CN116115317A - Bending bone round needle clamping device - Google Patents
Bending bone round needle clamping device Download PDFInfo
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- CN116115317A CN116115317A CN202310347503.5A CN202310347503A CN116115317A CN 116115317 A CN116115317 A CN 116115317A CN 202310347503 A CN202310347503 A CN 202310347503A CN 116115317 A CN116115317 A CN 116115317A
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- linkage
- clamping
- accommodating cavity
- reset
- clamping body
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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
- A61B17/8863—Apparatus for shaping or cutting osteosynthesis equipment by medical personnel
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a bending bone round needle clamping device, which comprises: the sleeve is provided with a first accommodating cavity and internal threads on the inner wall of the first accommodating cavity, the compression part is arranged at the upper end of the first accommodating cavity at intervals, and an avoidance gap is formed at the interval; the main body is provided with a second accommodating cavity and external threads on the outer wall of the second accommodating cavity, the first rotating part and the second rotating part are arranged in parallel, the first rotating part, the second rotating part and the first resetting part are arranged in the second accommodating cavity at intervals, and the main body is rotatably arranged in the first accommodating cavity; the clamping mechanism comprises a first clamping body, a second clamping body, a linkage element and a reset element, and is rotatably arranged in the second accommodating cavity. By adopting the technical scheme, through the arrangement, the rotary sleeve compresses the clamping device, the bent bone round needle can be clamped for rotary drilling, and the problem that the bone round needle cannot be clamped for drilling after being bent in the related art is solved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a bending bone round needle clamping device.
Background
The bone round needle is a common internal fixing material for orthopaedics, and the bone round needle with threads has good holding force and is widely applied to surgical operations. In operation, the irritation of the tail end tip of the round bone needle to surrounding tissues to cause lesions is not avoided, the round bone needle is often bent, but the round bone needle still needs to be screwed.
In the prior art, both the electric hand drill and the hollow drill can not clamp the bent bone round needle and then drill holes.
Disclosure of Invention
The invention mainly aims to provide a bending bone round needle clamping device which is used for solving the problem that a bent bone round needle in the prior art cannot clamp a drilled hole.
In order to achieve the above object, the present invention provides a bending bone round needle clamping device, comprising: the sleeve is provided with a first accommodating cavity and internal threads on the inner wall of the first accommodating cavity, the compression part is arranged at the upper end of the first accommodating cavity at intervals, and an avoidance gap is formed at the interval; the main body is provided with a second accommodating cavity and external threads on the outer wall of the second accommodating cavity, the first rotating part and the second rotating part are arranged in parallel, the first rotating part, the second rotating part and the first resetting part are arranged in the second accommodating cavity at intervals, and the main body is rotatably arranged in the first accommodating cavity; the clamping mechanism comprises a first clamping body, a second clamping body, a linkage element and a reset element, and is rotatably arranged in the second accommodating cavity.
Further, the sleeve is provided with a first operation part, the main body is provided with a second operation part, and the first operation part and the second operation part are respectively provided with uniform fine ravines.
Further, the main body is further provided with a connecting part which is arranged on the lower end face of the main body, the connecting part is provided with a straight hole, and the straight hole is a through hole and is led into the second accommodating cavity.
Further, the first clamping body is provided with a third rotating part, a first rotating shaft is inserted into the first clamping body, and the first clamping body is rotatably arranged on the first rotating part; the second clamping body is provided with a fourth rotating part, a second rotating shaft is inserted into the fourth rotating part, and the second clamping body is rotatably arranged on the second rotating part.
Further, the first clamping body is provided with a first linkage part, the second clamping body is provided with a second linkage part, and the relative position of the first linkage part on the first clamping body is the same as the relative position of the second linkage part on the second clamping body.
