CN203089329U - Single condyle replacement femoral condyle pretreater - Google Patents
Single condyle replacement femoral condyle pretreater Download PDFInfo
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- CN203089329U CN203089329U CN 201320105281 CN201320105281U CN203089329U CN 203089329 U CN203089329 U CN 203089329U CN 201320105281 CN201320105281 CN 201320105281 CN 201320105281 U CN201320105281 U CN 201320105281U CN 203089329 U CN203089329 U CN 203089329U
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- condyle
- handle
- face
- femur
- insertion portion
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Abstract
The utility model relates to a single condyle displacement femoral condyle pretreater comprising an inserting portion, a held handle and a hitting handle, wherein the upper surface of the inserting portion is a concave-arc-shaped upper surface, the inserting portion comprises a first end portion and a second end portion, the second end portion is connected with the hitting handle through the held handle, the end face of the first end portion is an inclined end face, an acute angle is formed between the end face of the first end portion and the lower surface of the inserting portion, and a cutting edge is extended at the upper end of the first end portion in the direction of the length of the inserting portion. Perferably, a concave arc shape matched with the radian of femoral condyle is formed on the upper surface in the concave arc shape; the lower end of the inclined end face and the lower surface of the inserting portion are intersected to be a straight line; extending length of the cutting edge does not exceed the lower end of the inclined end face; the cross section of the held handle is smaller than the cross section of the inserting portion; the cross section of the hitting handle is larger than the cross section of the held handle; and the inserting portion, the held handle and the hitting handle are integrally formed. The single condyle displacement femoral condyle pretreater is ingenious in design, concise in structure, capable of treating the femoral condyle in a disposable mode and enabling a thickness measuring meter to be conveniently inserted, and suitable for being promoted and used in a large scale.
Description
Technical field
This utility model relates to single condyle replacement technique field, and particularly single condyle displacement condyle of femur processing technology field specifically is meant a kind of single condyle displacement condyle of femur preprocessor.
Background technology
(unicondylar knee arthroplasty UKA), need insert thickness measuring device and guider and carry out femur side location when handling condyle of femur to the single condyle replacement of knee joint at present.The upper surface of thickness measuring device is for roughly meeting the arc of condyle of femur radian.The detailed process that thickness measuring device inserts is: first tibia osteotomy in the operation, after the tibia osteotomy was finished, normal condition inserted tibial insert and thickness measuring device down and prepares to handle femur, but under a lot of situation owing to reason thickness measuring devices such as hyperosteogeny can't insert.
For example when the regression of condyle of femur place is heavier, because even the influence of hyperosteogeny often causes tibial side osteotomy height satisfied, thickness measuring device also is difficult to insert, need handle hyperosteogeny with rongeur, waste time and energy, the erroneous judgement that more likely makes the patient produce tibial side osteotomy quantity not sufficient strengthens the tibial side osteotomy and causes operative failure.
Therefore, need provide a kind of single condyle displacement condyle of femur preprocessor, can disposable processing condyle of femur, make things convenient for thickness measuring device to insert.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, and a kind of single condyle displacement condyle of femur preprocessor is provided, and this list condyle displacement condyle of femur preprocessor design is ingenious, simple for structure, can disposable processing condyle of femur, make things convenient for thickness measuring device to insert, be suitable for large-scale promotion application.
To achieve these goals, single condyle displacement condyle of femur preprocessor of the present utility model, be characterized in, comprise insertion portion, grab handle and impact handle, the upper surface of described insertion portion is the arcs of recesses upper surface, described insertion portion comprises first end and the second end, described the second end connects the described handle that impacts by described grab handle, the end face of described first end is an inclined end face, the lower surface of described inclined end face and described insertion portion acutangulates setting, and the length direction of the described insertion portion of upper end edge of described inclined end face is extended with blade.
Preferably, described arcs of recesses upper surface has the arcs of recesses of coupling condyle of femur radian.
Preferably, the lower surface of the lower end of described inclined end face and described insertion portion is crossing is a straight line.
More preferably, described straight line is vertical with the length direction of described insertion portion.
Preferably, the development length of described blade is no more than the lower end of described inclined end face.
Preferably, the cross section of described grab handle is less than the cross section of described insertion portion.
Preferably, the described cross section that impacts the cross section of handle greater than described grab handle.
Preferably, described insertion portion, described grab handle and described to impact handle integrally formed.
The beneficial effects of the utility model specifically are:
1; single condyle displacement condyle of femur preprocessor of the present utility model comprises insertion portion; grab handle and impact handle; the upper surface of described insertion portion is the arcs of recesses upper surface; described insertion portion comprises first end and the second end; described the second end connects the described handle that impacts by described grab handle; the end face of described first end is an inclined end face; the lower surface of described inclined end face and described insertion portion acutangulates setting; the length direction of the described insertion portion of upper end edge of described inclined end face is extended with blade; thereby first end designs (wedging formula head) for ramp type; conveniently insert and play the protection knee joint rear soft tissue effect of pushing open; blade is convenient to handle hyperosteogeny; grab handle is convenient dominated by hand; impacting handle hammer easy to use impacts insertion portion is squeezed into condyle of femur; design ingenious, simple for structure, can disposable processing condyle of femur; make things convenient for thickness measuring device to insert, be suitable for large-scale promotion application.
2, the described arcs of recesses upper surface of single condyle displacement condyle of femur preprocessor of the present utility model has the arcs of recesses of coupling condyle of femur radian, thereby increase the stability after inserting, for inserting, thickness measuring device provides suitable space, design ingenious, simple for structure, can disposable processing condyle of femur, make things convenient for thickness measuring device to insert, be suitable for large-scale promotion application.
Description of drawings
Fig. 1 is that the master of a specific embodiment of the present utility model looks sketch map.
Fig. 2 is the schematic top plan view of specific embodiment shown in Figure 1.
The specific embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.Should be understood that embodiment only is for example and non-limiting.
See also Fig. 1～shown in Figure 2, single condyle displacement condyle of femur preprocessor of the present utility model comprises insertion portion 1, grab handle 2 and impacts handle 3, the upper surface of described insertion portion 1 is the arcs of recesses upper surface, described insertion portion 1 comprises first end 11 and the second end 12, described the second end 12 connects the described handle 3 that impacts by described grab handle 2, the end face of described first end 11 is an inclined end face, the lower surface of described inclined end face and described insertion portion 1 acutangulates setting, and the length direction of the described insertion portion 2 of the upper end edge of described inclined end face is extended with blade 4.
Described arcs of recesses upper surface can have any suitable arcs of recesses, and for thickness measuring device can more insert with mating, in specific embodiment of the utility model, described arcs of recesses upper surface has the arcs of recesses of coupling condyle of femur radian.
It can be that line intersects also can be that point intersects that the lower surface of the lower end of described inclined end face and described insertion portion 1 intersects, when the lower end of described inclined end face is circular arc, crossing with the lower surface of described insertion portion 1 for point, can cut out inclined end face by the arc head to form; When the lower end of described inclined end face is linear, with the lower surface of described insertion portion 1 be that line intersects, can cut out inclined end face by tack and form; See also illustrated in figures 1 and 2ly, in specific embodiment of the utility model, it is a straight line that the lower surface of the lower end of described inclined end face and described insertion portion 1 intersects.
The length direction of described straight line and described insertion portion 1 can be vertical, also can out of plumb, see also shown in Figure 2ly, and in specific embodiment of the utility model, described straight line is vertical with the length direction of described insertion portion 1.
The development length of described blade 4 can determine as required, sees also Fig. 1～shown in Figure 2, and in specific embodiment of the utility model, the development length of described blade 4 is no more than the lower end of described inclined end face.
The size of described grab handle 2 can determine as required, sees also Fig. 1～shown in Figure 2, and in specific embodiment of the utility model, the cross section of described grab handle 2 is less than the cross section of described insertion portion 1.
The described size that impacts handle 3 also can determine as required, sees also Fig. 1～shown in Figure 2, in specific embodiment of the utility model, and the described cross section that impacts the cross section of handle 3 greater than described grab handle 2.
Described insertion portion 1, described grab handle 2 and the described handle 3 that impacts can be that independent parts link together, also can be integrally formed, and in specific embodiment of the utility model, described insertion portion 1, described grab handle 2 and described to impact handle 3 integrally formed.
During use; first tibia osteotomy in the operation; after the tibia osteotomy is finished; insert tibial insert and single condyle displacement condyle of femur preprocessor of the present utility model; specifically be to grip grab handle 2 with hands; first end 11 is aimed at osteotomy site and is inserted; conveniently insert and play the protection knee joint rear soft tissue effect of pushing open by the ramp type design (wedging formula head) of first end 11; blade 4 is used to handle hyperosteogeny; use hammer to impact the described handle 3 that impacts insertion portion 1 is squeezed into condyle of femur; extract single condyle displacement condyle of femur preprocessor of the present utility model then, thickness measuring device is inserted.
To sum up, single condyle displacement condyle of femur preprocessor of the present utility model design is ingenious, simple for structure, can disposable processing condyle of femur, and make things convenient for thickness measuring device to insert, be suitable for large-scale promotion application.
In this description, this utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, description and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (8)
1. a single condyle is replaced the condyle of femur preprocessor, it is characterized in that, comprise insertion portion, grab handle and impact handle, the upper surface of described insertion portion is the arcs of recesses upper surface, described insertion portion comprises first end and the second end, described the second end connects the described handle that impacts by described grab handle, the end face of described first end is an inclined end face, the lower surface of described inclined end face and described insertion portion acutangulates setting, and the length direction of the described insertion portion of upper end edge of described inclined end face is extended with blade.
2. single condyle displacement condyle of femur preprocessor according to claim 1 is characterized in that described arcs of recesses upper surface has the arcs of recesses of coupling condyle of femur radian.
3. single condyle displacement condyle of femur preprocessor according to claim 1 is characterized in that it is a straight line that the lower end of described inclined end face and the lower surface of described insertion portion intersect.
4. single condyle displacement condyle of femur preprocessor according to claim 3 is characterized in that described straight line is vertical with the length direction of described insertion portion.
5. single condyle displacement condyle of femur preprocessor according to claim 1 is characterized in that the development length of described blade is no more than the lower end of described inclined end face.
6. single condyle displacement condyle of femur preprocessor according to claim 1 is characterized in that the cross section of described grab handle is less than the cross section of described insertion portion.
7. single condyle displacement condyle of femur preprocessor according to claim 1 is characterized in that the described cross section that impacts the cross section of handle greater than described grab handle.
8. single condyle displacement condyle of femur preprocessor according to claim 1 is characterized in that, described insertion portion, described grab handle and described to impact handle integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105281 CN203089329U (en) | 2013-03-07 | 2013-03-07 | Single condyle replacement femoral condyle pretreater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105281 CN203089329U (en) | 2013-03-07 | 2013-03-07 | Single condyle replacement femoral condyle pretreater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203089329U true CN203089329U (en) | 2013-07-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320105281 Withdrawn - After Issue CN203089329U (en) | 2013-03-07 | 2013-03-07 | Single condyle replacement femoral condyle pretreater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203089329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103099657A (en) * | 2013-03-07 | 2013-05-15 | 上海市杨浦区中心医院 | Unicondylar replacement femoral condyle pretreatment device |
-
2013
- 2013-03-07 CN CN 201320105281 patent/CN203089329U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103099657A (en) * | 2013-03-07 | 2013-05-15 | 上海市杨浦区中心医院 | Unicondylar replacement femoral condyle pretreatment device |
| CN103099657B (en) * | 2013-03-07 | 2015-05-20 | 上海市杨浦区中心医院 | Unicondylar replacement femoral condyle pretreatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |