CN113017816A - Novel knee joint nail puller - Google Patents
Novel knee joint nail puller Download PDFInfo
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- CN113017816A CN113017816A CN202110218251.7A CN202110218251A CN113017816A CN 113017816 A CN113017816 A CN 113017816A CN 202110218251 A CN202110218251 A CN 202110218251A CN 113017816 A CN113017816 A CN 113017816A
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- pin
- jack
- installation pole
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
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- Orthopedic Medicine & Surgery (AREA)
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- Heart & Thoracic Surgery (AREA)
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Abstract
The utility model relates to a new-type knee joint nail puller relates to medical instrument's field, including the installation pole and articulate the handle of installation pole one side, installation pole one end is seted up the confession and is not taken cap pin male jack, the installation pole is seted up the one end of jack seted up with the storage tank of jack intercommunication, the storage tank supplies the hood of taking the cap pin to insert, be provided with fixedly on the handle the pin is in the first mounting of jack intermediate position, be provided with fixedly on the handle the hood is in the second mounting of storage tank intermediate position. The application has the effects that the cap-contained pin can be pulled out and the cap-contained pin can not be taken out through one pin puller, and the operation efficiency is improved.
Description
Technical Field
The application relates to the field of medical equipment, in particular to a novel knee joint nail puller.
Background
In the process of knee joint operation, pins are needed to fix the osteotomy instrument, the pins are driven into bones, so that the osteotomy instrument is fixed on the bones needing to be cut, and after necrotic bone is cut, the pins need to be pulled out by a pin puller. While currently used pins include both capped and uncapped pins.
In the prior art, in the process of using the nail puller to pull out the pin, two different types of nail pullers are needed for the nail with a cap and the nail without the cap, so that an operating instrument needs to be replaced circularly in the operation process, the operation is very troublesome, and the operation efficiency is low.
Disclosure of Invention
In order to meet the requirement that the pin with the cap and the pin without the cap can be pulled out through one nail puller and improve the operation efficiency, the application provides a novel knee joint nail puller.
The application provides a new-type knee joint nail puller adopts following technical scheme:
the novel knee joint nail puller comprises an installation rod and a handle hinged to one side of the installation rod, wherein a jack for inserting a cap pin is arranged at one end of the installation rod, a containing groove communicated with the jack is formed in one end of the jack, a top cap with a cap pin is inserted into the containing groove, a first fixing piece for fixing the pin in the middle of the jack is arranged on the handle, and a second fixing piece for fixing the top cap in the middle of the containing groove is arranged on the handle.
By adopting the technical scheme, when the pin without the cap needs to be pulled out, the end part of the pin is directly inserted into the jack, and then the position of the pin in the jack can be fixed through the first fixing piece; when the pin with the cap needs to be pulled out, one end of the pin with the cap, with the top cap is directly inserted into the accommodating groove, and the position of the top cap in the accommodating groove is fixed through the second fixing piece. Then the doctor direct manipulation handle and installation pole are to keeping away from the direction application of force of pin, just can extract the pin, realize moving back the nail, can move back the nail through a instrument to taking the cap pin, also can move back the nail to taking not taking the cap pin, and the operation is very simple, need not the change surgical instruments of operation in-process circulation, has improved operation efficiency greatly.
Optionally, the first fixing member includes a fixture block fixedly connected to one side of the mounting rod facing the handle, the fixture block is located on one side of the mounting rod facing away from the jack of the mounting rod, and an avoiding groove communicated to the jack and used for embedding the fixture block is formed in one side of the mounting rod facing the handle.
Through adopting above-mentioned technical scheme, when operating handle rotated around the articulated shaft with the installation pole, the handle will drive the fixture block and slide in dodging the groove to slide to the jack in, and the butt is on the lateral wall of the pin that is arranged in the jack, thereby with the pin centre gripping between fixture block and jack inside, realize the fixed of not taking the cap pin.
Optionally, one side of the clamping block, which is far away from the handle, is semicircular.
Through adopting above-mentioned technical scheme for when fixing the position of pin in the jack through the fixture block, exert the power on the pin more concentrated, thereby more firm to the pin centre gripping.
Optionally, the installation pole orientation one side of handle seted up with the spout of storage tank intercommunication, the second mounting includes sliding connection and is in slider and rigid coupling in the spout are in the slider orientation the connecting block of handle one side, seted up the confession area on the slider the spacing hole that the hood passed, the connecting block is kept away from one side of slider with the handle is connected, in order to pass through the rotation of handle drives the slider is in slide in the spout.
Through adopting above-mentioned technical scheme, when the cap pin is extracted to needs, directly place the hood of cap pin in the storage tank, then operating handle rotates around the articulated shaft with the installation pole, and the handle will drive the slider through the connecting block and slide in the spout, and at this moment, the hood will be by the centre gripping between the inner wall in spacing hole and the inner wall of storage tank to fix the position of cap pin in the storage tank.
Optionally, the width of spout is greater than the thickness of slider, the connecting block with the handle is articulated, the connecting block is kept away from one side of slider with the articulated shaft of handle with the articulated shaft dislocation set of installation pole.
Through adopting above-mentioned technical scheme, when operating handle rotated around the articulated shaft with the installation pole, the handle will drive the slider through the connecting block and slide in the spout, and gliding direction is circular-arc, and the width of spout is greater than the thickness of slider for the slider can be smooth slide in the spout, the dead phenomenon of card can not appear.
Optionally, a clamping hole communicated with the limiting hole is formed in the sliding block, the clamping hole is located in one side, away from the connecting block, of the limiting hole, and the diameter of the clamping hole is smaller than that of the limiting hole and larger than that of the pin.
Through adopting above-mentioned technical scheme, when operating handle rotated around the articulated shaft with the installation pole, the connecting block will drive the slider and slide in the spout, and the pin that is arranged in spacing hole this moment will slide to the card hole in, and the position of pin in the standing groove can be fixed to the inner wall through the inner wall standing groove in card hole, and because the diameter in card hole is less than the diameter in spacing hole, so can increase the area of contact of slider and pin for the pin is fixed more stably.
Optionally, a spring is fixedly connected between the mounting rod and the handle, and the spring is located at one end, away from the jack, of the hinge shaft of the mounting rod and the handle.
Through adopting above-mentioned technical scheme, rotate around the articulated shaft with the installation pole when operating handle to when the centre gripping pin, the handle will extrude the spring, when pulling out the pin, when need take off the pin from the nail puller, directly loosen the handle, will promote the handle and rotate around the articulated shaft opposite direction with the installation pole under the spring force effect, just can remove the fixed relation with the pin, it is more convenient to operate.
Optionally, one end of the mounting rod, which is away from the insertion hole, is fixedly connected with a force application rod.
Through adopting above-mentioned technical scheme, when meetting the harder patient of bone, when the pin is difficult to extract, can strike the application of force pole to the direction of keeping away from the pin through with the help of external instrument, just can extract the pin, can play the supplementary effect of moving back the nail, operate more laborsavingly.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the first fixing piece and the second fixing piece can respectively fix the position of the pin without the cap in the jack and the position of the pin with the cap in the accommodating groove, so that the pin without the cap and the pin with the cap can be respectively fixed and placed;
2. due to the arrangement of the spring, after the pin is pulled out, the handle is directly loosened, the pin can be automatically loosened under the action of the elastic force of the spring, and the operation is more convenient;
3. the setting of application of force pole for when moving back the nail, if patient's skeleton is harder when being difficult to move back the nail, can strike application of force pole with the help of external instrument, move back the nail convenient more laborsaving.
Drawings
FIG. 1 is a schematic illustration of a pin construction without a cap.
Fig. 2 is a schematic view of a pin structure with a cap.
Fig. 3 is a schematic view of the overall structure of the present application.
Fig. 4 is a cross-sectional view of fig. 3 for embodying the structure of the first and second fixing members.
Fig. 5 is an enlarged schematic view at a in fig. 4.
FIG. 6 is a schematic view of a second fastener construction.
