CN110338888B - Implant applicator - Google Patents
Implant applicator Download PDFInfo
- Publication number
- CN110338888B CN110338888B CN201910651905.8A CN201910651905A CN110338888B CN 110338888 B CN110338888 B CN 110338888B CN 201910651905 A CN201910651905 A CN 201910651905A CN 110338888 B CN110338888 B CN 110338888B
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- applicator
- insert
- implant
- housing
- sensor
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- 239000007943 implant Substances 0.000 title claims abstract description 119
- 238000004146 energy storage Methods 0.000 claims abstract description 40
- 230000009471 action Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000002513 implantation Methods 0.000 abstract description 27
- 238000003780 insertion Methods 0.000 description 19
- 230000037431 insertion Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, wires
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses an implant applicator, comprising: an applicator housing, an implant assembly detachably disposed to the applicator housing; an insert reciprocally disposed within said applicator housing and adapted to move at least a portion of said implant assembly; and the energy storage piece stores energy in the energy storage piece, and the energy in the energy storage piece can be selectively released to drive the insert piece to reciprocate. The implantation applicator according to the present invention has a small number of parts and low cost, and the reciprocating movement of the insert is achieved by providing only one energy storage member, so that the movements of the insert are consistent, and the pain of the user is effectively reduced.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an implantation applicator.
Background
In the related art, the implantation applicator has a large number of parts, a complex structure and still has room for improvement; the action of the implantation applicator for puncturing the human body is not consistent, so that the pain of the patient is aggravated to a certain extent.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, it is an object of the present invention to provide an implant applicator which has a small number of parts and is low in cost, and which allows the reciprocating movement of the insert to be achieved by providing only one energy storage member, so that the movements of the insert are consistent, and the pain of the user is effectively reduced.
The implant applicator according to the present invention comprises: an applicator housing, an implant assembly detachably disposed to the applicator housing; an insert reciprocally disposed within said applicator housing and adapted to move at least a portion of said implant assembly; and the energy storage piece stores energy in the energy storage piece, and the energy in the energy storage piece can be selectively released to drive the insert piece to reciprocate.
According to the implantation applicator, the energy storage piece is arranged to drive the insertion piece to reciprocate, so that the number of parts in the implantation applicator is reduced, and the cost of the implantation applicator is reduced; meanwhile, the insert is driven by the energy storage piece only, the reciprocating movement process of the insert is consistent, and the reliability of the implantation applicator is improved.
According to one embodiment of the invention, the implant applicator further comprises: the actuating piece is connected with the energy storage piece and is suitable for driving the insert piece to reciprocate under the action of the energy storage piece.
According to one embodiment of the invention, the energy accumulating member is adapted to drive the rotation of the actuator member to effect a reciprocating movement of the insert member.
According to one embodiment of the invention, the insert is provided with a slide, and the actuator is provided with a protrusion movable in the slide.
According to one embodiment of the invention, the actuator is configured as a disc-shaped structure rotatably arranged in the applicator housing, a receiving space is arranged in the actuator, and the energy storage element is accommodated in the receiving space and connects the actuator with the applicator housing.
According to one embodiment of the invention, the energy storage member is configured as a coil spring, one end of which is connected to the applicator housing, and the other end of which is connected to the actuator.
According to one embodiment of the invention, the implant assembly comprises: an implant housing detachably disposed to the applicator housing; a sensor detachably disposed at a front end of the insert; a sensor receptacle disposed in the implant housing; wherein the sensor disengages from the insert after the insert has been moved to an extreme position and mates with the sensor receptacle.
According to one embodiment of the invention, the sensor receptacle is rotatably arranged in the implant housing, and the applicator housing or the insert is provided with a stop member adapted to maintain an angle between the sensor receptacle and the implant housing.
According to one embodiment of the invention, the angle maintained between the sensor receptacle and the implant housing is a, and a satisfies: 15 DEG < a < 90 deg.
According to one embodiment of the invention, the implant applicator further comprises a bumper releasably disposed to the insert.
According to one embodiment of the invention, the implant applicator further comprises a locking member disposed within the applicator housing and adapted to lock or unlock the implant housing from the applicator housing.
