicylindrical passage, the circular baffle plate 65 of unidirectional valve 64 is returned in the presence of fluid pressure and the convergent force of arc spring lamination 65
Cover in the outlet 66 of 61 ends of conicylindrical passage section, dosing branch pipe 2 continues to keep closed, then puncture needle is extracted, Ji Nengfang
Only the liquid countercurrent in dosing branch pipe 2, is avoided that the pin hole that bubble is left by the puncture needle in plunger 7 when puncture needle is extracted again
Into in dosing branch pipe 2, and due to the cooperation of limited location convex body 73 and limited impression 62, plunger 7 will not be because extraction be excessive
Outwards drop out.
The present invention is used for medical transfusion, during in particular for carrying out multi-medicament transfusion, by transfusion of the invention when using
It is connected in infusion tube with many siphunculus of counterflow-preventing, recycles dosing branch pipe 2 to carry out dosing.
The transfusion of the invention many siphunculus of counterflow-preventing, can remain the seal of dosing branch pipe 2 when in use, can be effective
The liquid countercurrent in dosing branch pipe 2, and simple structure are prevented, easy to use, the settable multiple dosing branch pipe 2 of the present invention, with reality
Existing three links: link of trade, travel and post " four-way " " five lead to " etc., so that convenient injection various medicaments.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With.It can be applied to various suitable the field of the invention completely.For those skilled in the art, can be easily
Realize other modification.Therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (10)
1. a kind of transfusion many siphunculus of counterflow-preventing, it is characterised in that including：Supervisor is arranged at supervisor's sidepiece with least one
Dosing branch pipe,
The supervisor upper end offers the inlet for being connected with woven hose, the supervisor lower end offer for woven hose
The liquid outlet of connection；
The dosing branch pipe include one end and supervisor's sidepiece body for connecting, the plug road for being arranged at the body other end and
It is equipped with the plunger of the Sai Daonei；
Cylindrical channel section and conicylindrical passage section that the plug road sets gradually including ecto-entad；
The plunger includes the cylindrical plug and conical cock body that cock cap and the cock cap are sequentially connected.
2. transfusion according to claim 1 many siphunculus of counterflow-preventing, it is characterised in that the centre of the cylindrical channel section
Two limited impressions are at least offered on the inwall of section.
3. transfusion according to claim 1 many siphunculus of counterflow-preventing, it is characterised in that the inwall of the conicylindrical passage section
On be provided with polyvinylidene chloride layer.
4. transfusion according to claim 3 many siphunculus of counterflow-preventing, it is characterised in that the conicylindrical passage end goes out
Unidirectional valve is provided with mouthful.
5. transfusion according to claim 4 many siphunculus of counterflow-preventing, it is characterised in that the unidirectional valve includes that is circular
Baffle plate and the circular baffle plate is connected to the arc spring lamination on the side wall of the conicylindrical passage end.
6. transfusion according to claim 5 many siphunculus of counterflow-preventing, it is characterised in that the circular baffle plate with diameter greater than
The diameter of the outlet of the conicylindrical passage end.
7. transfusion according to claim 1 many siphunculus of counterflow-preventing, it is characterised in that on the outer wall of the cylindrical plug
It is provided with the spacing convex body coordinated with the limited impression.
8. transfusion according to claim 7 many siphunculus of counterflow-preventing, it is characterised in that set on the conical cock body outer wall
It is equipped with polytetrafluoroethylene floor.
9. transfusion according to claim 8 many siphunculus of counterflow-preventing, it is characterised in that the conical body end it is straight
Diameter of the footpath less than the outlet of the conicylindrical passage end.
