CN112451040B - Adjustable thighbone distal end cuts bone baffle - Google Patents
Adjustable thighbone distal end cuts bone baffle Download PDFInfo
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- CN112451040B CN112451040B CN202011257220.4A CN202011257220A CN112451040B CN 112451040 B CN112451040 B CN 112451040B CN 202011257220 A CN202011257220 A CN 202011257220A CN 112451040 B CN112451040 B CN 112451040B
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- guide plate
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking 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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1764—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The invention provides an adjustable femur far-end osteotomy guide plate which comprises a guide plate I and a guide plate II, wherein the lower part of the guide plate I is connected with the upper part of the guide plate II through an adjusting structure, an osteotomy groove is formed between the lower end of the guide plate I and the upper end of the guide plate II, and the width of the osteotomy groove can be adjusted by adjusting the adjusting structure. Adjustable thighbone distal end cuts bone baffle in the use, directly adjusts the regulation structure, and the width in adjustable osteotomy groove improves the suitability of cutting bone baffle, avoids the condition of cutting bone baffle of frequent change in the art, has shortened operation time, has reduced operation risk and operation cost.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an adjustable femur distal end osteotomy guide plate.
Background
Currently, in the process of replacing the distal femoral prosthesis of the knee joint, a 3D printing osteotomy guide plate is used for osteotomy and replacing the corresponding prosthesis according to the predicted track. The conventional bone cutting guide has the following problems,
the width of the osteotomy guide plate can not be adjusted, and when the osteotomy guide plate with larger or smaller groove width is needed, a plurality of guide plates with different widths need to be made at the same time for the next time, so that the processing time is too long; the width of the osteotomy groove cannot be adjusted, the osteotomy guide plate needs to be replaced in the operation process, and the osteotomy guide plate with the appropriate width is found, so that the osteotomy guide plate is replaced too complexly, the operation time is prolonged, the operation risk is increased, and the operation cost is increased; when the osteotomy amount needs to be increased or reduced temporarily in the operation, the operation can be stopped or the operation time can be prolonged due to the fact that the guide plate with the corresponding groove width cannot be printed in time; when the bone is cut, a swing sheet with a certain thickness planned to be used before the operation is not found temporarily or the swing sheet is too thick, so that the swing sheet cannot enter the guide plate groove, the bone cutting cannot be carried out, and the progress of the operation is influenced.
Disclosure of Invention
The invention provides an adjustable femur distal end osteotomy guide plate, which has the following problems that the width of an osteotomy groove of the osteotomy guide plate cannot be adjusted, the osteotomy guide plate is excessively complicated to replace in the operation process, the operation time is long, the operation risk is high, and the operation cost is high.
To solve the above technical problem, an embodiment of the present invention provides the following solutions:
the adjustable femur far-end osteotomy guide plate comprises a first guide plate and a second guide plate, wherein the lower portion of the first guide plate is connected with the upper portion of the second guide plate through an adjusting structure, an osteotomy groove is formed between the lower end of the first guide plate and the upper end of the second guide plate, and the adjusting structure is adjusted to adjust the width of the osteotomy groove.
Wherein the adjusting structure comprises a threaded through hole and a nail hole;
the lower part of the first guide plate is provided with a threaded through hole, and the upper part of the second guide plate is provided with a nail hole;
the threaded through hole is connected with the nail hole through a screw.
The first guide plate is provided with a first mounting hole and a second mounting hole.
And the second guide plate is provided with a mounting hole.
The bottom end of the first guide plate is provided with a groove, the top of the second guide plate is provided with a protrusion, and the protrusion can be inserted into the groove and can move along the insertion direction.
The first mounting hole and the second mounting hole are at least two, and the first mounting hole and the second mounting hole are arranged in a crossed mode.
At least two mounting holes are formed in the guide plate II and are symmetrically arranged on the guide plate II.
The threaded through hole is formed in the first guide plate and located above the groove, and the nail hole is formed in the protrusion.
Wherein, be provided with the scale on protruding outside.
Wherein, the screw thread through-hole with the nail hole is provided with one at least respectively.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, the adjustable femur far-end osteotomy guide plate directly adjusts the adjusting structure in the use process, the width of the osteotomy groove can be adjusted, the applicability of the osteotomy guide plate is improved, the condition that the osteotomy guide plate is frequently replaced in an operation is avoided, the operation time is shortened, and the operation risk and the operation cost are reduced.
Drawings
FIG. 1 is a schematic structural view of an adjustable distal femur osteotomy guide of the present invention;
FIG. 2 is a schematic structural view of a first guide plate of the adjustable distal femur osteotomy guide of the present invention;
FIG. 3 is a schematic structural view of a second guide plate of the adjustable femur distal osteotomy guide of the present invention.
Reference numerals:
1. a first guide plate; 11. a first mounting hole; 12. a second mounting hole; 13. a threaded through hole; 14. a groove; 2. a second guide plate; 21. mounting holes; 22. nailing holes; 23. and (4) protruding.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1-3, the present embodiment provides an adjustable femur distal end osteotomy guide plate, which includes a guide plate one 1 and a guide plate two 2, and for convenience of description, the positional relationship between the guide plate one 1 and the guide plate two 2 is set, and the direction of the guide plate one 1 is set, the direction close to the guide plate two 2 is downward, and the direction far away from the guide plate two 2 is upward; and the direction of the guide plate II 2 is upward close to the guide plate I1 and downward far away from the guide plate I1. The first guide plate 1 and the second guide plate 2 are connected through the adjusting structure to form the bone cutting guide plate. A bone cutting groove is formed between one side of the first guide plate 1 close to the second guide plate 2 and one side of the second guide plate 2 close to the first guide plate 1, namely the bone cutting groove is formed between the lower end of the first guide plate 1 and the upper end of the second guide plate 2, and a swinging sheet can be inserted into the bone cutting groove. Through adjusting the regulation structure, the distance between the first guide plate 1 and the second guide plate 2 can be adjusted, and the width of the osteotomy groove is adjusted. The adjustable thighbone distal end cuts bone conduction board of this embodiment directly adjusts the regulation structure in the use, and the width in adjustable osteotomy groove improves the bone conduction board suitability of this embodiment, avoids the condition of the frequent change of bone conduction board in the art, has shortened operation time, has reduced operation risk and operation cost.
The adjusting structure of the embodiment comprises a threaded through hole 13 and a nail hole 22, the threaded through hole 13 is arranged on the lower portion of the first guide plate 1, the nail hole 22 is arranged on the upper portion of the second guide plate 2, and the threaded through hole 13 is connected with the nail hole 22 through a screw. In the use process of the adjustable femur far-end osteotomy guide plate, the positions of the guide plate I1 and the guide plate II 2 are determined, namely the width of an osteotomy groove is determined, and then screws are screwed into the threaded through holes 13 and the nail holes 22 to connect the guide plate I1 and the guide plate II 2. Specifically, the thread of the threaded through hole 13 is opposite to the thread of the nail hole 22 in the screwing direction, and when the osteotomy guide plate is used, the screw is screwed into the threaded through hole 13 and the nail hole 22, the screw is rotated, the guide plate I1 and the guide plate II 2 are gathered together, the width of the osteotomy groove is reduced, the screw is rotated in the opposite direction, the guide plate I1 and the guide plate II 2 are spread outwards, and the width of the osteotomy groove is increased. Specifically, the bottom end of the first guide plate 1 is provided with a groove 14, the top of the second guide plate 2 is provided with a protrusion 23, the protrusion 23 can be inserted into the groove 14 and can move along the insertion direction, and the arrangement of the groove 14 and the protrusion 23 plays a role in guiding and stabilizing. Specifically, the threaded through hole 13 is arranged on the guide plate 1 above the groove 14, the nail hole 22 is arranged on the protrusion 23, and at least one of the threaded through hole 13 and the nail hole 22 is arranged.
The outer side of the protrusion 23 of this embodiment is provided with a scale. The width value of the osteotomy groove is convenient to view.
The first guide plate 1 of the present embodiment is provided with a first mounting hole 11 and a second mounting hole 12. The number of the first mounting holes 11 and the number of the second mounting holes 12 are at least two, and the first mounting holes 11 and the second mounting holes 12 are arranged in a crossed manner. The first mounting hole 11 and the second mounting hole 12 are used for fixing the first guide plate 1. Firstly, a second guide plate 2 is installed to determine the width of the osteotomy groove, and then a first guide plate 1 is installed. The first guide plate 1 is installed by using the first installation hole 11 or the second installation hole 12. The first and second mounting holes 11 and 12 of the present embodiment allow the fixation of the first guide plate 1 to be adapted to the width of the osteotomy groove. The first mounting hole 11 and the second mounting hole 12 may be nail holes.
The second guide plate 2 of the present embodiment is provided with a mounting hole 21. At least two mounting holes 21 are arranged and symmetrically arranged on the second guide plate 2. And the mounting hole 21 on the second guide plate 2 is used for fixing the second guide plate 2. The mounting hole 21 may be a nail hole.
The adjustable thighbone distal end cuts bone conduction board of this embodiment is in the use, and the structure is adjusted in the direct regulation, and the width in adjustable osteotomy groove improves the cut bone conduction board suitability of this embodiment, avoids the condition that cuts the bone conduction board frequently to change in the art, has shortened operation time, has reduced operation risk and operation cost, can accomplish individualized customization task and cut the compression of bone conduction board on time and economic cost.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The adjustable femur distal end osteotomy guide plate is characterized by comprising a first guide plate and a second guide plate, wherein the lower part of the first guide plate is connected with the upper part of the second guide plate through an adjusting structure, an osteotomy groove is formed between the lower end of the first guide plate and the upper end of the second guide plate, and the width of the osteotomy groove can be adjusted by adjusting the adjusting structure;
the adjusting structure comprises a threaded through hole and a nail hole;
the lower part of the first guide plate is provided with a threaded through hole, and the upper part of the second guide plate is provided with a nail hole;
the threaded through hole is connected with the nail hole through a screw;
a first mounting hole and a second mounting hole are formed in the first guide plate;
the first mounting hole and the second mounting hole are at least two, and the first mounting hole and the second mounting hole are arranged in a crossed mode.
2. The adjustable femoral distal osteotomy guide of claim 1, wherein a mounting hole is provided on the second guide.
3. The adjustable femoral distal osteotomy guide of claim 1, wherein a recess is provided on a bottom end of said first guide, and a protrusion is provided on a top portion of said second guide, said protrusion being insertable into said recess and movable along an insertion direction.
4. The adjustable femoral distal osteotomy guide of claim 2, wherein said mounting holes are provided in at least two and symmetrically disposed on said second guide.
5. The adjustable femoral distal osteotomy guide of claim 3, wherein said threaded through-hole is disposed on said guide above said recess, said nail hole being disposed on said projection.
6. The adjustable femoral distal resection guide of claim 3, wherein the projection has a scale disposed on an outer side thereof.
7. The adjustable femoral distal osteotomy guide of claim 5, wherein at least one of said threaded through-hole and said nail hole is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257220.4A CN112451040B (en) | 2020-11-10 | 2020-11-10 | Adjustable thighbone distal end cuts bone baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257220.4A CN112451040B (en) | 2020-11-10 | 2020-11-10 | Adjustable thighbone distal end cuts bone baffle |
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| Publication Number | Publication Date |
|---|---|
| CN112451040A CN112451040A (en) | 2021-03-09 |
| CN112451040B true CN112451040B (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011257220.4A Active CN112451040B (en) | 2020-11-10 | 2020-11-10 | Adjustable thighbone distal end cuts bone baffle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106974700A (en) * | 2017-04-24 | 2017-07-25 | 北京大学第三医院 | A kind of proximal tibia osteotomy instrument kit |
| CN206365912U (en) * | 2016-10-10 | 2017-08-01 | 北京大学第三医院 | A kind of proximal tibia osteotomy locating piece and device |
| CN206365915U (en) * | 2016-10-10 | 2017-08-01 | 北京大学第三医院 | A kind of proximal tibia bone cutting positioner |
| CN207755330U (en) * | 2017-06-14 | 2018-08-24 | 爱乔（上海）医疗科技有限公司 | Osteotomy distance adjustment component |
| CN110916791A (en) * | 2019-12-31 | 2020-03-27 | 祝斌 | Sliding type ulna short osteotomy bone fracture plate and use method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6796986B2 (en) * | 2001-03-29 | 2004-09-28 | David W. Duffner | Adjustable tibial osteotomy jig and method |
| US10357378B2 (en) * | 2014-07-22 | 2019-07-23 | Zimmer, Inc. | Devices and methods for trochanteric osteotomy |
-
2020
- 2020-11-10 CN CN202011257220.4A patent/CN112451040B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206365912U (en) * | 2016-10-10 | 2017-08-01 | 北京大学第三医院 | A kind of proximal tibia osteotomy locating piece and device |
| CN206365915U (en) * | 2016-10-10 | 2017-08-01 | 北京大学第三医院 | A kind of proximal tibia bone cutting positioner |
| CN106974700A (en) * | 2017-04-24 | 2017-07-25 | 北京大学第三医院 | A kind of proximal tibia osteotomy instrument kit |
| CN207755330U (en) * | 2017-06-14 | 2018-08-24 | 爱乔（上海）医疗科技有限公司 | Osteotomy distance adjustment component |
| CN110916791A (en) * | 2019-12-31 | 2020-03-27 | 祝斌 | Sliding type ulna short osteotomy bone fracture plate and use method thereof |
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| Publication number | Publication date |
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| CN112451040A (en) | 2021-03-09 |
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