CN111317556B - Nail taking device for orthopedics department - Google Patents
Nail taking device for orthopedics department Download PDFInfo
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- CN111317556B CN111317556B CN202010171716.3A CN202010171716A CN111317556B CN 111317556 B CN111317556 B CN 111317556B CN 202010171716 A CN202010171716 A CN 202010171716A CN 111317556 B CN111317556 B CN 111317556B
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- sleeve
- rod
- opening
- screw rod
- screw
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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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- 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
- A61B17/8875—Screwdrivers, spanners or wrenches
Abstract
The invention discloses a nail taking device for orthopedics department, which comprises a bracket, a screw rod, a composite sleeve, a propping sleeve rod and a propping rod; the support is provided with a plurality of support legs, the screw rod is arranged in the support, the screw rod is a hollow cylindrical tube, vertical grooves are symmetrically formed in the inner wall of one end of the screw rod, a hollow screw head is arranged at the other end of the screw rod, a screw sleeve is arranged on the screw head, connecting rods are symmetrically hinged to the end of the screw head, a clamping element is arranged at the end of each connecting rod, and connecting threads are formed in the outer wall, connected with the screw head, of the screw rod; the composite sleeve is arranged on the screw rod, the raised line is arranged in the chute, and the thread on the inner wall of the connecting sleeve is in fit connection with the connecting thread; the opening sleeve rod is arranged in the screw rod; the spreader bar is mounted in the spreader bar. The bone nail is easier to take out and is not easy to loosen, slip and break by increasing the acting force points acting on the bone nail.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a nail taking device for orthopedics.
Background
In an orthopedic operation, a steel plate and a bone nail are generally used for resetting and fixing bone blocks at a fracture part, so that dislocated bone blocks are closely connected together under the action of the steel plate and the bone nail, then the fractured bone blocks grow out and callus is healed together again after a long-time postoperative growth, internal fixation needs to be taken out 1 to 2 years after the operation so as to avoid rejection reaction and the like, the used bone nails comprise hollow bone nails, self-tapping bone nails, non-self-tapping bone nails and the like, a bone nail cap is clamped by a bone nail extractor to rotate in the whole taking-out process so as to take out the bone nails, in the taking-out process, when the bone nails are taken out for a period and then the bone nail extractor is continuously rotated, the stress points of the whole bone nails are small, the bone nails are easy to break, the bone nails are difficult to take out completely, the broken bone nails are more difficult to take out, and the fracture part is easy to injure again; when the hollow bone nail is taken out, only the stress point acts on the bone nail cap, so that the hollow bone nail is more easily broken; the bone nail extractor used at present only fixes the fixing cap, is easy to loosen and slip in the extracting process, and is difficult to extract the bone nail.
Disclosure of Invention
The invention aims to solve the problems and designs the nail taking device for orthopedics, which is easy to take out the bone nail and not easy to loosen, slip and break by increasing the acting force points acting on the bone nail.
