CN2616187Y - Combined surface-replace artificial hip joint - Google Patents
Combined surface-replace artificial hip joint Download PDFInfo
- Publication number
- CN2616187Y CN2616187Y CN 03230998 CN03230998U CN2616187Y CN 2616187 Y CN2616187 Y CN 2616187Y CN 03230998 CN03230998 CN 03230998 CN 03230998 U CN03230998 U CN 03230998U CN 2616187 Y CN2616187 Y CN 2616187Y
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- CN
- China
- Prior art keywords
- frustum
- cover
- down screw
- hold
- displacement
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Abstract
The utility model relates to a combined type surface replacement hip joint, which comprises an artificial thigh bone, a replacement sheath arranged on body thighbone neck and an operate sheath coordinated with a tapering estrade. The operate sheath coordinated with the tapering estrade is arranged on the replacement sheath and the artificial thigh bone is arranged on the operate sheath coordinated with the tapering estrade. An inner chamber is positioned under the replacement sheath and the inner chamber is positioned at body thigh bone neck. The tapering estrade is arranged at top of the replacement sheath and the inner chamber is arranged at lower of the operate sheath coordinated with the tapering estrade. The inner chamber positioned under operate sheath coordinated with the tapering estrade is cooperated with the tapering the estrade arranged on top of the replacement sheath.
Description
Technical field
This utility model relates to the orthopaedics artificial hip joint, particularly a kind of combination type surface displacement artificial hip joint.
Background technology
Current, existing artificial hip joint is used stockless usually and is had handle class joint and proximal femur fixing in early days, and the employing center nail fixes or compression type is fixed, early stage stabilizing effect is relatively poor, be unfavorable for the early stage fixing of artificial joint, so for artificial hip joint of the prior art, problem loosening, displacement seems and becomes increasingly conspicuous.
Summary of the invention
Easily produce shortcoming and defect loosening, that the displacement aspect exists in order to solve existing artificial hip joint, the utility model proposes a kind of combination type surface displacement artificial hip joint.
This utility model is to solve the problems of the technologies described above the technical scheme that is adopted to provide a kind of combination type surface displacement artificial hip joint, by artificial thigh bone, the displacement cover and the frustum tight fit cover that are arranged at the human femur under loading cervical region constitute, wherein, described frustum tight fit is covered with and places on the described displacement cover, described artificial thigh bone is arranged on the described frustum tight fit cover, concrete, the lower end of described displacement cover is provided with an inner chamber, described inner chamber is arranged on the femoral neck of human body, the upper end of described displacement cover is provided with a frustum, the lower end of described frustum tight fit cover is provided with an inner chamber, the inner chamber of described frustum tight fit cover lower end matches with the frustum of described displacement cover upper end, the upper end of described frustum tight fit cover is provided with a frustum, be provided with an inner chamber in the lower end of described artificial thigh bone, the inner chamber of described artificial thigh bone lower end matches with described frustum, further, the frustum of described displacement cover upper end is provided with a screw, the diameter of the open outer side of described screw is greater than the diameter of opening inboard, be provided with the neck hold-down screw in the described screw, the nut of one end of described neck hold-down screw matches with described screw, the other end of described neck hold-down screw is arranged in the femur of human body, further, one end of described neck hold-down screw appears from femur one side of human body, on the described neck hold-down screw that appears a side, be connected with increased pressure board, described increased pressure board is provided with fixedly guide hole of neck, described neck hold-down screw is arranged on described neck fixedly in the guide hole, on described neck hold-down screw, also be provided with screwed retaining ring, on described increased pressure board, also be provided with femur pressurization nail hole, in described femur pressurization nail hole, be provided with hold-down screw, further again, greater trochanter bottom at described displacement cover is provided with the staple seat, be provided with greater trochanter hold-down screw and screwed retaining ring in the described staple seat, described screwed retaining ring is arranged in the staple seat in the greater trochanter hold-down screw outside, and frustum and frustum tight fit cover lower end internal chamber wall in described displacement cover upper end closely cooperate.
Compared with prior art, the characteristics of this utility model combination type surface displacement artificial hip joint are rational in infrastructure, can prevent the generation of the early stage loosening and displacement in joint well, are the good artificial jointes of a kind of effect.
Description of drawings
Fig. 1 is the structural representation of this utility model combination type surface displacement artificial hip joint.
Fig. 2 is the side structure sketch map of the increased pressure board of this utility model combination type surface displacement artificial hip joint.