According to one embodiment of the invention, the locking element comprises: a clamping portion rotatably disposed within the applicator housing; and one end of the trigger piece is positioned in the moving track of the buffer piece, and the other end of the trigger piece is connected with the clamping part.
According to one embodiment of the invention, the damping element is provided with an abutment surface against the triggering element, which abutment surface is configured to press against the triggering element when the insert is not moved outwards.
According to one embodiment of the invention, the forward end of the insert is provided with a needle which passes through the buffer and the sensor, the sensor being at least partially housed in the needle.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is an exploded view of an implant applicator according to an embodiment of the present invention;
FIG. 2 is a top view of an implant applicator according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of section A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion of circle D of FIG. 3;
FIG. 5 is a schematic illustration of the engagement of a stop member with a sensor receptacle according to one embodiment of the present invention;
FIG. 6 is a cross-sectional view of the engagement of the stop member with the sensor receptacle of FIG. 5;
FIG. 7 is a schematic illustration of the engagement of the insert with the bumper of FIG. 5;
FIG. 8 is a schematic view of the construction of an implant applicator in a working completion state according to an embodiment of the present invention;
FIG. 9 is a schematic view of an implant applicator in an initial state according to an embodiment of the present invention;
FIG. 10 is a schematic view of the components within the housing in a fully operational state of the implant applicator according to an embodiment of the present invention;
FIG. 11 is a cross-sectional view of section B-B of FIG. 10;
FIG. 12 is a cross-sectional view of section C-C of FIG. 10;
FIG. 13 is a schematic view of the placement of parts within an upper shell in an implant applicator according to an embodiment of the present invention;
FIG. 14 is a schematic view of the mating of an implant assembly housing with a sensor receptacle according to an embodiment of the present invention;
FIG. 15 is a schematic view of the structure of a latch according to an embodiment of the present invention;
fig. 16 is a perspective view of an implant applicator according to an embodiment of the present invention, taken along section A-A.
Reference numerals:
the applicator 1 is implanted such that,
Applicator housing 11, upper housing 111, boss 1111, lower housing 112, implant assembly 12, implant housing 121, sensor 122, soft needle 1221, sensor receiving portion 123, receiving slot 1231, sensor snap fit portion 1232,
The insertion member 13, the slideway 131, the needle 132,
The energy storage member 14,
The actuator 15, the projection 151, the receiving space 152, the stopper 153,
The push button 16, the abutment 161,
The locking member 17, the engagement portion 171, the trigger member 172,
The buffer member 18, the abutment surface 181, the buffer leg 182, the catch 183,
Safety 19, limit 101.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
An implant applicator 1 according to an embodiment of the present invention is described below with reference to fig. 1-16.
As shown in fig. 1-5, an implant applicator 1 according to the present invention includes an applicator housing 11, an implant assembly 12, an insert 13, and an energy storage member 14. Wherein the implant assembly 12 is releasably disposed on the applicator housing 11 and the insert 13 is reciprocally disposed within the applicator housing 11 and adapted to move at least a portion of the implant assembly 12, energy stored in the energy storage member 14, and energy in the energy storage member 14 is selectively released to drive the insert 13 to reciprocate.
The implant applicator 1 according to the invention may implant part of the elements of the implant assembly 12 under the skin of a human body in a minimally invasive manner. Wherein the front end of the insert 13 may be used to pierce the skin of a person, the insert 13 pierces the skin of the person during movement of the insert 13 towards the outside away from the applicator housing 11 and brings at least part of the implant assembly 12 under the skin of the person, and the insert 13 is then moved towards the inside of the applicator housing 11 to retract into the inside of the applicator housing 11.
The applicator housing 11 can be used as a hand-held part of a user, the energy storage member 14 and the insertion member 13 are arranged in the applicator housing 11, the applicator housing 11 can be wrapped on the periphery of the insertion member 13 when the implantation process of the implantation applicator 1 is not performed, the insertion member 13 is prevented from being exposed, and the insertion member 13 is kept from being polluted by the outside.