In order to solve the above technical problems and achieve the above technical effects, the present invention is implemented by the following technical contents:
a nail-taking device for orthopedics comprises a bracket, a screw rod, a composite sleeve, a spreading sleeve rod and a spreading rod; the support is provided with a plurality of support legs, the center of the support is vertically provided with a cylindrical hollow groove, and a screw rod with a channel at the center is installed in the cylindrical hollow groove through threads; the end of the screw rod above the support is provided with a connecting ring, the inner wall of the screw rod is symmetrically provided with vertical grooves, the connecting ring is provided with an L-shaped rotating handle, the end of the screw rod below the support is provided with a cylindrical hollow screw head with the outer diameter smaller than that of the screw rod, a screw sleeve is arranged on the screw head through threads, the end of the screw head far away from the screw rod is symmetrically hinged with a connecting rod, the end of the connecting rod is provided with a clamping element, the outer wall of the end of the screw rod connected with the screw head is provided with connecting threads, the outer wall of the screw rod is symmetrically provided with sliding grooves; the composite sleeve is an integrally formed hollow cylindrical pipe and comprises a large sleeve and a small sleeve, the large sleeve and the small sleeve are coaxially connected to form a step shape, raised lines are symmetrically arranged in the inner wall of the large sleeve, compression grooves are symmetrically arranged on the outer wall of the small sleeve, arc-shaped compression pieces are symmetrically arranged in the compression grooves, the compression sleeve is mounted at the end of the small sleeve connected with the large sleeve through threads, and a connecting sleeve with threads on the inner wall is rotatably mounted at the end of the small sleeve far away from the large sleeve; the composite sleeve is arranged on the screw rod, the raised line is arranged in the chute, and the threads on the inner wall of the connecting sleeve are matched and connected with the connecting threads;
the opening sleeve rod is a hollow cylinder, the outer wall of one end of the opening sleeve rod is provided with a clamping strip, the outer wall of the other end of the opening sleeve rod is provided with anti-skidding threads, one end provided with the anti-skidding threads is symmetrically provided with opening grooves penetrating through the opening sleeve rod, the opening threads are arranged in the opening grooves, and the opening sleeve rod is installed in the screw rod in a matched mode through the clamping strip and the vertical groove;
the opening rod is a cylindrical rod with an opening thread arranged on the outer wall of one end, a rotating nut is arranged at the end far away from the opening thread, and the opening rod is installed in the opening sleeve rod.
Furthermore, the clamping piece is arc-shaped, and the end face of the clamping piece is provided with sawteeth.
Furthermore, a rubber layer is arranged on the end face, opposite to the screw rod, of the pressing piece.
Furthermore, the distraction sleeve rod is made of elastic metal.
Furthermore, the end of the opening rod provided with the opening thread is spherical and provided with the opening thread.
Furthermore, the screw, the composite sleeve, the opening sleeve rod and the opening rod are all provided with various specifications which are matched with each other.
Another object of the present invention is to provide a method for using the nail-removing device for orthopedics department:
wherein, when the hollow bone nail is taken out:
firstly, rotating the screw rod to move downwards to enable the clamping piece to be positioned on the bone screw cap, and rotating the threaded sleeve to enable the clamping piece to clamp the fixing cap;
step two, inserting the distraction sleeve rod into the hollow bone nail through a channel of the screw rod;
step three, rotatably inserting the opening rod into the opening sleeve rod;
step four, reversely rotating the screw rod to ascend to take out a part of the hollow bone nail;
fifthly, loosening the connecting sleeve downward movement composite sleeve to wrap the exposed hollow bone nail, and rotating the compressing sleeve to move downward to enable the compressing sheet to relatively move to clamp the bone nail;
step six, rotating the screw rod to ascend to take out the hollow bone nail;
wherein, when other solid bone nails are taken out:
firstly, rotating the screw rod to move downwards to enable the clamping piece to be positioned on the bone screw cap, and rotating the threaded sleeve to enable the clamping piece to clamp the fixing cap;
step two, rotating the screw rod reversely to ascend so as to take out a part of the bone nail;
step three, loosening the connecting sleeve downward movement composite sleeve to wrap the exposed bone nail, and rotating the compression sleeve to move downward to enable the compression sheet to relatively move to clamp the bone nail;
and step four, rotating the screw rod to ascend to take out the bone nail.
The invention has the beneficial effects that:
1. through setting up the tight bone nail cap of clamping piece to be equipped with the sawtooth at the terminal surface of clamping piece, can increase the steadiness that clamping piece and bone nail cap are connected, prevent to be not hard up, skid taking out the bone nail in-process.
2. Can use compound cover to press from both sides the part that the tight bone nail of clamp exposes after taking out partly bone nail through setting up compound cover, increase the tie point of bone nail and getting the nail device, make to get the nail device and be connected more firm with the bone nail, prevent to be not hard up, skid, the rupture taking out the bone nail in-process.
3. Inside strutting the loop bar, strutting the pole and inserting hollow bone nail through the setting, increase and the contact of hollow bone nail, fixed area, it is more firm to make to get the nail device and be connected with hollow bone nail, and struts the loop bar, struts the intensity that the pole can increase hollow bone nail, prevents to be in taking out bone nail in-process not hard up, skid, rupture.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of a nail-removing device for orthopedics department;
FIG. 2 is a schematic structural view of an opening sleeve rod and an opening rod of the nail taking device for orthopedics department;
FIG. 3 is a schematic diagram of a screw structure of a nail-removing device for orthopedics department;
FIG. 4 is a schematic diagram of a composite sleeve structure of a nail-removing device for orthopedics department;
FIG. 5 is a schematic structural view of a clamping member of the nail removing device for orthopedics department, which is disclosed by the invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-bracket, 101-leg, 102-cylindrical empty groove, 2-screw rod, 201-channel, 202-vertical groove, 203-sliding groove, 204-turnbuckle, 205-connecting rod, 206-clamping piece, 207-turnbuckle, 208-connecting thread, 209-sawtooth, 3-connecting ring, 301-turning handle, 4-composite sleeve, 401-convex strip, 402-pressing sleeve, 403-pressing sheet, 404-connecting sleeve, 405-large sleeve, 406-small sleeve, 5-spreading sleeve rod, 501-clamping strip, 502-anti-skid thread, 503-spreading groove, 6-spreading rod, 601-rotating nut, 602-spreading thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a nail-removing device for orthopedics department comprises a bracket 1, a screw rod 2, a composite sleeve 4, a spreading sleeve rod 5 and a spreading rod 6; a plurality of support legs 101 are arranged on the bracket 1, a cylindrical hollow groove 102 is vertically arranged in the center of the bracket 1, and a screw rod 2 with a channel 201 in the center is installed in the cylindrical hollow groove 102 through threads; the end of the screw rod 2 above the bracket 1 is provided with a connecting ring 3, the inner wall of the screw rod 2 is symmetrically provided with vertical grooves 202, the connecting ring 3 is provided with an L-shaped rotating handle 301, the end of the screw rod 2 below the bracket 1 is provided with a cylindrical hollow screw head 207 with the outer diameter smaller than that of the screw rod 2, a screw sleeve 204 is arranged on the screw head 207 through threads, the end of the screw head 207 far away from the screw rod 2 is symmetrically hinged with a connecting rod 205, the end of the connecting rod 205 is provided with a clamping piece 206, the outer wall of the end of the screw rod 2 connected with the screw head 207 is provided with a connecting thread 208, the outer wall of the screw rod 2 is symmetrically provided with a sliding groove 203 between the; the composite sleeve 4 is an integrally formed hollow cylindrical pipe, the composite sleeve 4 comprises a large sleeve 405 and a small sleeve 406, the large sleeve 405 and the small sleeve 406 are coaxially connected to form a ladder shape, convex strips 401 are symmetrically arranged in the inner wall of the large sleeve 405, compression grooves are symmetrically arranged on the outer wall of the small sleeve 406, arc-shaped compression pieces 403 are symmetrically arranged in the compression grooves, a compression sleeve 402 is arranged at the end of the small sleeve 406 connected with the large sleeve 405 through threads, and a connecting sleeve 404 with threads on the inner wall is rotatably arranged at the end of the small sleeve 406 far away from the large sleeve 405; the composite sleeve 4 is arranged on the screw rod 2, the convex strip 401 is arranged in the sliding groove 203, and the threads on the inner wall of the connecting sleeve 404 are matched and connected with the connecting threads 208;
the expanding sleeve rod 5 is a hollow cylinder, the outer wall of one end of the expanding sleeve rod is provided with a clamping strip 501, the outer wall of the other end of the expanding sleeve rod is provided with an anti-slip thread 502, one end provided with the anti-slip thread 502 is symmetrically provided with expanding grooves 503 which penetrate through the expanding sleeve rod 5 and are internally provided with expanding threads 602, and the expanding sleeve rod 5 is installed in the screw rod 2 in a matching way through the clamping strip 501 and the vertical groove 202;
the opening rod 6 is a cylindrical rod with an opening thread 602 on the outer wall of one end, a rotating nut 601 is arranged at the end far away from the opening thread 602, and the opening rod 6 is installed in the opening sleeve rod 5.
The clamping member 206 is circular arc-shaped and the end surface of the clamping member 206 is provided with serrations 209.
The end face of the pressing sheet 403 opposite to the screw 2 is provided with a rubber layer.
The spreading loop bar 5 is made of elastic metal.
The end of the opening rod 6 provided with the opening thread 602 is spherical and provided with the opening thread 602.
The screw rod 2, the composite sleeve 4, the opening sleeve rod 5 and the opening rod 6 are all provided with various specifications which are matched with each other.
A use method of the nail taking device for orthopedics comprises the following steps:
wherein, when the hollow bone nail is taken out:
firstly, rotating the screw rod to move downwards to enable the clamping piece to be positioned on the bone screw cap, and rotating the threaded sleeve to enable the clamping piece to clamp the fixing cap;
step two, inserting the distraction sleeve rod into the hollow bone nail through a channel of the screw rod;
step three, rotatably inserting the opening rod into the opening sleeve rod;
step four, reversely rotating the screw rod to ascend to take out a part of the hollow bone nail;
fifthly, loosening the connecting sleeve downward movement composite sleeve to wrap the exposed hollow bone nail, and rotating the compressing sleeve to move downward to enable the compressing sheet to relatively move to clamp the bone nail;
step six, rotating the screw rod to ascend to take out the hollow bone nail;
wherein, when other solid bone nails are taken out:
firstly, rotating the screw rod to move downwards to enable the clamping piece to be positioned on the bone screw cap, and rotating the threaded sleeve to enable the clamping piece to clamp the fixing cap;
step two, rotating the screw rod reversely to ascend so as to take out a part of the bone nail;
step three, loosening the connecting sleeve downward movement composite sleeve to wrap the exposed bone nail, and rotating the compression sleeve to move downward to enable the compression sheet to relatively move to clamp the bone nail;
and step four, rotating the screw rod to ascend to take out the bone nail.
For a more clear description of the invention, the following description is made with reference to specific embodiments:
example 1
The invention has the following specific application when being used as an orthopedic nail taking device to take hollow bone nails: when in use, the support with the support legs can enable the nail taking device to be relatively and stably propped against the corresponding position, the rotating handle is rotated to enable the screw rod to move downwards to the corresponding position of the bone nail under the action of the threads in the cylindrical empty groove, the clamping piece is clamped on the bone nail cap, the screw sleeve is rotated to move downwards to control the connecting rod to move relatively to enable the clamping piece to clamp the bone nail cap, the spreading sleeve rod is inserted into the hollow bone nail from the channel of the screw rod, the spreading sleeve rod with proper length is selected according to the length of the hollow bone nail, the clamping strip at the end of the spreading sleeve rod is positioned in the vertical groove, the spreading rod is inserted into the spreading sleeve rod, the spreading sleeve rod is outwards spread and propped against the inner wall of the hollow bone nail under the action of the spreading threads, the rotating handle is rotated to enable the screw rod to move upwards slowly to take out the hollow bone nail, in the process of taking out the hollow bone nail, when the hollow bone nail is taken out for a section, the connecting sleeve is unscrewed to move downwards along the, the rotating handle is continuously rotated to enable the screw rod to ascend so as to take out the hollow bone nail; through spout and sand grip cooperation and compact disc, make to drive compound cover when rotating the screw rod and rotate, be connected fixedly and compound cover and hollow bone nail are connected fixedly through strutting the loop bar with hollow bone nail, make when rotating the screw rod and take out hollow bone nail, the increase makes the whole atress of hollow bone nail with the area of contact of hollow bone nail, it is easier when taking out hollow bone nail, skid when preventing to take out hollow bone nail, or only make hollow bone nail break easily for the bone nail cap because of hollow bone nail stress point.
When the hollow bone nail is long, the connecting position of the composite sleeve and the hollow bone nail is continuously adjusted in the process of taking out the hollow bone nail, so that the hollow bone nail is prevented from slipping when being taken out, or the hollow bone nail is broken only by the fixing cap due to the stress point of the hollow bone nail.
Example 2
The invention is used as an orthopedic nail taking device, and the specific application of taking other solid bone nails is as follows: when the bone nail taking device is used, the support with the support legs can enable the nail taking device to be relatively and stably propped against a corresponding position, the rotating handle is rotated to enable the screw to move downwards to the corresponding position of a bone nail under the action of threads in the cylindrical empty groove of the support, the clamping piece is clamped on the bone nail cap, the screw sleeve is rotated to move downwards to control the connecting rod to move relatively, the clamping piece clamps the bone nail cap, the rotating handle is rotated to enable the screw to move upwards slowly to take out the bone nail, in the process of taking out the bone nail, after the bone nail is taken out for a section, the connecting sleeve is unscrewed to enable the composite sleeve to move downwards along the sliding groove, the compressing sleeve is rotated downwards to push the compressing pieces to move oppositely to clamp the bone nail, and the rotating; through spout and sand grip cooperation and compact disc for drive compound cover when rotating the screw rod and rotate, be connected fixedly through compound cover and bone nail, make when rotating the screw rod and take out the bone nail, the area of contact of increase and bone nail makes the whole atress of bone nail, and is easier when taking out the bone nail, skids when preventing to take out the bone nail, or only makes the easy rupture of bone nail for the bone nail cap because of bone nail stress point.
When the bone nail is longer, take out the continuous adjusting complex cover of bone nail in-process and the hookup location of bone nail, skid when preventing to take out the bone nail, or because of the bone nail stress point only makes the bone nail rupture for the locking cap.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A nail-taking device for orthopedics is characterized in that: comprises a bracket, a screw rod, a composite sleeve, a spreading sleeve rod and a spreading rod; the support is provided with a plurality of support legs, the center of the support is vertically provided with a cylindrical hollow groove, and a screw rod with a channel at the center is installed in the cylindrical hollow groove through threads; the end of the screw rod above the support is provided with a connecting ring, the inner wall of the screw rod is symmetrically provided with vertical grooves, the connecting ring is provided with an L-shaped rotating handle, the end of the screw rod below the support is provided with a cylindrical hollow screw head with the outer diameter smaller than that of the screw rod, a screw sleeve is arranged on the screw head through threads, the end of the screw head far away from the screw rod is symmetrically hinged with a connecting rod, the end of the connecting rod is provided with a clamping element, the outer wall of the end of the screw rod connected with the screw head is provided with connecting threads, the outer wall of the screw rod is symmetrically provided with sliding grooves; the composite sleeve is an integrally formed hollow cylindrical pipe and comprises a large sleeve and a small sleeve, the large sleeve and the small sleeve are coaxially connected to form a step shape, raised lines are symmetrically arranged in the inner wall of the large sleeve, compression grooves are symmetrically arranged on the outer wall of the small sleeve, arc-shaped compression pieces are symmetrically arranged in the compression grooves, the compression sleeve is mounted at the end of the small sleeve connected with the large sleeve through threads, and a connecting sleeve with threads on the inner wall is rotatably mounted at the end of the small sleeve far away from the large sleeve; the composite sleeve is arranged on the screw rod, the raised line is arranged in the chute, and the threads on the inner wall of the connecting sleeve are matched and connected with the connecting threads;
the opening sleeve rod is a hollow cylinder, the outer wall of one end of the opening sleeve rod is provided with a clamping strip, the outer wall of the other end of the opening sleeve rod is provided with anti-skidding threads, one end provided with the anti-skidding threads is symmetrically provided with opening grooves penetrating through the opening sleeve rod, the opening threads are arranged in the opening grooves, and the opening sleeve rod is installed in the screw rod in a matched mode through the clamping strip and the vertical groove;
the opening rod is a cylindrical rod with an opening thread arranged on the outer wall of one end, a rotating nut is arranged at the end far away from the opening thread, and the opening rod is installed in the opening sleeve rod.
2. A nail-removing device for orthopedics according to claim 1, characterized in that: the clamping piece is arc-shaped, and the end face of the clamping piece is provided with sawteeth.
3. A nail-removing device for orthopedics according to claim 1, characterized in that: the end face of the pressing piece, which is opposite to the screw rod, is provided with a rubber layer.
4. A nail-removing device for orthopedics according to claim 1, characterized in that: the distraction sleeve rod is made of elastic metal.
5. A nail-removing device for orthopedics according to claim 4, characterized in that: the end of the opening rod provided with the opening thread is spherical and provided with the opening thread.
6. A nail-removing device for orthopedics according to claim 1, characterized in that: the screw, the composite sleeve, the opening sleeve rod and the opening rod are all provided with various specifications which are matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010171716.3A CN111317556B (en) | 2020-03-12 | 2020-03-12 | Nail taking device for orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010171716.3A CN111317556B (en) | 2020-03-12 | 2020-03-12 | Nail taking device for orthopedics department |
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| Publication Number | Publication Date |
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| CN111317556A CN111317556A (en) | 2020-06-23 |
| CN111317556B true CN111317556B (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010171716.3A Active CN111317556B (en) | 2020-03-12 | 2020-03-12 | Nail taking device for orthopedics department |
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| CN (1) | CN111317556B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697935A (en) * | 1995-09-12 | 1997-12-16 | Medex Marketing, Inc. | Device and method for removing fastening implements from bone |
| CN105686876A (en) * | 2016-03-29 | 2016-06-22 | 李现军 | Screw taking device used in department of orthopaedics |
| CN105877835A (en) * | 2016-06-28 | 2016-08-24 | 郑胜 | Orthopedics nail taking device |
| CN106073886A (en) * | 2016-07-13 | 2016-11-09 | 苏州苏南捷迈得医疗器械有限公司 | A kind of orthopedic broken screw nail-fetching device |
| CN106175916A (en) * | 2016-07-13 | 2016-12-07 | 苏州苏南捷迈得医疗器械有限公司 | A kind of bone surgery nail-fetching device |
| CN208693428U (en) * | 2018-02-08 | 2019-04-05 | 宋云飞 | A kind of orthopaedics safety and stability device for fetching nail |
| CN110200692A (en) * | 2018-12-27 | 2019-09-06 | 丽水市人民医院 | A kind of orthopaedics broken nail device for fetching nail |
| CN110786924A (en) * | 2019-11-28 | 2020-02-14 | 界首泰谷工业设计有限公司 | Nail extractor for orthopedics department |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7476225B2 (en) * | 2003-03-14 | 2009-01-13 | J. Dean Cole | Percutaneous fixator method of insertion |
-
2020
- 2020-03-12 CN CN202010171716.3A patent/CN111317556B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697935A (en) * | 1995-09-12 | 1997-12-16 | Medex Marketing, Inc. | Device and method for removing fastening implements from bone |
| CN105686876A (en) * | 2016-03-29 | 2016-06-22 | 李现军 | Screw taking device used in department of orthopaedics |
| CN105877835A (en) * | 2016-06-28 | 2016-08-24 | 郑胜 | Orthopedics nail taking device |
| CN106073886A (en) * | 2016-07-13 | 2016-11-09 | 苏州苏南捷迈得医疗器械有限公司 | A kind of orthopedic broken screw nail-fetching device |
| CN106175916A (en) * | 2016-07-13 | 2016-12-07 | 苏州苏南捷迈得医疗器械有限公司 | A kind of bone surgery nail-fetching device |
| CN208693428U (en) * | 2018-02-08 | 2019-04-05 | 宋云飞 | A kind of orthopaedics safety and stability device for fetching nail |
| CN110200692A (en) * | 2018-12-27 | 2019-09-06 | 丽水市人民医院 | A kind of orthopaedics broken nail device for fetching nail |
| CN110786924A (en) * | 2019-11-28 | 2020-02-14 | 界首泰谷工业设计有限公司 | Nail extractor for orthopedics department |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111317556A (en) | 2020-06-23 |
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