CN204797975U - Compound bone object that cuts of customisable thighbone condyle - Google Patents
Compound bone object that cuts of customisable thighbone condyle Download PDFInfo
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- CN204797975U CN204797975U CN201520009301.0U CN201520009301U CN204797975U CN 204797975 U CN204797975 U CN 204797975U CN 201520009301 U CN201520009301 U CN 201520009301U CN 204797975 U CN204797975 U CN 204797975U
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- China
- Prior art keywords
- condyle
- femur
- osteotomy
- preartis
- cuts
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- Withdrawn - After Issue
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Abstract
The utility model relates to a compound bone object that cuts of customisable thighbone condyle, a cut the bone that is arranged in knee joint operation thighbone condyle, it includes the preartis locating surface, the distal end locating surface, the preartis fixed orifices, the inclined hole is fixed to the preartis, the inclined hole is fixed to the distal end, the hole is verified to the line of force, thighbone condyle false body locating hole, thighbone condyle distal end cuts the bone groove, the preartis cuts the bone groove, the front bevel cuts the bone groove, the postartis cuts the bone groove, the back bevel cuts and cuts the bone groove between bone groove and condyle, it carries out before the art planning through patient's CT data to confirm the thighbone condyle model chooseed for use, thereby confirm the contact surface, fixed point and each section surface of bone, compound bone object that cuts of customisable thighbone condyle's advantage lies in that each item parameter is more accurate, the operation instrument that uses reduces in a large number, operation time shortens greatly, the infection risk has been reduced, avoid out the marrow, the wound has been reduced, the reliance to doctor's experience has been reduced, and be particularly suitable for not being suitable for the operation of conventional operation instrument.
Description
Technical field
This utility model relates to replacement knee in arthroplasty instrument, particularly a kind of Custom Prosthesis condyle of femur compound osteotomy device.
Background technology
Along with the continuous progress of medical skill, artificial knee replacement surgery becomes a kind of relatively common surgical operation gradually, femur side osteotomy needs out marrow usually, and the operation tool used is many, and lateral femoral condyle prosthesis and die trial etc. need a complete set of preparation, thus need prepare operation tool and prosthese many, operating time is long, and infection risk is larger, larger to the dependence of doctors experience, especially greatly increase for lopsided condyle of femur operating difficulty, operation accuracy reduces greatly.
Summary of the invention
The condyle of femur osteotomy instrument that the purpose of this utility model is to overcome above-mentioned defect and provides a set of Custom Prosthesis according to preoperative Decision making.
For achieving the above object, this utility model takes following design:
A kind of Custom Prosthesis condyle of femur compound osteotomy device, for the osteotomy of condyle of femur in knee surgery, it is characterized in that, described Custom Prosthesis condyle of femur compound osteotomy device comprises preartis locating surface (11), far-end locating surface (12), preartis fixing hole (8), preartis fix inclined hole (13), far-end fixes inclined hole (10), line of force checking hole (7), femur ankle far end cutting groove (1), front ankle bone cutting groove (2), described each osteotomy groove is all on described Custom Prosthesis condyle of femur compound osteotomy device.
Described Custom Prosthesis condyle of femur compound osteotomy device, is characterized in that, described preartis locating surface (11) is tightly fitted with the corresponding site of femur preartis, and described far-end locating surface (12) is tightly fitted with the corresponding site of distal femur.
Described Custom Prosthesis condyle of femur compound osteotomy device, is characterized in that, described osteotomy of distal groove (1) is vertical with the actual line of force.
Described Custom Prosthesis condyle of femur compound osteotomy device, is characterized in that, described line of force checking hole (7) diameter is 4mm, is of a size of 20mm, with the consistent size of line of force stent strut between holes.
The processing method of described Custom Prosthesis condyle of femur compound osteotomy device is: adopt laser sintered, high-power electron beam melting etc. to increase material manufacturing technology.
The utility model has the advantages that:
1. this utility model Custom Prosthesis condyle of femur compound osteotomy device, for the osteotomy of condyle of femur in knee surgery, comprise preartis locating surface (11), far-end locating surface (12), preartis fixing hole (8), preartis fixes inclined hole (13), far-end fixing hole (10), line of force checking hole (7), lateral femoral condyle prosthesis locating hole (9), femur ankle far end cutting groove (1), front ankle bone cutting groove (2), front bevel osteotomy groove (3), postartis osteotomy groove (5), osteotomy groove (6) between back bevel osteotomy groove (4) and condyle, each osteotomy groove is all on described Custom Prosthesis condyle of femur compound osteotomy device, disposablely can complete the osteotomy of all of knee joint femoral side, substantially reduce the number the use of operation tool.