As shown in fig. 1 and 3, implant assembly 12 is disposed on applicator housing 11, and implant assembly 12 is detachably disposed between applicator housing 11. The lower side wall of the implantation assembly 12 can be closely attached to the skin of the human body during the implantation of the implantation applicator 1, and the implantation assembly 12 is detached from the applicator housing 11 after the implantation of the implantation applicator 1 is completed, and the implantation assembly 12 is attached to the skin of the human body and remains fixed to the skin.
In the process of implanting the implantation applicator 1, the energy in the energy storage piece 14 is released to drive the insertion piece 13 to reciprocate, the energy storage piece 14 is used as the only power source of the implantation applicator 1, one energy storage piece 14 is used for driving the insertion piece 13, and two processes of inserting the insertion piece 13 into the skin of a human body and retracting the insertion piece are achieved.
According to the implantation applicator 1, the energy storage element 14 is arranged to drive the insertion element 13 to reciprocate, so that the number of parts in the implantation applicator 1 is reduced, and the cost of the implantation applicator 1 is reduced; at the same time, the insert 13 is driven only by the energy storage member 14, and the reciprocating movement process of the insert 13 is consistent, thereby improving the reliability of the implantation applicator 1.
According to one embodiment of the invention, the implant applicator 1 further comprises an actuator 15, the actuator 15 being connected to the energy accumulating member 14 and being adapted to drive the insert 13 to reciprocate under the influence of the energy accumulating member 14.
As shown in fig. 3, according to one embodiment of the present invention, the energy storage member 14 is adapted to drive the actuator 15 to rotate to reciprocate the insert 13, during the rotation of the actuator 15, a point far from the rotation center of the actuator 15 moves circumferentially, and the actuator 15 can drive the insert 13 by moving away from the point on the rotation center of the actuator 15, since the insert 13 is restrained in the applicator housing 11 and the insert 13 can reciprocate linearly only in a predetermined direction, the insert 13 is driven by a point on the actuator 15 which moves circumferentially, during the rotation of the actuator 15, the point can drive the insert 13 to move toward the outside of the applicator housing 11, and when the point on the actuator 15 rotates to a position coinciding with the movement track of the insert 13, the insert 13 moves to a limit position, continues to rotate the actuator 15, and resets the insert 13 by the point, thereby realizing the reciprocation of the insert 13.
The driving of the insert 13 can be realized by driving the actuator 15 to rotate through the energy storage member 14, so that the implant applicator 1 according to the invention realizes the reciprocating movement process of the insert 13 only under the driving of one energy storage member 14, the number of parts of the implant applicator 1 is reduced, the cost of the implant applicator 1 is reduced, and the movement consistency of the insert 13 is ensured.
In another embodiment of the invention the actuator 15 may be configured as a rack and pinion mechanism, on which a protrusion may be provided, the insert 13 being constrained within the applicator housing 11 for reciprocal movement only in a defined direction, the protrusion being arranged to move circumferentially on the insert 13 during rotation of the gear and to drive the insert 13 to reciprocate, in which embodiment the energy storage member 14 may be configured as a spring connected to one end of the rack.
In other embodiments, the actuator 15 may be configured in other types of structures, which are not limited thereto.
As shown in fig. 11-13, according to one embodiment of the present invention, the insert 13 is provided with a slide 131, and the actuator 15 is provided with a protrusion 151 movable in the slide 131, the protrusion 151 being adapted to cooperate with the slide 131 during rotation of the actuator 15 to cause the actuator 15 to drive the insert 13 to reciprocate.
The actuator 15 may be provided at either side of the insert 13, and in the embodiment of fig. 1, the actuator 15 is provided at a side of the insert 13 near the upper case 111, the slide 131 is provided in a surface of the insert 13 facing the upper case 111, the insert 13 extends in the front-rear direction, and the insert 13 may reciprocate in the front-rear direction, wherein the slide 131 may extend in the left-right direction of the insert 13; the side of the actuator 15 facing the slideway 131 is provided with a projection 151, the projection 151 being adapted to cooperate with the slideway 131. During rotation of the actuator 15, the projection 151 may move within the chute 131 and push the side wall of the chute 131 to reciprocate the insert 13 in the front-rear direction.