Description of reference numerals: 1. a pin; 11. a top cap; 12. a bayonet; 2. mounting a rod; 21. a jack; 22. a containing groove; 23. an avoidance groove; 24. a chute; 25. mounting grooves; 3. a handle; 4. a first fixing member; 41. a clamping block; 5. a second fixing member; 51. a slider; 511. a limiting hole; 512. a clamping hole; 52. connecting blocks; 6. a force application rod; 7. a spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Referring to fig. 1, a pin 1 without a cap is commonly used at present. Referring to fig. 2, a currently commonly used pin 1 with a cap is provided, wherein two top caps 11 are fixedly connected to the top end of the pin 1, each of the two top caps 11 is circular, and the two top caps 11 are arranged at intervals, so that a bayonet 12 is formed between the two top caps 11.
The embodiment of the application discloses a novel knee joint nail puller. Referring to fig. 3 and 4, the nail puller includes an installation rod 2 and a handle 3 hinged on one side of the installation rod 2, one end of the handle 3 is hinged with one end of the installation rod 2, which is close to a hinge shaft with the handle 3, is provided with a jack 21 for inserting the nail 1 without the cap, one end of the installation rod 2, which is provided with the jack 21, is provided with a containing groove 22 for inserting the top cap 11 without the cap pin 1, and the containing groove 22 is located at an opening of the jack 21. Meanwhile, a first fixing piece 4 for fixing the position of the pin 1 without the cap in the insertion hole 21 is arranged on the handle 3, and a second fixing piece 5 for fixing the position of the top cap 11 in the accommodating groove 22 is arranged on the handle 3. When the novel nail puller is used, when the pin 1 without the cap needs to be pulled out, the pin 1 is directly inserted into the insertion hole 21, the position of the pin 1 in the insertion hole 21 is fixed through the first fixing piece 4, then the handle 3 and the mounting rod 2 are directly held by hands, force is applied in the direction far away from the pin 1, the pin 1 can be pulled out, and the nail puller for the pin 1 without the cap is realized. When the pin 1 with the cap needs to be pulled out, the top cap 11 of the pin 1 with the cap is directly inserted into the accommodating groove 22, the position of the top cap 11 in the accommodating groove 22 is fixed through the second fixing piece 5, and then a doctor directly holds the handle 3 and the mounting rod 2 by hand to apply force in the direction far away from the pin 1, so that the pin 1 with the cap can be pulled out. Through a nail puller, both can realize moving back the nail to not taking cap pin 1 also can realize moving back the nail to taking cap pin 1, the operation is more nimble. The surgical instruments do not need to be replaced circularly during the operation, and the operation efficiency is greatly improved.
Referring to fig. 4 and 5, the first fixing member 4 includes a fixture block 41 fixedly connected to one side of the handle 3 facing the mounting rod 2, wherein a hinge shaft between the mounting rod 2 and the handle 3 is located at a middle position of the length direction of the insertion hole 21, and an avoiding groove 23 communicated with the insertion hole 21 and used for embedding the fixture block 41 is formed in one side of the mounting rod 2 facing the handle 3, and when one end of the handle 3 far away from the accommodating groove 22 rotates around the hinge shaft with the mounting rod 2 and approaches the mounting rod 2, the fixture block 41 slides into the insertion hole 21 from the avoiding groove 23, so as to clamp and fix the pin 1 placed in the insertion hole 21. When withdrawing the nail, the one end that direct manipulation handle 3 kept away from jack 21 rotates around the articulated axial installation pole 2 direction with the installation pole, and fixture block 41 just can slide in dodging the groove 23 this moment to the butt is on the lateral wall of the pin 1 that is located jack 21, thereby with pin 1 centre gripping between fixture block 41 and jack 21 inner wall, realize the fixed of taking no cap pin 1.
Wherein, in order to be more firm with the centre gripping of pin 1, the one end that handle 3 was kept away from to fixture block 41 is semicircle form, can reduce the area of contact of fixture block 41 and pin 1 for it is compacter to the centre gripping of pin 1, also reduces the wearing and tearing that fixture block 41 caused to pin 1 lateral wall simultaneously.
Referring to fig. 5, a sliding groove 24 vertically communicated with the accommodating groove 22 is formed in one side, facing the handle 3, of the mounting rod 2, the sliding groove 24 is communicated with one side, facing away from the handle 3, of the mounting rod 2, the second fixing member 5 comprises a sliding block 51 slidably connected in the sliding groove 24 and a connecting block 52 fixedly connected to one end, facing the handle 3, of the sliding block 51, one side, far away from the sliding block 51, of the connecting block 52 is connected with the handle 3, a joint of the connecting block 52 and the handle 3 is located on one side, far away from the clamping block 41, of the hinge shaft of the handle 3 and the mounting rod 2, and meanwhile, a limiting. When putting into storage tank 22 with the hood 11 of cap pin 1, bayonet 12's position will be located spacing hole 511 on the pin 1, then operating handle 3 rotates around the articulated shaft with installation pole 2, and handle 3 just can drive slider 51 through connecting block 52 and slide in spout 24 for slider 51 card is in bayonet 12 department, thereby fixes the position of hood 11 in storage tank 22.
Wherein, the width of spout 24 is greater than the thickness of slider 51, and connecting block 52 is articulated with handle 3, and when handle 3 rotated around the articulated shaft with installation pole 2, handle 3 will drive slider 51 through connecting block 52 and slide in spout 24, and the slip orbit of slider 51 is circular-arc, and because the width of spout 24 is greater than the thickness of slider 51, so slider 51 can be smooth slide in spout 24, and the dead phenomenon of card can not appear.
Referring to fig. 5 and 6, in order to avoid unstable fixation caused by sliding of the top cap 11 in the accommodating groove 22 when the capped pin 1 is fixed in the accommodating groove 22 by the inner wall of the limiting hole 511, a clamping hole 512 communicated with the limiting hole 511 is formed in the slider 51, the clamping hole 512 is located on one side of the limiting hole 511 away from the connecting block 52, the diameter of the clamping hole 512 is smaller than that of the limiting hole 511 and larger than that of the pin 1, when the handle 3 drives the slider 51 to slide in the sliding groove 24 through the connecting block 52, the pin 1 located in the accommodating groove 22 slides into the clamping hole 512 from the limiting hole 511, so that the pin 1 is clamped between the inner wall of the clamping hole 512 and the inner wall of the accommodating groove 22, and since the inner diameter of the clamping hole 512 is smaller than that of the limiting hole 511, the contact area between the inner wall of the clamping hole 512 and the pin shaft is greatly increased, and the connection stability of the. Meanwhile, the opening of the clamping hole 512 can also avoid that when the position of the uncapped pin 1 in the insertion hole 21 is fixed through the clamping block 41, the handle 3 simultaneously drives the sliding block 51 to slide in the sliding groove 24, and the inner wall of the limiting hole 511 contacts with the uncapped pin 1 to influence the fixing of the uncapped pin 1.
Referring to fig. 4 and 5, the perpendicular rigid coupling of one end that deviates from jack 21 at installation pole 2 has application of force pole 6, application of force pole 6 is located installation pole 2 and keeps away from one side of handle 3, after fixing the position of round pin axle in jack 21 through first mounting 4 or fixing the position of hood 11 in storage tank 22 through second mounting 5, when doctor handheld handle 3 and installation pole 2 extract pin 1, if patient's sclerotin is harder, pin 1 is difficult to extract, can strike application of force pole 6 to the direction of keeping away from pin 1 with the help of external appurtenance, make it more convenient laborsaving to move back the nail.
Referring to fig. 4 and 5, a spring 7 is further fixedly connected between the mounting rod 2 and the handle 3, the spring 7 is located on a side of the fixture block 41 away from the connecting block 52, and a mounting groove 25 for the spring 7 to be inserted is formed on a side of the mounting rod 2 facing the handle 3. When the doctor holds the handle 3 and the installation rod 2 and fixes the position of the pin 1 in the jack 21 through the first fixing piece 4, or fixes the top cap 11 in the containing groove 22 through the second fixing piece 5, the handle 3 also extrudes the spring 7, when the pin 1 is pulled out, and the pin 1 needs to be taken down from the jack 21 or the containing groove 22, the doctor directly loosens the handle 3, under the elastic action of the spring 7, the handle 3 automatically rotates around the hinge shaft of the installation rod 2, so that the fixing of the first fixing piece 4 to the pin shaft is released, or the fixing of the second fixing piece 5 to the top cap 11 is released, and the operation is more convenient.
The implementation principle of a novel knee joint nail extractor in the embodiment of the application is as follows: when the pin 1 without the cap needs to be pulled out, one end of the pin 1 exposed to the outside is directly inserted into the jack 21, then the operating handle 3 rotates around the hinge shaft of the installation rod 2, so that one end, away from the jack 21, of the handle 3 is close to the installation rod 2, at the moment, the fixture block 41 also slides to the avoidance groove 23 and abuts against the side wall of the pin 1 in the jack 21, the position of the pin 1 in the jack 21 is fixed, meanwhile, the handle 3 also extrudes the spring 7, then a doctor directly holds the handle 3 and the installation rod 2 to apply force in the direction away from the pin 1, and the pin 1 can be pulled out, so that the pin withdrawing is realized. When the pin 1 with the cap needs to be pulled out, one end of the top cap 11 of the pin 1 with the cap is directly inserted into the accommodating groove 22, then the operating handle 3 rotates around the hinge shaft with the installation rod 2, so that one end, away from the connecting block 52, of the handle 3 is close to the installation rod 2, the handle 3 extrudes the spring 7, meanwhile, the handle 3 also drives the sliding block 51 to slide in the sliding groove 24 through the connecting block 52, and the position of the pin 1 with the cap in the accommodating groove 22 can be fixed until the inner wall of the clamping hole 512 is abutted against the outer wall of the bayonet 12 of the pin 1. Then, a doctor directly holds the handle 3 and the mounting rod 2 to apply force in the direction away from the pin 1, so that the pin 1 can be pulled out, and the pin withdrawing is realized. When moving back the nail in-process, meet that the patient's sclerotin is harder, when pin 1 is difficult to extract, directly strike application of force pole 6 with the help of external instrument to the direction of keeping away from pin 1, just can extract pin 1, the operation is more laborsaving. After the nail is removed, when the pin 1 needs to be taken down from the nail puller, the handle 3 is directly loosened, one end of the handle 3, which is far away from the pin 1, moves towards the direction far away from the mounting rod 2 under the action of the elastic force of the spring 7, so that the abutting relation between the fixture block 41 and the pin 1 is released or the clamping relation between the slide block 51 and the bayonet 12 is released, and the pin 1 can be directly taken down from the nail puller. Through an apparatus, both can move back the nail to taking cap pin 1, can move back the nail to not taking cap pin 1 again, need not to circulate in the operation in-process and change different apparatus, it is more convenient to operate, has improved operation efficiency greatly.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a new-type knee joint nail puller which characterized in that: including installation pole (2) and articulate handle (3) of installation pole (2) one side, installation pole (2) one end is seted up and is supplied not take cap pin (1) male jack (21), installation pole (2) are seted up the one end of jack (21) seted up with storage tank (22) of jack (21) intercommunication, storage tank (22) supply hood (11) of taking cap pin (1) to insert, be provided with on handle (3) fixedly pin (1) are in first mounting (4) of position in jack (21), be provided with on handle (3) fixedly hood (11) are in second mounting (5) of position in storage tank (22).
2. The novel knee joint nail extractor according to claim 1, characterized in that: first mounting (4) are in including the rigid coupling handle (3) orientation fixture block (41) of installation pole (2) one side, fixture block (41) are located handle (3) with the articulated shaft of installation pole (2) is kept away from one side that jack (21) were seted up in installation pole (2), installation pole (2) orientation one side of handle (3) seted up intercommunication to the confession of jack (21) avoid groove (23) of fixture block (41) embedding.
3. The novel knee joint nail extractor according to claim 2, characterized in that: one side of the clamping block (41) far away from the handle (3) is semicircular.
4. The novel knee joint nail extractor according to claim 1, characterized in that: installation pole (2) orientation one side of handle (3) seted up with spout (24) of storage tank (22) intercommunication, second mounting (5) are including sliding connection slider (51) and rigid coupling in spout (24) are in slider (51) orientation connecting block (52) of handle (3) one side, seted up on slider (51) and supply the area spacing hole (511) that hood (11) passed, connecting block (52) are kept away from one side of slider (51) with handle (3) are connected, in order to pass through the rotation of handle (3) drives slider (51) are in slide in spout (24).
5. The novel knee joint nail extractor according to claim 4, characterized in that: the width of spout (24) is greater than the thickness of slider (51), connecting block (52) are kept away from one side of slider (51) with handle (3) are articulated, connecting block (52) with the articulated shaft of handle (3) with the articulated shaft dislocation set of installation pole (2).
6. The novel knee joint nail extractor according to claim 5, characterized in that: the sliding block (51) is provided with a clamping hole (512) communicated with the limiting hole (511), the clamping hole (512) is located on one side, away from the connecting block (52), of the limiting hole (511), and the diameter of the clamping hole (512) is smaller than that of the limiting hole (511) and larger than that of the pin (1).
7. The novel knee joint nail extractor according to any one of claims 1-6, characterized in that: a spring (7) is fixedly connected between the installation rod (2) and the handle (3), and the spring (7) is positioned at one end, away from the hinge shaft of the installation rod (2) and the handle (3), of the installation rod (2) where the jack (21) is arranged.
8. The novel knee joint nail extractor according to any one of claims 1-6, characterized in that: and one end of the mounting rod (2) departing from the jack (21) is fixedly connected with a force application rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110218251.7A CN113017816B (en) | 2021-02-26 | 2021-02-26 | Novel knee joint nail puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110218251.7A CN113017816B (en) | 2021-02-26 | 2021-02-26 | Novel knee joint nail puller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113017816A true CN113017816A (en) | 2021-06-25 |
| CN113017816B CN113017816B (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110218251.7A Active CN113017816B (en) | 2021-02-26 | 2021-02-26 | Novel knee joint nail puller |
Country Status (1)
| Country | Link |
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| CN (1) | CN113017816B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712042A (en) * | 2022-06-10 | 2022-07-08 | 北京爱康宜诚医疗器材有限公司 | Lock clip extractor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379738A (en) * | 2011-09-19 | 2012-03-21 | 苏州欣荣博尔特医疗器械有限公司 | Spinal screw nailing device |
| CN105520779A (en) * | 2014-09-28 | 2016-04-27 | 北京纳通科技集团有限公司 | Nail pulling device |
| CN205586070U (en) * | 2016-03-29 | 2016-09-21 | 郭谦 | Operation of knee joint system is with pulling out nail extractor |
| CN209059410U (en) * | 2018-04-19 | 2019-07-05 | 保定康强医疗器械制造有限公司 | It is a kind of for directly following closely the nail-fetching device of taking-up |
| CN210811478U (en) * | 2019-08-14 | 2020-06-23 | 宽岳医疗器材（苏州）有限公司 | Nail pulling pliers and nail pulling pliers assembly |
-
2021
- 2021-02-26 CN CN202110218251.7A patent/CN113017816B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379738A (en) * | 2011-09-19 | 2012-03-21 | 苏州欣荣博尔特医疗器械有限公司 | Spinal screw nailing device |
| CN105520779A (en) * | 2014-09-28 | 2016-04-27 | 北京纳通科技集团有限公司 | Nail pulling device |
| CN205586070U (en) * | 2016-03-29 | 2016-09-21 | 郭谦 | Operation of knee joint system is with pulling out nail extractor |
| CN209059410U (en) * | 2018-04-19 | 2019-07-05 | 保定康强医疗器械制造有限公司 | It is a kind of for directly following closely the nail-fetching device of taking-up |
| CN210811478U (en) * | 2019-08-14 | 2020-06-23 | 宽岳医疗器材（苏州）有限公司 | Nail pulling pliers and nail pulling pliers assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712042A (en) * | 2022-06-10 | 2022-07-08 | 北京爱康宜诚医疗器材有限公司 | Lock clip extractor |
| CN114712042B (en) * | 2022-06-10 | 2022-10-14 | 北京爱康宜诚医疗器材有限公司 | Lock clip extractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113017816B (en) | 2022-06-14 |
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