2. the preartis locating surface (11) of this utility model Custom Prosthesis condyle of femur compound osteotomy device and the corresponding site of femur preartis fit tightly, far-end locating surface (12) fits tightly with the corresponding site of distal femur, the uniqueness of Custom Prosthesis condyle of femur compound osteotomy device and femur locations can be ensured, ensure the concordance of design osteotomy and actual osteotomy.
3. the osteotomy of distal groove (1) of this utility model Custom Prosthesis condyle of femur compound osteotomy device is vertical with the actual line of force, does not need out marrow to locate, and can provide more accurate femur valgus angle.
4. between the front ankle bone cutting groove (2) of this utility model Custom Prosthesis condyle of femur compound osteotomy device, front bevel osteotomy groove (3), postartis osteotomy groove (5), back bevel osteotomy groove (4) and condyle, osteotomy groove (6) uses lateral femoral condyle prosthesis consistent size with actual.
5. lateral femoral condyle prosthesis locating hole (9) diameter of this utility model Custom Prosthesis condyle of femur compound osteotomy device is 6mm, is of a size of 40mm between holes, with the consistent size of condyle of femur locating dowel.
6. line of force checking hole (7) diameter of this utility model Custom Prosthesis condyle of femur compound osteotomy device is 4mm, is of a size of 20mm, with the consistent size of line of force stent strut between holes.
7. this utility model Custom Prosthesis condyle of femur compound osteotomy device adopts the patten's design of preoperative planning, obtains the lateral femoral condyle prosthesis model needing in art to use in the preoperative, greatly reduces the preparation amount of condyle die trial and condyle of femur.
8. this utility model Custom Prosthesis condyle of femur compound osteotomy device adopts the patten's design of preoperative planning, customization mode produces, and is particularly suitable for the complicated operation of inapplicable routine operation instrument.
9. described in, the processing method of Custom Prosthesis condyle of femur compound osteotomy device is: adopt laser sintered, high-power electron beam melting etc. to increase material manufacturing technology.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment
Fig. 2 is another structural representation of this utility model embodiment
Fig. 3 is this utility model embodiment using state schematic diagram
Detailed description of the invention
Below in conjunction with accompanying drawing, concrete enforcement of the present utility model is described in further details.
As Fig. 1, shown in Fig. 2, this utility model Custom Prosthesis condyle of femur compound osteotomy device, for the osteotomy of condyle of femur in knee surgery, it comprises preartis locating surface (11), far-end locating surface (12), preartis fixing hole (8), preartis fixes inclined hole (13), far-end fixes inclined hole (10), line of force checking hole (7), lateral femoral condyle prosthesis locating hole (9), femur ankle far end cutting groove (1), front ankle bone cutting groove (2), front bevel osteotomy groove (3), postartis osteotomy groove (5), osteotomy groove (6) between back bevel osteotomy groove (4) and condyle, each osteotomy groove is all on described Custom Prosthesis condyle of femur compound osteotomy device, disposablely can complete the osteotomy of all of knee joint femoral side.
By the cartilage scraped clean of far-end locating surface (12) opposite position of distal femur and this utility model Custom Prosthesis condyle of femur compound osteotomy device, preartis locating surface (11) opposite position of femur front end and this utility model Custom Prosthesis condyle of femur compound osteotomy device is cleaned out.Then, as shown in Figure 2 and Figure 3, the preartis locating surface (11) of this utility model Custom Prosthesis condyle of femur compound osteotomy device, far-end locating surface (12) are coordinated respectively at the relevant position of femur, until find uniquely suitable position.Staple is squeezed into along described preartis fixing hole (8), far-end fixing hole (10), line of force support is inserted in the line of force described in the utility model checking hole (7), and verify the line of force with line of force bar, confirm that tailing edge preartis is fixed inclined hole (13) and squeezed into staple, this utility model Custom Prosthesis condyle of femur compound osteotomy device is fixed on condyle of femur.