When the energy storage member 14 drives the executing member 15 to rotate, the executing member 15 drives the protrusion 151 to do circular motion, the protrusion 151 abuts against the side wall close to the outer side in the slideway 131, the protrusion 151 pushes the insert 13 to move in the slideway 131 of the insert 13 in the process of moving outwards, the insert 13 is enabled to move towards the direction away from the applicator housing 11, after the insert 13 moves to the limit position, the protrusion 151 abuts against the side wall close to the inner side in the slideway 131, and pushes the insert 13 to move towards the inner side, and in the process of pushing the insert 13 to move inwards, the protrusion 151 moves in the slideway 131 of the insert 13.
As shown in fig. 1,3 and 13, according to one embodiment of the present invention, the actuating member 15 is configured in a disc-shaped structure rotatably provided in the applicator housing 11, a receiving space 152 is provided in the actuating member 15, and the energy storage member 14 is received in the receiving space 152 and connects the actuating member 15 with the applicator housing 11. The construction of the actuating member 15 in a disc-shaped structure can improve the stability of the rotation of the actuating member 15.
The protruding part 151 can be arranged on one side of the executing piece 15, which faces the slideway 131, in the rotating process of the executing piece 15, the protruding part 151 can effectively drive the inserting piece 13 to reciprocate, and the executing piece 15 is in a disc shape, so that the protruding part 151 can be ensured to stably drive the inserting piece 13, and the reciprocating movement stability of the inserting piece 13 is improved. The accommodating space 152 for accommodating the energy storage element 14 is arranged inside the actuating element 15, so that the arrangement between the energy storage element 14 and the actuating element 15 is more compact, the space utilization rate inside the implantation applicator 1 is improved, and the volume of the implantation applicator 1 is reduced.
As shown in fig. 3 and 13, according to an embodiment of the present invention, the energy storage member 14 is configured as a coil spring, one end of which is connected to the applicator housing 11, the other end of which is connected to the actuator 15, and which is wound in the receiving space 152 of the actuator 15, wherein the applicator housing 11 may be provided therein with a boss 1111 protruding into the receiving space 152 of the actuator 15, the boss 1111 may be located at the rotation center of the actuator 15, the inner end of which is fixed to the boss, the outer end of which is fixed to the actuator 15, and the coil spring may drive the actuator 15 to rotate when the coil spring is released, thereby reciprocating the insert 13, and the boss 1111 may secure the rotation stability of the actuator 15.
As shown in fig. 1, 3 and 13, according to one embodiment of the present invention, the applicator housing 11 is further provided with a button 16, the button 16 is movably disposed in the applicator housing 11, a limit portion 153 is disposed on an outer peripheral wall of the actuator 15, one end of the button 16 facing the actuator 15 is provided with a stop portion 161 cooperating with the limit portion 153, and in the case that the button 16 is not pressed, the stop portion 161 is stopped against the limit portion 153 and limits rotation of the actuator 15, and elastic potential energy of the coil spring cannot be released; when the button 16 is pressed, the abutment portion 161 on the button 16 moves toward the inside of the applicator housing 11 and is offset from the limit portion 153, and the abutment portion 161 and the limit portion 153 are disengaged, at this time, the actuator 15 can rotate, the elastic potential energy of the coil spring is released, the actuator 15 is driven to rotate, and the actuator 15 is driven to reciprocate the insert 13.
As shown in fig. 3, according to one embodiment of the present invention, the implant applicator 1 is further provided with a safety 19, the safety 19 being movably provided on the applicator housing 11 back and forth, the safety 19 having a locked state in which the safety 19 restricts movement of the button 16 and an unlocked state in which the safety 19 is disengaged from the button 16, the button 16 being freely movable. By providing the safety 19, false bumps of the implant applicator 1 can be avoided, and the safety of the implant applicator 1 is improved.
As shown in fig. 3, 4, 8 and 9, according to one embodiment of the present invention, the implant assembly 12 includes an implant housing 121, a sensor 122 and a sensor receiving portion 123, the implant housing 121 being detachably disposed on the applicator housing 11, the sensor 122 being detachably disposed at a front end of the insert 13, the sensor receiving portion 123 being disposed on the implant housing 121, wherein the sensor 122 is disengaged from the insert 13 and engaged with the sensor receiving portion 123 after the insert 13 is moved to a limit position.