Further, the first clamping body is provided with a second reset part, the reset element is provided with a third reset part, a third rotating shaft is inserted into the reset element, and the first clamping body is rotatably arranged at one of the first reset part and the second reset part; the reset element is also provided with a fourth reset part, a fourth rotating shaft is inserted in the fourth reset part, and the fourth rotating shaft is rotatably arranged at the other one of the first reset part and the second reset part.
Further, the second clamping body is provided with an avoidance hole, and the reset element is movably arranged in the avoidance hole in a penetrating mode.
Further, the linkage element has a third linkage part rotatably provided at one of the first linkage part and the second linkage part; the linkage element has a fourth linkage portion rotatably disposed at the other of the first linkage portion and the second linkage portion.
Further, the distance between the first rotating portion and the second rotating portion is equal to the distance between the third linking portion and the fourth linking portion.
By applying the technical scheme of the invention, the sleeve comprises a first accommodating cavity and internal threads on the inner wall of the first accommodating cavity, the compression parts are arranged at the upper end of the first accommodating cavity at intervals, and the interval parts form avoidance gaps; the main body comprises a second accommodating cavity and external threads on the outer wall of the second accommodating cavity, the first rotating part and the second rotating part are arranged in parallel, the first rotating part, the second rotating part and the first resetting part are arranged in the second accommodating cavity at intervals, and the main body is rotatably arranged in the first accommodating cavity; the clamping mechanism comprises a first clamping body, a second clamping body, a linkage element and a reset element, and is rotatably arranged in the second accommodating cavity. Through foretell setting, rotatory sleeve compresses tightly clamping device, but the centre gripping bend bone round needle rotates the drilling, solves the problem that can't centre gripping drilling after the bone round needle is bent among the related art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 shows an explosion schematic diagram of a bending bone round needle clamping device according to an embodiment of the invention
FIG. 2 shows a cross-sectional view of a bent bone round needle clamping device provided in accordance with an embodiment of the invention;
FIG. 3 shows a cross-sectional view of the sleeve of the bent bone round needle clamping device of FIG. 1;
FIG. 4 shows a schematic structural view of a sleeve of the bent bone round needle clamping device of FIG. 1;
FIG. 5 shows a cross-sectional view of the body of the bent bone round needle holder of FIG. 1;
FIG. 6 is a schematic view showing the structure of the main body of the bending bone round needle clamping device in FIG. 1;
FIG. 7 shows a cross-sectional view of a first clamping body of the bent bone round needle clamping device of FIG. 1;
FIG. 8 is a schematic view showing the structure of a first clamping body of the clamping device for the bending bone round needle in FIG. 1;
FIG. 9 shows a cross-sectional view of a second clamping body of the bent bone round needle clamping device of FIG. 1;
FIG. 10 is a schematic view showing the structure of a second clamping body of the clamping device for the bending bone round needle in FIG. 1;
FIG. 11 shows a cross-sectional view of the linkage element of the bent bone round needle clamping device of FIG. 1;
FIG. 12 is a schematic view showing the structure of the linkage elements of the bent bone round needle clamping device of FIG. 1;
fig. 13 shows a schematic structural view of a reset element of the bent bone round needle holder of fig. 1.
Wherein the above figures include the following reference numerals:
10. a sleeve; 11. a first accommodation chamber; 111. an internal thread; 12. a pressing part; 121. avoidance gap; 13. a first operation section; 14. fine ravines;
20. a main body; 21. a second accommodation chamber; 211. a first rotating part; 212. a second rotating part; 213. a first reset section; 22. an external thread; 23. a second operation section; 24. a connection part; 241. a straight hole;
30. a clamping mechanism; 31. a first clamping body; 311. a third rotating part; 3111. a first rotating shaft; 312. a first linkage part; 313. a second reset section; 32. a second clamping body; 321. a fourth rotating part; 3211 a second shaft; 322. a second linkage part; 323. avoidance holes; 33. a linkage element; 331. a third linkage part; 332. a fourth linkage part; 34. a reset element; 341. a third reset unit; 3411. a third rotating shaft; 342. a fourth reset unit; 3421. a fourth rotating shaft;
H. a distance between the first rotating portion and the second rotating portion; h. distance between the third and fourth linkage portions.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 13, the present invention provides a bending bone round needle clamping device, comprising: the sleeve 10 is provided with a first accommodating cavity 11 and an internal thread 111 on the inner wall of the first accommodating cavity 11, the pressing parts 12 are arranged at the upper end of the first accommodating cavity 11 at intervals, and an avoidance gap 121 is formed at the intervals; a main body 20 having a second accommodating chamber 21 and an external thread 22 of an outer wall thereof, a first rotating portion 211 being disposed in parallel with a second rotating portion 212, the first rotating portion 211, the second rotating portion 212 and a first reset portion 213 being disposed in the second accommodating chamber 21 at intervals, the main body 20 being rotatably disposed in the first accommodating chamber 11; the clamping mechanism 30, which includes a first clamping body 31, a second clamping body 32, a linkage element 33 and a reset element 34, is rotatably disposed in the second accommodating chamber 21.
As shown in fig. 3 and 5, the sleeve 10 is provided with a first operation portion 13, the main body 20 is provided with a second operation portion 23, and the first operation portion 13 and the second operation portion 23 are provided with uniform fine ravines 14 so as to increase friction coefficients of surfaces of the first operation portion 13 and the second operation portion 23, thereby facilitating operation.
As shown in fig. 2, the main body 20 further has a connection portion 24 disposed on a lower end surface of the main body 20, and the connection portion 24 has a straight hole 241, where the straight hole 241 is a through hole and is led into the second accommodating cavity 21.
In a specific implementation process, the connecting portion 24 is connected with a drill bit portion of an electric hand drill or a hollow drill, the sleeve 10 is screwed, the bent round bone needle clamping device can clamp the bent round bone needle to drill, if the round bone needle which is not bent is replaced temporarily, the round bone needle which is not bent only needs to pass through the straight hole 241, and the sleeve 10 is screwed. Through the arrangement, when the bent bone round needle and the unbent bone round needle are replaced, the bent bone round needle clamping device does not need to be assembled and disassembled again, and the operation flow is simplified.
As shown in fig. 2 and 7 to 10, the first clamping body 31 has a third rotating portion 311, a first rotating shaft 3111 is inserted and rotatably disposed at the first rotating portion 211; the second clamping body 32 has a fourth rotating portion 321, and a second rotating shaft 3211 is inserted and rotatably provided in the second rotating portion 212.
As shown in fig. 8 and 10, the first clamping body 31 has a first linkage portion 312, the second clamping body 32 has a second linkage portion 322, and the relative position of the first linkage portion 312 on the first clamping body 31 is the same as the relative position of the second linkage portion 322 on the second clamping body 32.
The same relative position refers to the position and the size of the first linkage part 312 and/or the second linkage part 322 being identical when the first clamping body 31 and/or the second clamping body 32 are used as references.
As shown in fig. 2, 7-8 and 13, the first clamping body 31 has a second reset portion 313, the reset element 34 has a third reset portion 341, a third rotating shaft 3411 is inserted between the third reset portion 213 and one of the second reset portions 313, and the third rotating shaft 3411 is rotatably disposed between the first reset portion and the second reset portion; the reset element 34 further has a fourth reset portion 342, in which a fourth rotating shaft 3421 is inserted, and is rotatably disposed at the other of the first reset portion 213 and the second reset portion 313.
In this embodiment, the reset element 34 is a hydraulic rod.
As shown in fig. 2, 9 to 10, the second clamping body 32 has a relief hole 323, and the return element 34 is movably inserted into the relief hole 323.
As shown in fig. 2, 11 to 12, the linkage element 33 has a third linkage part 331 rotatably provided at one of the first linkage part 312 and the second linkage part 322; the linkage member 33 has a fourth linkage portion 332 rotatably provided at the other of the first linkage portion 312 and the second linkage portion 322.
As shown in fig. 5 and 11, the distance H between the first rotation portion 211 and the second rotation portion 212 is equal to the distance H between the third linkage portion 331 and the fourth linkage portion 332.
In particular, as can be seen in fig. 5, 8, 10 and 11, the distance H between the first rotation portion 211 and the second rotation portion 212 is equal to the distance H between the third linkage portion 331 and the fourth linkage portion 332, and the distance between the third rotation portion 311 and the first linkage portion 312 is equal to the distance between the fourth rotation portion 321 and the second linkage portion 322, so that it can be determined that the clamping mechanism 30 is projected as a parallelogram in a plane perpendicular to the rotation axis, and it can be ensured that the first clamping body 31 and the second clamping body 32 simultaneously link to clamp the round bone needle without deflection.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A bending bone round needle clamping device, comprising:
the sleeve (10) is provided with a first accommodating cavity (11) and internal threads (111) on the inner wall of the first accommodating cavity, the pressing parts (12) are arranged at the upper end of the first accommodating cavity (11) at intervals, and an avoidance gap (121) is formed at the intervals;
a main body (20) having a second accommodating chamber (21) and an external thread (22) of an outer wall thereof, a first rotating part (211) and a second rotating part (212) being arranged in parallel, the first rotating part (211), the second rotating part (212) and a first resetting part (213) being arranged in the second accommodating chamber (21) at intervals, the main body (20) being rotatably arranged in the first accommodating chamber (11);
the clamping mechanism (30) comprises a first clamping body (31), a second clamping body (32), a linkage element (33) and a reset element (34), and is rotatably arranged in the second accommodating cavity (21).
2. The bending bone round needle clamping device according to claim 1, wherein the sleeve (10) is provided with a first operation part (13), the main body (20) is provided with a second operation part (23), and both the first operation part (13) and the second operation part (23) are provided with uniform fine ravines (14).
3. The bending bone round needle clamping device according to claim 1, wherein the main body (20) is further provided with a connecting portion (24) arranged on the lower end face of the main body (20), the connecting portion (24) is provided with a straight hole (241), and the straight hole (241) is a through hole and is communicated with the second accommodating cavity (21).
4. The bending round bone needle clamping device according to claim 1, wherein the first clamping body (31) has a third rotating portion (311), a first rotating shaft (3111) is inserted, and the first clamping body is rotatably provided at the first rotating portion (211); the second clamping body (32) is provided with a fourth rotating part (321), a second rotating shaft (3211) is inserted, and the second clamping body is rotatably arranged at the second rotating part (212).
5. The bending round pin clamping apparatus according to claim 4, wherein the first clamping body (31) has a first linkage portion (312), the second clamping body (32) has a second linkage portion (322), and a relative position of the first linkage portion (312) on the first clamping body (31) is the same as a relative position of the second linkage portion (322) on the second clamping body (32).
6. The bending round pin clamping apparatus according to claim 1, wherein the first clamping body (31) has a second reset portion (313), the reset element (34) has a third reset portion (341), a third rotating shaft (3411) is inserted, and the third rotating shaft is rotatably provided in one of the first reset portion (213) and the second reset portion (313); the reset element (34) further comprises a fourth reset portion (342) in which a fourth rotating shaft (3421) is inserted, and is rotatably provided at the other of the first reset portion (213) and the second reset portion (313).
7. The bending round bone needle clamping apparatus according to claim 1, wherein the second clamping body (32) has a relief hole (323), and the return element (34) is movably inserted into the relief hole (323).
8. The bending round pin clamping apparatus according to claim 7, wherein the linkage element (33) has a third linkage part (331) rotatably provided at one of the first linkage part (312) and the second linkage part (322); the linking member (33) has a fourth linking portion (332) rotatably provided in the other of the first linking portion (312) and the second linking portion (322).
9. The bending round pin clamping apparatus according to claim 1, wherein a distance (H) between the first rotation portion (211) and the second rotation portion (212) is equal to a distance (H) between the third linkage portion (331) and the fourth linkage portion (332).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310347503.5A CN116115317B (en) | 2023-04-04 | 2023-04-04 | Bending bone round needle clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310347503.5A CN116115317B (en) | 2023-04-04 | 2023-04-04 | Bending bone round needle clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116115317A true CN116115317A (en) | 2023-05-16 |
| CN116115317B CN116115317B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310347503.5A Active CN116115317B (en) | 2023-04-04 | 2023-04-04 | Bending bone round needle clamping device |
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| Country | Link |
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| CN (1) | CN116115317B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000004945A (en) * | 1996-03-25 | 2000-01-25 | 엠. 제이크스-바우만 | Adjustable clamp for bone fixation element |
| US6123614A (en) * | 1998-02-20 | 2000-09-26 | University Of Alaska Fairbanks | Method and apparatus for removing pin bones |
| US20050234471A1 (en) * | 2004-02-02 | 2005-10-20 | Daniel Schmucki | Clamping device for bone fixation elements |
| CN203749561U (en) * | 2014-02-18 | 2014-08-06 | 河南省洛阳正骨医院 | Holder for round osseous pins |
| CN106214243A (en) * | 2016-07-26 | 2016-12-14 | 冯颖 | A kind of orthopaedics guides resetting means |
| US20210153896A1 (en) * | 2018-07-10 | 2021-05-27 | Escuela Universitaria De Enfermeria Y Fisioterapa San Juan De Dios. Orden Hospitalaria De De San Ju | Device for Intraosseous Needle Removal |
| CN113290512A (en) * | 2020-02-21 | 2021-08-24 | 苏州佳世达电通有限公司 | Rotary clamping device |
| CN215228217U (en) * | 2021-03-26 | 2021-12-21 | 杭州三坛医疗科技有限公司 | Clamping and positioning device and needle placing device |
| CN217585538U (en) * | 2022-06-29 | 2022-10-14 | 国家能源集团新疆能源有限责任公司 | Clamping mechanism |
| CN115813521A (en) * | 2023-02-28 | 2023-03-21 | 北京爱康宜诚医疗器材有限公司 | Bone round pin bending device |
-
2023
- 2023-04-04 CN CN202310347503.5A patent/CN116115317B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000004945A (en) * | 1996-03-25 | 2000-01-25 | 엠. 제이크스-바우만 | Adjustable clamp for bone fixation element |
| US6123614A (en) * | 1998-02-20 | 2000-09-26 | University Of Alaska Fairbanks | Method and apparatus for removing pin bones |
| US20050234471A1 (en) * | 2004-02-02 | 2005-10-20 | Daniel Schmucki | Clamping device for bone fixation elements |
| CN203749561U (en) * | 2014-02-18 | 2014-08-06 | 河南省洛阳正骨医院 | Holder for round osseous pins |
| CN106214243A (en) * | 2016-07-26 | 2016-12-14 | 冯颖 | A kind of orthopaedics guides resetting means |
| US20210153896A1 (en) * | 2018-07-10 | 2021-05-27 | Escuela Universitaria De Enfermeria Y Fisioterapa San Juan De Dios. Orden Hospitalaria De De San Ju | Device for Intraosseous Needle Removal |
| CN113290512A (en) * | 2020-02-21 | 2021-08-24 | 苏州佳世达电通有限公司 | Rotary clamping device |
| CN215228217U (en) * | 2021-03-26 | 2021-12-21 | 杭州三坛医疗科技有限公司 | Clamping and positioning device and needle placing device |
| CN217585538U (en) * | 2022-06-29 | 2022-10-14 | 国家能源集团新疆能源有限责任公司 | Clamping mechanism |
| CN115813521A (en) * | 2023-02-28 | 2023-03-21 | 北京爱康宜诚医疗器材有限公司 | Bone round pin bending device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116115317B (en) | 2023-06-06 |
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