As shown in Figure 3, carry out the osteotomy of preartis, front bevel and postartis with osteotome respectively along front ankle bone cutting groove (2), front bevel osteotomy groove (3), postartis osteotomy groove (5), then hole along lateral femoral condyle prosthesis locating hole (9).Remove the staple at far-end fixing hole (10) place, along back bevel osteotomy groove (4) row back bevel osteotomy, with boring along between condyle osteotomy between osteotomy groove (6) row condyle between condyle, finally along osteotomy of distal groove (1) row distal femur osteotomy.Finally, extract preartis fixing hole (8), staple that preartis fixes inclined hole (8) place, remove this utility model Custom Prosthesis condyle of femur compound osteotomy device, complete condyle of femur osteotomy.
The processing method that this utility model Custom Prosthesis condyle of femur compound osteotomy device adopts is: laser sintered, high-power electron beam melting etc. increases material manufacturing technology, the material adopted is nylon material or the medical metal material with good biocompatibility, therefore has good biocompatibility.
Above embodiment only for illustration of this utility model, and is not as restriction of the present utility model.The those of ordinary skill of relevant technical field, when not departing from spirit and scope of the present utility model, can also make a variety of changes and modification, therefore, all changes that it will be apparent to those skilled in the art that, all should be included within scope that these claims contain.This utility model scope required for protection is only limited by described claims.
Claims (4)
1. a Custom Prosthesis condyle of femur compound osteotomy device, for the osteotomy of condyle of femur in knee surgery, it is characterized in that, described Custom Prosthesis condyle of femur compound osteotomy device comprises preartis locating surface (11), far-end locating surface (12), preartis fixing hole (8), preartis fix inclined hole (13), far-end fixes inclined hole (10), line of force checking hole (7), femur ankle far end cutting groove (1), front ankle bone cutting groove (2), described each osteotomy groove is all on described Custom Prosthesis condyle of femur compound osteotomy device.
2. Custom Prosthesis condyle of femur compound osteotomy device according to claim 1, it is characterized in that, described preartis locating surface (11) is tightly fitted with the corresponding site of femur preartis, and described far-end locating surface (12) is tightly fitted with the corresponding site of distal femur.
3. Custom Prosthesis condyle of femur compound osteotomy device according to claim 1, is characterized in that, described osteotomy of distal groove (1) is vertical with the actual line of force.
4. Custom Prosthesis condyle of femur compound osteotomy device according to claim 1, is characterized in that, described line of force checking hole (7) diameter is 4mm, is of a size of 20mm, with the consistent size of line of force stent strut between holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520009301.0U CN204797975U (en) | 2015-01-07 | 2015-01-07 | Compound bone object that cuts of customisable thighbone condyle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520009301.0U CN204797975U (en) | 2015-01-07 | 2015-01-07 | Compound bone object that cuts of customisable thighbone condyle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204797975U true CN204797975U (en) | 2015-11-25 |
Family
ID=54582881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520009301.0U Withdrawn - After Issue CN204797975U (en) | 2015-01-07 | 2015-01-07 | Compound bone object that cuts of customisable thighbone condyle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204797975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104546088A (en) * | 2015-01-07 | 2015-04-29 | 北京爱康宜诚医疗器材股份有限公司 | Customized compound bone cutter for femoral condyle |
| CN115624366A (en) * | 2022-09-21 | 2023-01-20 | 北京长木谷医疗科技有限公司 | Detection system, method and device for positioning tool for knee joint replacement |
-
2015
- 2015-01-07 CN CN201520009301.0U patent/CN204797975U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104546088A (en) * | 2015-01-07 | 2015-04-29 | 北京爱康宜诚医疗器材股份有限公司 | Customized compound bone cutter for femoral condyle |
| CN104546088B (en) * | 2015-01-07 | 2017-04-12 | 北京爱康宜诚医疗器材有限公司 | Customized compound bone cutter for femoral condyle |
| CN115624366A (en) * | 2022-09-21 | 2023-01-20 | 北京长木谷医疗科技有限公司 | Detection system, method and device for positioning tool for knee joint replacement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Beijing science and Technology Park of Changping Bai Fu Road 10, industrial building two layer Patentee after: Beijing AKEC Medical Co., Ltd. Address before: 102200 Beijing science and Technology Park of Changping Bai Fu Road 10, industrial building two layer Patentee before: Beijing AKEC Medical Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20151125 Effective date of abandoning: 20170412 |
|
| AV01 | Patent right actively abandoned |