10. many siphunculus of counterflow-preventing of the transfusion according to any one in claim 1-9, it is characterised in that the plunger
It is quality of rubber materials, the plunger cooperation is inserted in the Sai Daonei.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240186.3A CN106730316B (en) | 2016-12-28 | 2016-12-28 | Anti-reflux multi-way tube for transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240186.3A CN106730316B (en) | 2016-12-28 | 2016-12-28 | Anti-reflux multi-way tube for transfusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106730316A true CN106730316A (en) | 2017-05-31 |
| CN106730316B CN106730316B (en) | 2022-12-13 |
Family
ID=58924096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611240186.3A Active CN106730316B (en) | 2016-12-28 | 2016-12-28 | Anti-reflux multi-way tube for transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106730316B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2042137A (en) * | 1979-02-07 | 1980-09-17 | Nat Res Dev | Dispensing valves |
| EP0684050A2 (en) * | 1994-05-27 | 1995-11-29 | Ivac Corporation | Needleless injection site with bypass valve arrangement |
| US5797431A (en) * | 1995-06-23 | 1998-08-25 | Est Group, Inc. | Inner diameter pipe plug |
| DE102004005372A1 (en) * | 2004-02-03 | 2005-08-18 | Fresenius Medical Care Deutschland Gmbh | Apparatus and method for introducing a stopper into a patient connector for peritoneal dialysis |
| CN201179271Y (en) * | 2008-01-31 | 2009-01-14 | Amsino医疗集团控股有限公司 | One-way positive pressure valve |
| JP2010022453A (en) * | 2008-07-16 | 2010-02-04 | Nippon Sherwood Medical Industries Ltd | Liquid coinfusion unit |
| CN201543108U (en) * | 2008-09-27 | 2010-08-11 | 司福中 | Anti-reflux infusion tee |
| CN102989061A (en) * | 2012-12-04 | 2013-03-27 | 苏州市雅思精密模具有限公司 | Disposable syringe |
| CN202982922U (en) * | 2012-06-05 | 2013-06-12 | 李静 | Anti-counterflow positive-pressure needleless four-way joint |
| CN103691025A (en) * | 2014-01-07 | 2014-04-02 | 江苏苏云医疗器材有限公司 | Needleless connection type infusion apparatus |
| CN203694233U (en) * | 2014-01-07 | 2014-07-09 | 江苏苏云医疗器材有限公司 | Injector preventing backflow |
| WO2015064955A1 (en) * | 2013-11-01 | 2015-05-07 | 박효남 | Multiway connector device for stopcock-type intravenous injection having built-in filter reducing injection resistance |
| CN207055734U (en) * | 2016-12-28 | 2018-03-02 | 苏州科技城医院 | The more siphunculus of transfusion counterflow-preventing |
-
2016
- 2016-12-28 CN CN201611240186.3A patent/CN106730316B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2042137A (en) * | 1979-02-07 | 1980-09-17 | Nat Res Dev | Dispensing valves |
| EP0684050A2 (en) * | 1994-05-27 | 1995-11-29 | Ivac Corporation | Needleless injection site with bypass valve arrangement |
| US5797431A (en) * | 1995-06-23 | 1998-08-25 | Est Group, Inc. | Inner diameter pipe plug |
| DE102004005372A1 (en) * | 2004-02-03 | 2005-08-18 | Fresenius Medical Care Deutschland Gmbh | Apparatus and method for introducing a stopper into a patient connector for peritoneal dialysis |
| CN201179271Y (en) * | 2008-01-31 | 2009-01-14 | Amsino医疗集团控股有限公司 | One-way positive pressure valve |
| JP2010022453A (en) * | 2008-07-16 | 2010-02-04 | Nippon Sherwood Medical Industries Ltd | Liquid coinfusion unit |
| CN201543108U (en) * | 2008-09-27 | 2010-08-11 | 司福中 | Anti-reflux infusion tee |
| CN202982922U (en) * | 2012-06-05 | 2013-06-12 | 李静 | Anti-counterflow positive-pressure needleless four-way joint |
| CN102989061A (en) * | 2012-12-04 | 2013-03-27 | 苏州市雅思精密模具有限公司 | Disposable syringe |
| WO2015064955A1 (en) * | 2013-11-01 | 2015-05-07 | 박효남 | Multiway connector device for stopcock-type intravenous injection having built-in filter reducing injection resistance |
| CN103691025A (en) * | 2014-01-07 | 2014-04-02 | 江苏苏云医疗器材有限公司 | Needleless connection type infusion apparatus |
| CN203694233U (en) * | 2014-01-07 | 2014-07-09 | 江苏苏云医疗器材有限公司 | Injector preventing backflow |
| CN207055734U (en) * | 2016-12-28 | 2018-03-02 | 苏州科技城医院 | The more siphunculus of transfusion counterflow-preventing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106730316B (en) | 2022-12-13 |
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