Fig. 3 is the Facad structure sketch map of the increased pressure board of this utility model combination type surface displacement artificial hip joint.
Fig. 4 is an embodiment sketch map of this utility model combination type surface displacement artificial hip joint.
The specific embodiment
As depicted in figs. 1 and 2, displacement artificial hip joint in this utility model combination type surface is by artificial thigh bone 1, the displacement cover 2 and the frustum tight fit cover 7 that are arranged at the human femur under loading cervical region constitute, wherein, described frustum tight fit cover 7 is arranged on the described displacement cover 2, described artificial thigh bone 1 is arranged on the described frustum tight fit cover 7, concrete, the lower end of described displacement cover 2 is provided with an inner chamber, described inner chamber is arranged on the femoral neck of human body, the upper end of described displacement cover 2 is provided with a frustum, the lower end of described frustum tight fit cover 7 is provided with an inner chamber, the inner chamber of described frustum tight fit cover 7 lower ends matches with the frustum that 2 upper ends are covered in described displacement, the upper end of described frustum tight fit cover 7 is provided with a frustum, be provided with an inner chamber in the lower end of described artificial thigh bone 1, the inner chamber of described artificial thigh bone 1 lower end matches with described frustum, further, the frustum that 2 upper ends are covered in described displacement is provided with a screw, the diameter of the open outer side of described screw is greater than the diameter of opening inboard, be provided with neck hold-down screw 3 in the described screw, the nut of one end of described neck hold-down screw 3 matches with described screw, the other end of described neck hold-down screw 3 is arranged in the femur of human body, further, one end of described neck hold-down screw 3 appears from femur one side of human body, on the described neck hold-down screw 3 that appears a side, be connected with increased pressure board 8, described increased pressure board 8 is provided with fixedly guide hole 9 of neck, described neck hold-down screw 3 is arranged on fixedly guide hole interior 9 of described neck, described neck hold-down screw 3 is provided with screwed retaining ring 10, on described increased pressure board 8, also be provided with femur pressurization nail hole 11, in described femur pressurization nail hole 11, be provided with hold-down screw 12, further again, greater trochanter bottom at described displacement cover 2 is provided with staple seat 6, be provided with greater trochanter hold-down screw 4 and screwed retaining ring 5 in the described staple seat 6, described screwed retaining ring 5 is arranged in the staple seat 6 in greater trochanter hold-down screw 4 outsides, and the frustum and the frustum tight fit cover 7 lower end internal chamber walls that cover 2 upper ends in described displacement closely cooperate.
In a preferred embodiment of the present utility model, as depicted in figs. 1 and 2, during concrete enforcement, at first can select displacement cover 2 pincers of suitable size to go into the femur cervical region according to the anatomic form of patient's femur, be fixed in neck of femur central authorities and suitably pass femoral head with described neck hold-down screw 3 and appear from a side, greater trochanter hold-down screw 4 in the staple seat 6 that is arranged at described displacement cover greater trochanter bottom is installed again, described greater trochanter hold-down screw 4 is fixed on the femoral head greater trochanter, and in described greater trochanter hold-down screw 4 outside staple seats 6, screwed retaining ring 5 is set and gets loose to prevent hold-down screw 4, this moment with the neck of described increased pressure board 8 fixedly guide hole 9 be arranged on the described neck hold-down screw 3, screw on described screwed retaining ring 10, in the femur pressurization nail hole 11 of increased pressure board 8, screw on hold-down screw 12 respectively again, with abundant fixedly increased pressure board 8, at last frustum tight fit cover 7 is arranged on the frustum of displacement cover 2 cover bodies upper end, described artificial thigh bone 1 is arranged on the frustum of described frustum tight fit cover 7 upper ends, forms cooperation closely.
This utility model can select for use different nails to fix according to different sufferers when using, and as for young sufferer, sclerotin is harder, can not use increased pressure board and directly uses short hard nail; And, can adopt increased pressure board to cooperate the spongiosa nail to be fixed for the comparatively loose sufferer of sclerotin, have very positive specific aim therapeutic effect.
The utility model is compared with conventional art, forms greatly with neck of femur surface and bottom thereof on the structure The urgent contact of area has the effect of dispersive stress; The neck hold-down screw near basal part, has increased The stability of displacement cover; Also can select hard nail and spongiosa nail according to different sufferers, the treatment tool Targetedly; Have in addition and install simply, the advantages such as easy operating are the remarkable and tools of a kind of effect The artificial hip joint that positive using value is arranged.
Claims (8)
1, a kind of combination type surface displacement artificial hip joint, constitute by artificial thigh bone, the displacement cover that is arranged at the human femur under loading cervical region and frustum tight fit cover, it is characterized in that: described frustum tight fit is covered with and places on the described displacement cover, and described artificial thigh bone is arranged on the described frustum tight fit cover.
2, combination type as claimed in claim 1 surface displacement artificial hip joint, it is characterized in that: the lower end of described displacement cover is provided with an inner chamber, described inner chamber is arranged on the femoral neck of human body, the upper end of described displacement cover is provided with a frustum, be provided with an inner chamber in the lower end of described frustum tight fit cover, the inner chamber of described frustum tight fit cover lower end matches with described frustum.
3, combination type as claimed in claim 1 surface displacement artificial hip joint, it is characterized in that: the upper end of described frustum tight fit cover is provided with a frustum, is provided with an inner chamber in the lower end of described artificial thigh bone, and described inner chamber matches with described frustum.
4, combination type as claimed in claim 2 surface displacement artificial hip joint, it is characterized in that: the frustum of described displacement cover upper end is provided with a screw, the diameter of the open outer side of described screw is greater than the diameter of opening inboard, be provided with the neck hold-down screw in the described screw, the nut of one end of described neck hold-down screw matches with described screw, and the other end of described neck hold-down screw is arranged in the femur of human body.
5, combination type as claimed in claim 4 surface displacement artificial hip joint, it is characterized in that: an end of described neck hold-down screw appears from femur one side of human body, described
Go out on the neck hold-down screw of a side to be connected with increased pressure board, described increased pressure board is provided with fixedly guide hole of neck, and described neck hold-down screw is arranged on described neck fixedly in the guide hole, also is provided with screwed retaining ring on described neck hold-down screw
6, combination type as claimed in claim 5 surface displacement artificial hip joint is characterized in that: also be provided with femur pressurization nail hole on the described increased pressure board, be provided with hold-down screw in described femur pressurization nail hole.
7, combination type as claimed in claim 1 surface displacement artificial hip joint, it is characterized in that: the greater trochanter bottom at described displacement cover is provided with the staple seat, be provided with greater trochanter hold-down screw and screwed retaining ring in the described staple seat, described screwed retaining ring is arranged in the staple seat in the greater trochanter hold-down screw outside.
8, combination type as claimed in claim 2 surface displacement artificial hip joint, it is characterized in that: the upper end of described displacement cover is provided with a frustum, and described frustum is provided with perforate, and described perforate and frustum tight fit cover lower end closely cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230998 CN2616187Y (en) | 2003-05-08 | 2003-05-08 | Combined surface-replace artificial hip joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230998 CN2616187Y (en) | 2003-05-08 | 2003-05-08 | Combined surface-replace artificial hip joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2616187Y true CN2616187Y (en) | 2004-05-19 |
Family
ID=34247910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03230998 Expired - Fee Related CN2616187Y (en) | 2003-05-08 | 2003-05-08 | Combined surface-replace artificial hip joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2616187Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010075774A1 (en) * | 2008-12-30 | 2010-07-08 | Shih Lu-Sun | Replacing module for femoral head and surgical tools |
| CN113456305A (en) * | 2021-06-17 | 2021-10-01 | 嘉思特华剑医疗器材(天津)有限公司 | Bionic surface hip joint prosthesis convenient for operation |
| WO2022077192A1 (en) * | 2020-10-12 | 2022-04-21 | 董谢平 | Artificial hip joint femur-side prosthesis capable of preserving neck of femur |
-
2003
- 2003-05-08 CN CN 03230998 patent/CN2616187Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010075774A1 (en) * | 2008-12-30 | 2010-07-08 | Shih Lu-Sun | Replacing module for femoral head and surgical tools |
| CN101766508B (en) * | 2008-12-30 | 2013-05-01 | 施鲁孙 | Femoral head replacement module and surgical tool |
| WO2022077192A1 (en) * | 2020-10-12 | 2022-04-21 | 董谢平 | Artificial hip joint femur-side prosthesis capable of preserving neck of femur |
| CN113456305A (en) * | 2021-06-17 | 2021-10-01 | 嘉思特华剑医疗器材(天津)有限公司 | Bionic surface hip joint prosthesis convenient for operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |