CN104546088B - Customized compound bone cutter for femoral condyle - Google Patents
Customized compound bone cutter for femoral condyle Download PDFInfo
- Publication number
- CN104546088B CN104546088B CN201510006796.6A CN201510006796A CN104546088B CN 104546088 B CN104546088 B CN 104546088B CN 201510006796 A CN201510006796 A CN 201510006796A CN 104546088 B CN104546088 B CN 104546088B
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- China
- Prior art keywords
- femur
- osteotomy
- condyle
- femoral condyle
- cutting groove
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Classifications
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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
- A61B17/1657—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
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1675—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the knee
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention relates to a customized compound bone cutter for femoral condyle which is used for cutting the bone of the femoral condyle in knee surgery. The customized compound bone cutter for femoral condyle comprises a paracondyloid positioning surface, a remote-end positioning surface, a paracondyloid fixing hole, a paracondyloid fixing inclined hole, a remote-end fixing inclined hole, a force line inspection line, a femoral condyle prosthesis positioning hole, a femoral condyle remote-end bone cutting groove, a paracondyloid bone cutting groove, a front inclined-surface bone cutting groove, a hypocondyle bone cutting groove, a rear inclined-surface bone cutting groove and an intercondylar bone cutting groove; the femoral condyle model number is determined by virtue of preoperative planning based on the CT data of a patient, and then the contact surface, the fixed point and each cutting surface can be determined; the customized compound bone cutter for femoral condyle has the advantages that various parameters are more accurate, the used operating tools are greatly reduced, the operating time is greatly shortened, the infection risk is reduced, pulp exposing is avoided, wound is reduced, and the dependency on the experience of a doctor is reduced; as a result, the customized compound bone cutter for femoral condyle is especially suitable for operations not suitable for conventional operating tools.
Description
Technical field
The present invention relates to replacement knee in arthroplasty instrument, more particularly to a kind of Custom Prosthesis condyle of femur is combined osteotomy device.
Background technology
With the continuous progress of medical skill, artificial knee replacement surgery has been increasingly becoming a kind of relatively common surgery
Operation, femur side osteotomy generally needs out marrow, and the operation tool used is relatively more, and lateral femoral condyle prosthesis and die trial etc. need entirely
Set prepares, and so as to the operation tool that needs to prepare and prosthese are relatively more, operating time is long, infection risk than larger, to curing
The dependence of raw experience is greatly increased particularly with lopsided condyle of femur operating difficulty than larger, and operation accuracy is substantially reduced.
The content of the invention
It is an object of the invention to overcome drawbacks described above and provide the femur of a set of Custom Prosthesis according to preoperative Decision making
Condyle osteotomy instrument.
For achieving the above object, the present invention takes following design：
A kind of Custom Prosthesis condyle of femur is combined osteotomy device, for the osteotomy of condyle of femur in knee surgery, it is characterised in that institute
Stating the compound osteotomy device of Custom Prosthesis condyle of femur includes preartis locating surface (11), remotely located face (12), preartis fixing hole (8), preartis
Fixed inclined hole (13), distal end fix inclined hole (10), line of force checking hole (7), femur ankle far end cutting groove (1), front ankle bone cutting groove
(2), each osteotomy groove is on the tool.
The compound osteotomy device of described Custom Prosthesis condyle of femur, it is characterised in that the preartis locating surface (11) and femur preartis
Corresponding site tightly fit, the remotely located face (12) is tightly fitted with the corresponding site of distal femur.
The compound osteotomy device of described Custom Prosthesis condyle of femur, it is characterised in that the osteotomy of distal groove (1) is hung down with the actual line of force
Directly, front ankle bone cutting groove (2) osteotomy site and actually used lateral femoral condyle prosthesis consistent size.
The compound osteotomy device of described Custom Prosthesis condyle of femur, it is characterised in that a diameter of 4mm of line of force checking hole (7), two
Size between hole be 20mm, the consistent size with line of force stent strut.
The Custom Prosthesis condyle of femur is combined the processing method of osteotomy device：Melted using laser sintered, high-power electron beam etc.
Increases material manufacturing technology.
It is an advantage of the invention that：
1. the compound osteotomy device of Custom Prosthesis condyle of femur of the present invention, for the osteotomy of condyle of femur in knee surgery, including preartis
Inclined hole (13), distal end fixing hole (10), the line of force are fixed in locating surface (11), remotely located face (12), preartis fixing hole (8), preartis
Checking hole (7), lateral femoral condyle prosthesis location hole (9), femur ankle far end cutting groove (1), front ankle bone cutting groove (2), front bevel osteotomy groove
(3), postartis osteotomy groove (5), back bevel osteotomy groove (4) and intercondylar osteotomy groove (6), each osteotomy groove on the tool, can
The osteotomy in all faces in knee joint femoral side is disposably completed, the use of operation tool is substantially reduce the number.