When the insert 13 moves toward the outside in the applicator housing 11, the insert 13 simultaneously carries the sensor 122 and moves toward the outside, the needle 132 provided at the front end of the insert 13 brings the soft needle 1221 carrying the sensor 122 under the skin of the human body, and when the insert 13 moves to the limit position, the sensor 122 is fitted and fixed with the sensor accommodating portion 123, and then the insert 13 continues to move toward the inside of the applicator housing 11, the insert 13 is separated from the sensor 122, the needle 132 of the insert 13 is pulled out from the skin of the human body, and the soft needle 1221 of the sensor 122 remains in the skin of the human body after being separated from the insert 13.
As shown in fig. 14, a sensor accommodating groove 1231 for accommodating the sensor 122 is provided in the sensor accommodating portion 123, and a sensor engaging portion 1232 is provided on the bottom wall of the sensor accommodating groove 1231. The sensor 122 is moved toward the outside by the pushing of the insert 13, and when the insert 13 is moved to the limit position, the sensor 122 is entered into the sensor receiving groove 1231, and the sensor locking portion 1232 is locked with the sensor 122, and during the resetting of the insert 13, the sensor 122 can be held in the sensor receiving groove 1231, and the needle 132 of the insert 13 is disengaged from the soft needle 1221 and retracted into the interior of the applicator housing 11. By providing the sensor locking portion 1232, the sensor 122 can be locked with the sensor 122 after entering the sensor accommodating groove 1231, so as to ensure that the sensor 122 does not move towards the inner side of the applicator housing 11 under the driving of the insert 13, thereby keeping the soft needle 1221 of the sensor 122 in a state of being inserted under the skin of a human body, and improving the implantation reliability of the implantation applicator 1 on the sensor 122.
As shown in fig. 3-7, according to one embodiment of the present invention, the sensor housing 123 is rotatably disposed on the implant housing 121, and the stop 101 is disposed on the applicator housing 11 or the insert 13, the stop 101 being adapted to maintain the angle between the sensor housing 123 and the implant housing 121. Wherein, the included angle kept between the sensor accommodation part 123 and the implant housing 121 is a, and a satisfies: 15 DEG < a < 90 deg.
As shown in fig. 3 and 4, according to one embodiment of the present invention, the sensor receiving portion 123 may be configured to be rotatably disposed in the implant housing 121, the stopper 101 is disposed in the applicator housing 11, and the stopper 101 is adapted to limit an angle between the sensor receiving portion 123 and the implant housing 121, wherein the stopper 101 may be configured as a stopper rib disposed on the housing, and when the implant assembly 12 is disposed in the applicator housing 11, the sensor receiving portion 123 and the implant housing 121 are disposed obliquely, and the stopper rib maintains the angle between the sensor receiving portion 123 and the implant housing 121 between 15 ° and 90 °, so that, on one hand, an insertion angle of the needle 132 at the front end of the insert 13 is ensured, an angle between the insert 13 and the skin of a human body is prevented from being too small, and a difficulty in penetration of the needle into the skin of the human body is reduced; on the other hand, the angle between the sensor receiving portion 123 and the implant housing 121 is maintained in the range of 15 ° to 90 °, and the insertion within this angle range ensures stable insertion of the needle under the skin of the human body. In one embodiment of the present invention, the insert 13 carries the soft needle 1221 to a depth of typically about three millimeters below the skin of the human body, with less pain even if inserted vertically into the human body.
The sensor accommodating part 123 is located at the end of the moving track of the insert 13, so as to ensure that the sensor 122 can be in clamping fit with the sensor accommodating part 123 when the insert 13 moves to the limit position; the implant housing 121 and the sensor receiving portion 123 have a certain angle therebetween, so that the bottom wall of the implant housing 121 can be attached to the skin of the human body, and then the insert 13 and the skin of the human body can have a certain inclination angle therebetween, so that the needle 132 carried by the insert 13 can conveniently pierce the skin of the human body.