2. the preartis locating surface (11) of the compound osteotomy device of Custom Prosthesis condyle of femur of the present invention is tight with the corresponding site of femur preartis
Closely connected conjunction, remotely located face (12) are brought into close contact with the corresponding site of distal femur, be ensure that Custom Prosthesis condyle of femur is compound and are cut
The uniqueness of bone object and femur locations, it is ensured that the concordance of design osteotomy and actual osteotomy.
3. the osteotomy of distal groove (1) of the compound osteotomy device of Custom Prosthesis condyle of femur of the present invention is vertical with the actual line of force, it is not necessary to open
Marrow is positioned, and can provide more accurate femur valgus angle.
4. the front ankle bone cutting groove (2) of the compound osteotomy device of Custom Prosthesis condyle of femur of the present invention, front bevel osteotomy groove (3), postartis cut
Bone groove (5), back bevel osteotomy groove (4) and intercondylar osteotomy groove (6) and actually used lateral femoral condyle prosthesis consistent size.
5. Custom Prosthesis condyle of femur of the present invention is combined a diameter of 6mm of lateral femoral condyle prosthesis location hole (9) of osteotomy device, between holes
Size be 40mm, the consistent size with condyle of femur locating dowel.
6. the line of force of the compound osteotomy device of Custom Prosthesis condyle of femur of the present invention verifies hole (7) a diameter of 4mm, the size between holes
For 20mm, the consistent size with line of force stent strut.
7. the compound osteotomy device of Custom Prosthesis condyle of femur of the present invention is designed by the way of preoperative planning, is needed in obtaining art in the preoperative
The lateral femoral condyle prosthesis model for using, greatly reduces the preparation amount of condyle die trial and condyle of femur.
8. Custom Prosthesis condyle of femur of the present invention it is compound osteotomy device is designed by the way of preoperative planning, customization mode is produced,
It is particularly suitable for the complicated operation of inapplicable routine operation instrument.
9. Custom Prosthesis condyle of femur described in is combined the processing method of osteotomy device：Melted using laser sintered, high-power electron beam
Etc. increases material manufacturing technology.
Description of the drawings
Structural representations of the Fig. 1 for the embodiment of the present invention
Another structural representations of the Fig. 2 for the embodiment of the present invention
Fig. 3 is embodiment of the present invention use state schematic diagram
Specific embodiment
Below in conjunction with accompanying drawing to the present invention be embodied as be described in further details.
As shown in Figure 1 and Figure 2, the compound osteotomy device of Custom Prosthesis condyle of femur of the present invention, cuts for condyle of femur in knee surgery
Bone, it includes preartis locating surface (11), remotely located face (12), and preartis fixing hole (8), preartis fixation inclined hole (13), distal end are solid
Determine inclined hole (10), line of force checking hole (7), lateral femoral condyle prosthesis location hole (9), femur ankle far end cutting groove (1), front ankle bone cutting groove
(2), front bevel osteotomy groove (3), postartis osteotomy groove (5), back bevel osteotomy groove (4) and intercondylar osteotomy groove (6), each osteotomy groove are equal
On the tool, the osteotomy in all faces in knee joint femoral side can disposably be completed.
By remotely located face (12) opposite position of distal femur and Custom Prosthesis condyle of femur of the present invention compound osteotomy device
Cartilage scraped clean, femur front end are combined preartis locating surface (11) opposite position of osteotomy device with Custom Prosthesis condyle of femur of the present invention
Clean out.Then, as shown in Figure 2 and Figure 3, by the preartis locating surface (11) of Custom Prosthesis condyle of femur of the present invention compound osteotomy device, remote
End locating surface (12) coordinates respectively at the relevant position of femur, until finding unique suitable position.Along the preartis fixing hole
(8), distal end fixing hole (10) squeezes into fixed nail, line of force support is inserted in line of force checking hole (7) of the present invention, and uses the line of force
Bar verifies the line of force, confirms that tailing edge preartis is fixed inclined hole (13) and squeezes into fixed nail, by Custom Prosthesis condyle of femur of the present invention compound osteotomy device
It is fixed on condyle of femur.
As shown in figure 3, being entered along front ankle bone cutting groove (2), front bevel osteotomy groove (3), postartis osteotomy groove (5) with osteotome respectively
The osteotomy of row preartis, front bevel and postartis, drills then along lateral femoral condyle prosthesis location hole (9).Remove distal end fixing hole
(10) the fixed nail at place, along back bevel osteotomy groove (4) row back bevel osteotomy, with intercondylar brill along intercondylar osteotomy groove (6) row condyle
Between osteotomy, finally along osteotomy of distal groove (1) row distal femur osteotomy.Finally, preartis fixing hole (8), preartis are extracted and fixes oblique
The fixed nail at hole (8) place, removes the compound osteotomy device of Custom Prosthesis condyle of femur of the present invention, completes condyle of femur osteotomy.
Custom Prosthesis condyle of femur of the present invention is combined the processing method of osteotomy device employing：The melting of laser sintered, high-power electron beam
Etc. increases material manufacturing technology, the material for adopting for the nylon material with good biocompatibility or medical metal material, therefore
With good biocompatibility.
Embodiment of above is merely to illustrate the present invention, and is not intended as the restriction of the present invention.About the general of technical field
Logical technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore,
It is all it will be apparent to those skilled in the art that change, be intended to be included in scope that the claims are covered it
It is interior.Scope of the present invention is only defined by described claims.
Claims (3)
1. a kind of Custom Prosthesis condyle of femur is combined osteotomy device, for the osteotomy of condyle of femur in knee surgery, it is characterised in that described
The compound osteotomy device of Custom Prosthesis condyle of femur includes preartis locating surface (11), remotely located face (12), and preartis fixing hole (8), preartis are solid
Determine inclined hole (13), distal end and fix inclined hole (10), the line of force verifies hole (7), femur ankle far end cutting groove (1), front ankle bone cutting groove (2),
Each osteotomy groove is on the compound osteotomy device of the Custom Prosthesis condyle of femur；Wherein, a diameter of 4mm of line of force checking hole (7),
Size between holes be 20mm, the consistent size with line of force stent strut.
2. Custom Prosthesis condyle of femur according to claim 1 is combined osteotomy device, it is characterised in that the preartis locating surface (11)
Tightly fit with the corresponding site of femur preartis, the remotely located face (12) is tightly fitted with the corresponding site of distal femur.
3. Custom Prosthesis condyle of femur according to claim 1 is combined osteotomy device, it is characterised in that the osteotomy of distal groove (1)
It is vertical with the actual line of force, front ankle bone cutting groove (2) osteotomy site and actually used lateral femoral condyle prosthesis consistent size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006796.6A CN104546088B (en) | 2015-01-07 | 2015-01-07 | Customized compound bone cutter for femoral condyle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006796.6A CN104546088B (en) | 2015-01-07 | 2015-01-07 | Customized compound bone cutter for femoral condyle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104546088A CN104546088A (en) | 2015-04-29 |
| CN104546088B true CN104546088B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510006796.6A Active CN104546088B (en) | 2015-01-07 | 2015-01-07 | Customized compound bone cutter for femoral condyle |
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| CN (1) | CN104546088B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104825206A (en) * | 2015-05-25 | 2015-08-12 | 北京爱康宜诚医疗器材股份有限公司 | Intercondylar bone-cutting device |
| CN105342727B (en) * | 2015-12-16 | 2018-05-11 | 嘉思特华剑医疗器材(天津)有限公司 | A kind of CR types and PS type condyle of femur die trials and intercondylar processor function integration structure |
| CN107212912B (en) * | 2017-07-15 | 2023-04-14 | 常州奥斯迈医疗器械有限公司 | Minimally invasive femur distal medullary cavity orientator |
| CN108784821B (en) * | 2018-06-12 | 2024-03-05 | 河南省锡创科技有限公司 | Personalized customization 3D printing osteotomy guide plate and use method thereof |
| CN108784782A (en) * | 2018-07-26 | 2018-11-13 | 重庆市华港科技有限公司 | 3D printing condyle of femur 5 closes 1 integration osteotomy device and its forming method |
| CN112370223A (en) * | 2020-10-29 | 2021-02-19 | 北京市春立正达医疗器械股份有限公司 | Adjustable femur trial condyle and system comprising same |
| CN112617960B (en) * | 2020-12-31 | 2022-02-08 | 北京长木谷医疗科技有限公司 | Femur guide plate for total knee joint replacement operation and use method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204797975U (en) * | 2015-01-07 | 2015-11-25 | 北京爱康宜诚医疗器材股份有限公司 | Compound bone object that cuts of customisable thighbone condyle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7104997B2 (en) * | 2003-06-19 | 2006-09-12 | Lionberger Jr David R | Cutting guide apparatus and surgical method for use in knee arthroplasty |
| US7572262B1 (en) * | 2005-06-07 | 2009-08-11 | Biomet Manufacturing Corp. | Femoral guide for revision surgery |
| ES2802126T3 (en) * | 2007-09-30 | 2021-01-15 | Depuy Products Inc | Patient Specific Custom Orthopedic Surgical Instrument |
| CN203001089U (en) * | 2012-12-26 | 2013-06-19 | 北京爱康宜诚医疗器材股份有限公司 | Multifunctional four-in-one osteotomy device |
| CN203915042U (en) * | 2014-06-04 | 2014-11-05 | 吉林大学 | Femoral intercondylar osteotomy device |
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2015
- 2015-01-07 CN CN201510006796.6A patent/CN104546088B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204797975U (en) * | 2015-01-07 | 2015-11-25 | 北京爱康宜诚医疗器材股份有限公司 | Compound bone object that cuts of customisable thighbone condyle |
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| CN104546088A (en) | 2015-04-29 |
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Address after: 102200 Beijing Changping District Science Park Road No. 10 Bai Fu industrial building two layer Applicant after: Beijing AKEC Medical Co., Ltd. Address before: 102200 Beijing Changping District Science Park Road No. 10 Bai Fu industrial building two layer Applicant before: Beijing AKEC Medical Co.,Ltd. |
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