Still further, in some embodiments of the present invention, the applicator housing 11 may be configured as an upper case 111 and a lower case 112, and the stopper 101 may be configured as stopper ribs provided on the upper case 111 and the lower case 112, respectively, and the stopper ribs provided on the upper case 111 and the stopper ribs provided on the lower case 112 may cooperate with two sidewalls of the sensor housing 123 facing each other in the thickness direction, respectively, to stopper the sensor housing 123 from both directions to maintain an angle between the sensor housing 123 and the implant housing 121.
In another embodiment of the present invention, as shown in fig. 5-7, a stop 101 is provided at the front end of the insert 13, the stop 101 being configured as a stop rib provided at the bottom wall of the insert 13 and extending towards the front side, the top wall of the stop rib being in abutment with a portion of the bottom wall of the sensor housing 123 to ensure that the angle between the sensor housing 123 and the implant housing 121 is maintained during the transition of the implant applicator 1 from the initial state to the working state.
Further, the implant assembly 12 and the skin of the human body can be bonded and fixed, in this embodiment, the limiting ribs are abutted against a portion of the bottom wall of the sensor accommodating portion 123, so that in the process of separating the applicator housing 11 from the implant assembly 12, the contact area between the limiting member 101 and the sensor accommodating portion 123 is reduced, the friction between the limiting member 101 and the sensor accommodating portion 123 is reduced, and the situation that the applicator housing 11 and the implant assembly 12 are separated from each other is avoided, and the applicator housing 11 drives the implant assembly 12 to move towards the side far away from the skin of the human body, so that the bonding between the implant assembly 12 and the skin of the human body is ensured to be firm.
As shown in fig. 15 and 16, the implant applicator 1 further comprises a locking member 17, the locking member 17 being arranged within the applicator housing 11 and being adapted to lock or unlock the implant housing 121 from the applicator housing 11, wherein the locking member 17 unlocks the implant housing 121 from the applicator housing 11 after the insert 13 has been moved to the extreme position, according to one embodiment of the invention. The locking member 17 prevents the implant assembly 12 from being disengaged from the applicator housing 11 when the implant applicator 1 is not in operation, and also unlocks the implant assembly 12 from the applicator housing 11 when the implant applicator 1 is in operation, and allows the implant assembly 12 to be disengaged from the applicator housing 11 after the insert 13 has been moved to the limit position.
As shown in fig. 1, 8 and 9, according to one embodiment of the present invention, the implant applicator 1 further comprises a bumper 18, said bumper 18 being detachably arranged to said insert 13.
The bumper 18 is configured to reduce the impact of the insert 13 on the applicator housing 11 when the insert 13 is moved outwardly, and to disengage from the insert 13 when the insert 13 is reset. The buffer member 18 may be disposed at a front end of the insert 13, the sensor 122 may be disposed at a front side of the buffer member 18, the insert 13 drives the buffer member 18 to move when the insert 13 moves away from the applicator housing 11, the buffer member 18 may contact ribs in the applicator housing 11 and buffer the insert 13 during movement of the insert 13 to a limit position, the speed of the insert 13 is reduced to reduce pain of the insert 13 during insertion into human skin, the buffer member 18 may be held at the limit position by snap-fit engagement with the applicator housing 11 during resetting of the insert 13, and the sensor 122 disposed at the front end of the buffer member 18 may also be held at the limit position, and the buffer member 18 restricts movement of the sensor 122 during resetting of the insert 13 to separate the sensor 122 from the insert 13.
According to one embodiment of the invention, the front end of the bumper 18 is provided with a bumper foot 182, the bumper foot 182 being configured in an arc, a rib being provided in the applicator housing 11 which abuts the bumper foot 182, the bumper foot 182 abutting the rib when the bumper 18 is moved to the outermost end to cushion the impact force of the insert 13. Two sides of the rear end of the buffer member 18 are provided with clamping feet 183, ribs matched with the clamping feet 183 are arranged in the applicator shell 11, and after the clamping feet 183 are matched with the ribs, the buffer member 18 can be limited to move towards the interior of the applicator shell 11, so that the buffer member 18 and the insert member 13 can be ensured to be separated stably.
As shown in fig. 15 and 16, according to an embodiment of the present invention, the locking member 17 includes a catching portion 171 and a triggering member 172, wherein the catching portion 171 is rotatably provided in the applicator housing 11, one end of the triggering member 172 is located in a moving track of the insertion member 13, and the other end of the triggering member 172 is connected to the catching portion 171; wherein the buffer 18 is adapted to compress the trigger 172 when the insert 13 is not moved outwardly such that the clamping portion 171 locks the implant housing 121 and release the trigger 172 when the insert 13 is moved outwardly such that the clamping portion 171 unlocks the implant housing 121. The buffer element 18 is provided with an abutment surface 181 which abuts against the trigger element 172, the abutment surface 181 being configured to press against the trigger element 172 when the insert 13 is not moved outwards.
The clamping protrusion is arranged on the clamping portion 171, the clamping groove matched with the clamping protrusion is arranged on the implant housing 121, and the implant housing 121 is limited by the matching of the clamping protrusion and the clamping groove, so that the implant housing 121 and the applicator housing 11 are prevented from being separated from being matched when not in operation, and the implant housing 121 can be stably arranged on the applicator housing 11.
As shown in fig. 15 and 16, the locking portion 171 is rotatably disposed in the applicator housing 11, the trigger member 172 is disposed on the upper side of the locking portion 171, and when the implant applicator 1 is not in operation, the buffer member 18 is pressed against the upper surface of the trigger member 172, so as to ensure that the locking portion 171 cannot rotate, wherein at least part of the buffer member 18 is configured as the above-mentioned abutment surface 181, and the abutment surface 181 can keep the locking portion 171 in locking engagement with the implant housing 121 to lock the implant housing 121 with the applicator housing 11. During the movement of the insert 13, the buffer member 18 no longer presses the trigger member 172, so that the clamping portion 171 can rotate, and simultaneously, along with the movement of the buffer member 18, the side wall of the buffer member 18 facing the front end contacts the trigger member 172, and pushes the trigger member 172, so that the trigger member 172 drives the clamping portion 171 to rotate, the clamping portion 171 is no longer locked with the implant housing 121 after rotating, the implant housing 121 is disengaged from the applicator housing 11, the sensor 122 is fed into the sensor accommodating portion 123 after the insert 13 performs the insertion action, and the implant housing 121 and the applicator housing 11 are synchronously unlocked.
After the implant housing 121 is unlocked from the applicator housing 11, the user holds the applicator housing 11 away from the implant housing 121, and the sensor receiving portion 123 can be adjusted by gravity or manually to an angle with the implant housing 121, so that the surface of the sensor receiving portion 123 is flush with the surface of the implant housing 121. An adhesive suitable for adhering to the skin may be provided on the side of the implant housing 121 facing the skin of the human body to ensure that the implant housing 121 adheres to the skin of the human body and that the implant assembly 12 is stably disposed on the skin of the human body.
As shown in fig. 3 and 4, according to one embodiment of the present invention, the front end of the insert 13 is provided with a needle 132, and when the insert 13 is moved outwardly to the extreme position, the needle 132 pierces the skin of the patient and carries at least part of the sensor 122 below the skin of the patient, and during the resetting of the insert 13, the sensor 122 is disengaged from the insert 13 and snapped into the sensor receiving portion 123.
The needle 132 provided at the front end of the insertion member 13 is configured as a hollow needle, a soft needle 1221 adapted to be inserted under the skin is provided in the sensor 122, the soft needle 1221 is adapted to collect information of a patient, the needle 132 of the insertion member 13 passes through the buffer member 18 and the sensor 122, respectively, and the soft needle 1221 provided on the sensor 122 is accommodated inside the needle 132, wherein one side of the needle 132 is provided with a through groove provided along the moving direction of the needle 132, and the soft needle 1221 can be provided inside the needle 132 through the through groove.
The soft needle 1221 may be carried under the patient's skin after the needle 132 pierces the patient's skin, and the buffer 18 may maintain the position of the sensor 122 and keep the soft needle 1221 under the patient's skin during movement of the needle 132 with the insert 13 toward the interior of the applicator housing 11, while the insert 13 carries the needle 132 out of engagement with the soft needle 1221, allowing the soft needle 1221 to be returned to the interior of the applicator housing 11.
According to one embodiment of the present invention, the applicator housing 11 is constructed in a split-up and down structure, wherein the applicator housing 11 may include an upper case 111 and a lower case 112, and the boss 1111 is provided in the upper case 111, and the manufacturing of the implant applicator 1 may be facilitated by constructing the applicator housing 11 in a split-up structure.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. In the description of the invention, a "first feature" or "second feature" may include one or more of such features. In the description of the present invention, "plurality" means two or more. In the description of the invention, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween. In the description of the invention, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. An implant applicator, comprising:
the housing of the applicator is provided with a plurality of openings,
An implant assembly detachably disposed to the applicator housing; the implant assembly comprises an implant housing, a sensor and a sensor accommodating part, wherein the implant housing is detachably arranged on the applicator housing, and the sensor accommodating part is arranged on the implant housing;
An insert reciprocally disposed within said applicator housing and adapted to move at least a portion of said implant assembly; the sensor is detachably arranged at the front end of the insert; wherein the sensor disengages from the insert after the insert is moved to an extreme position and mates with the sensor receptacle;
an energy storage member having energy stored therein, the energy in the energy storage member being selectively releasable to drive the insert to reciprocate;
A buffer member detachably disposed to the insert member;
A locking member disposed within the applicator housing and adapted to lock or unlock the implant housing from the applicator housing; the locking piece comprises a clamping part and a triggering piece, the clamping part is rotatably arranged in the shell of the applicator, one end of the triggering piece is positioned in the moving track of the buffer piece, and the other end of the triggering piece is connected with the clamping part;
The bumper further includes an abutment surface to lock the implant housing with the applicator housing, the abutment surface abutting the trigger, the abutment surface configured to compress the trigger when the insert is not moved outwardly; along with the movement of the buffer piece, the side wall of the buffer piece facing to the front end is contacted with the trigger piece, and pushes the trigger piece to enable the trigger piece to drive the clamping part to rotate.
2. The implant applicator of claim 1, further comprising: the actuating piece is connected with the energy storage piece and is suitable for driving the insert piece to reciprocate under the action of the energy storage piece.
3. The implant applicator of claim 2, wherein the energy storage member is adapted to drive rotation of the actuating member to effect reciprocal movement of the insert.
4. An implant applicator according to claim 3, wherein the insert is provided with a ramp and the actuator is provided with a protrusion movable within the ramp.
5. The implant applicator of claim 4, wherein the actuating member is configured as a disc-shaped structure rotatably disposed within the applicator housing, the actuating member having a receiving space disposed therein, the energy storage member being received in the receiving space and connecting the actuating member to the applicator housing.
6. The implant applicator of claim 5, wherein the energy storage member is configured as a coil spring, one end of the coil spring being connected to the applicator housing, the other end of the coil spring being connected to the actuating member.
7. The implant applicator of claim 1, wherein the sensor receptacle is rotatably disposed on the implant housing, and wherein the applicator housing or the insert is provided with a stop adapted to maintain an angle between the sensor receptacle and the implant housing.
8. The implant applicator of claim 7, wherein the angle maintained between the sensor receptacle and the implant housing is a, and a satisfies: 15 DEG < a < 90 deg.
9. The implant applicator of any one of claims 1-8, wherein the forward end of the insert is provided with a needle that passes through the bumper and the sensor, the sensor being at least partially received in the needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651905.8A CN110338888B (en) | 2019-07-18 | 2019-07-18 | Implant applicator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651905.8A CN110338888B (en) | 2019-07-18 | 2019-07-18 | Implant applicator |
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| CN110338888A CN110338888A (en) | 2019-10-18 |
| CN110338888B true CN110338888B (en) | 2024-05-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113499126B (en) * | 2021-06-28 | 2022-07-19 | 苏州百孝医疗科技有限公司 | Implanter and implantation method |
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| CN110338888A (en) | 2019-10-18 |
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