CN201168073Y - Artificial femoral head nested on femur neck - Google Patents
Artificial femoral head nested on femur neck Download PDFInfo
- Publication number
- CN201168073Y CN201168073Y CNU200820107861XU CN200820107861U CN201168073Y CN 201168073 Y CN201168073 Y CN 201168073Y CN U200820107861X U CNU200820107861X U CN U200820107861XU CN 200820107861 U CN200820107861 U CN 200820107861U CN 201168073 Y CN201168073 Y CN 201168073Y
- Authority
- CN
- China
- Prior art keywords
- neck
- femur
- nested
- artificial thigh
- artificial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
The utility model relates to an artificial femoral head which is embedded in a femoral neck, the artificial femoral head comprises a spherical articular surface and a femoral neck sleeve hole, an internal three-dimensional net body is integratedly formed on the surface of the femoral neck sleeve hole, a plurality of holes from surface to interior are arranged on the surface of the internal three-dimensional net body, the interior of the internal three-dimensional net body is communicated with transverse hole channels of part or all the holes, and the transverse hole channels of the internal three-dimensional net body are single-layer hole channels or multi-layer hole channels. When in operation, the osteonecrosis part of the femoral head is removed, the femoral neck is retained as long as possible, then a special surgical instrument is used for trimming the head end of the femoral neck into the shape which is coincided with the femoral neck sleeve hole, and the artificial femoral head is sheathed at the head end of the femoral neck and pressed in. If the artificial hip arthroplasty rebuild operation needs to be carried out after the articular surface is worn through a certain period of time after the installation of the artificial femoral head, the type of the products or the previous practice can be continuously used for implementing the femoral neck excision and implanting an artificial femoral stem, thereby increasing more than one time of long-term rebuild opportunity for a patient.
Description
Technical field
This utility model relates to a kind of artificial thigh bone that is nested in neck of femur.
Background technology
Femur head necrosis is a kind of common orthopaedic disease, what adopt substantially when carrying out hip replacement surgery at present is from greater trochanter to lesser trochanter under the neat undercut with the femoral head of necrosis and neck of femur, implantable artificial femoral stem and manual acetabulum and femoral head then, the defective of this way is to have abandoned the neck of femur that major part still is in intact health status, has lost simultaneously to keep the complete chance of near end of thighbone in the future when doing revision procedure.
The utility model content
The purpose of this utility model provides a kind of artificial thigh bone that is nested in neck of femur that can keep healthy neck of femur.
For achieving the above object, this utility model is taked following design:
A kind of artificial thigh bone that is nested in neck of femur, it is characterized in that, it has spherical joint face and neck of femur trepanning, three-dimensional dictyosome in described neck of femur cover hole surface is formed with, the surface of three-dimensional dictyosome has most by table hole inwards in described, three-dimensional dictyosome inside has the horizontal duct in connected component or whole holes in described, and the horizontal duct of described interior three-dimensional dictyosome is monolayer duct or multilamellar duct.
Described neck of femur trepanning bottom has protruded out handle in the column marrow, the surface of handle is formed with outer three-dimensional dictyosome in the described marrow, the surface of described outer three-dimensional dictyosome has most by table hole inwards, described outer three-dimensional dictyosome inside has the horizontal duct in connected component or whole holes, and the horizontal duct of described outer three-dimensional dictyosome is monolayer duct or multilamellar duct.
Described outer three-dimensional dictyosome is arranged in the whole surface or the local surfaces of handle in the described marrow.
The surface of described outer three-dimensional dictyosome has the hydroxyapatite coating layer that can induce osteocyte to grow into.
Three-dimensional dictyosome is arranged in the whole surface or the local surfaces of described neck of femur trepanning in described.
The surface of three-dimensional dictyosome has the hydroxyapatite coating layer that can induce osteocyte to grow in described.
Described artificial thigh bone adopts medical metal or bioceramic to make.
The utility model has the advantages that:
1, a kind of artificial thigh bone that is nested in neck of femur of this utility model, it has spherical joint face and neck of femur trepanning, the surface of neck of femur trepanning is formed with interior three-dimensional dictyosome, the surface of interior three-dimensional dictyosome has most by table hole inwards, the inside of interior three-dimensional dictyosome has the horizontal duct in connected component or whole holes, and the horizontal duct of interior three-dimensional dictyosome is monolayer duct or multilamellar duct.Remove the femur head necrosis part during operation earlier, Chang reservation neck of femur as far as possible, use special-purpose operating theater instruments the neck of femur head end to be trimmed to the shape that matches with the neck of femur trepanning then, artificial thigh bone is placed in the neck of femur head end and is pressed into, fit tightly until the outer three-dimensional dictyosome of neck of femur trepanning inner wall surface and the sclerotin of neck of femur, after this artificial femoral head is installed, in the hole of the chimeric interior three-dimensional dictyosome of growing into of osteocyte meeting and the duct and around locking, reach and prevent to take place between artificial thigh bone and sclerotin loosening effect long-term effectively, when after articular surface is through the some time wearing and tearing, carrying out the artificial hip joint revision procedure if desired, can continue to use this series products or carry out neck of femur excision implantable artificial femoral stem, can overhaul chance once above long term for the patient increases thus according to current before this way.
2, a kind of artificial thigh bone that is nested in neck of femur of this utility model, wherein neck of femur trepanning bottom has protruded out handle in the column marrow, the surface of handle is formed with outer three-dimensional dictyosome in the marrow, the surface of outer three-dimensional dictyosome has most by table hole inwards, outer three-dimensional dictyosome inside has the horizontal duct in connected component or whole holes, and the horizontal duct of outer three-dimensional dictyosome is monolayer duct or multilamellar duct.During operation the neck of femur pulp cavity corresponding to marrow in the handle position get out the bottom outlet that matches with handle in the marrow, handle in the marrow is pressed into outer three-dimensional dictyosome and sclerotin are fitted tightly, outside can chimericly growing into, osteocyte in the hole of three-dimensional dictyosome and the duct and around locking, reaches the effect that prevents that long-term effectively generation is become flexible between artificial thigh bone and sclerotin.
3, a kind of artificial thigh bone that is nested in neck of femur of this utility model makes outer three-dimensional dictyosome and interior three-dimensional dictyosome be arranged in the whole surface or the local surfaces of handle and neck of femur trepanning in the marrow respectively according to the different needs of sclerotin damaged condition.
4, a kind of artificial thigh bone that is nested in neck of femur of this utility model, the hydroxyapatite coating layer on the surface of its China and foreign countries' three dimensional network body and interior three-dimensional dictyosome has the effect that can induce osteocyte to grow into, and this hydroxyapatite coating layer can adopt conventional plasma spraying method or the heavy collection method of electrochemistry to form.
5, a kind of artificial thigh bone that is nested in neck of femur of this utility model, the horizontal duct of its China and foreign countries three dimensional network body and interior three-dimensional dictyosome is the monolayer duct, if look darker and sclerotin is connected more firm with the artificial thigh bone that is nested in neck of femur then adopts the multilamellar duct for the ease of sclerotin.
6, a kind of artificial thigh bone that is nested in neck of femur of this utility model, it uses medical metal or bioceramic to make, so it has good biocompatibility.
Description of drawings
Fig. 1 is this utility model embodiment one stereochemical structure cross-sectional schematic
Fig. 2 is this utility model embodiment two perspective view
Fig. 3 is this utility model embodiment two stereochemical structure cross-sectional schematic
Fig. 4 is this utility model embodiment two user mode structural representations
Fig. 5 is interior three dimensional network body structure one sketch map (three-dimensional dictyosome laterally has the monolayer mesh wherein) in this utility model
Fig. 6 is interior three dimensional network body structure two sketch maps (three-dimensional dictyosome laterally has two-layer mesh wherein) in this utility model
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of artificial thigh bone that is nested in neck of femur of this utility model, it is characterized in that, it has spherical joint face 1 and neck of femur trepanning 2, neck of femur trepanning 2 surfaces are formed with interior three-dimensional dictyosome 3, the surface of interior three-dimensional dictyosome 3 has most by table hole 4 inwards, interior three-dimensional dictyosome 3 inside have the horizontal duct 5 in connected component or whole holes, and the horizontal duct 5 of interior three-dimensional dictyosome 3 is monolayer duct (as shown in Figure 5) or two-layer duct (as shown in Figure 6) or other multilamellar duct.
A kind of artificial thigh bone that is nested in neck of femur of this utility model, wherein neck of femur trepanning 2 bottoms have protruded out handle 6 in the column marrow, the surface of handle 6 is formed with outer three-dimensional dictyosome 7 in the marrow, as interior three-dimensional dictyosome 3, the surface of outer three-dimensional dictyosome 7 has most by table hole inwards, outer three-dimensional dictyosome 7 inside have the horizontal duct in connected component or whole holes, and the horizontal duct of outer three-dimensional dictyosome 7 is monolayer duct or two-layer duct or other multilamellar duct.During operation the neck of femur pulp cavity corresponding to marrow in handle 6 positions get out the bottom outlet 8 that matches with handle in the marrow, handle in the marrow 6 is pressed into outer three-dimensional dictyosome 7 is fitted tightly with sclerotin, outside can chimericly growing into, osteocyte in the hole of three-dimensional dictyosome 7 and the duct and around locking, reaches the effect that prevents that long-term effectively generation is become flexible between artificial thigh bone and sclerotin.
A kind of artificial thigh bone that is nested in neck of femur of this utility model, wherein, outer three-dimensional dictyosome 7 is arranged in the whole surface or the local surfaces of handle 6 in the marrow.
A kind of artificial thigh bone that is nested in neck of femur of this utility model, wherein, the surface of outer three-dimensional dictyosome 7 has the hydroxyapatite coating layer that can induce osteocyte to grow into.
A kind of artificial thigh bone that is nested in neck of femur of this utility model, wherein, interior three-dimensional dictyosome 3 is arranged in the whole surface or the local surfaces of neck of femur trepanning 2.
A kind of artificial thigh bone that is nested in neck of femur of this utility model, wherein, the surface of interior three-dimensional dictyosome 3 has the hydroxyapatite coating layer that can induce osteocyte to grow into.
A kind of artificial thigh bone that is nested in neck of femur of this utility model, wherein, artificial thigh bone adopts medical metal or bioceramic to make.
A kind of artificial thigh bone that is nested in neck of femur of this utility model, wherein, the horizontal duct 5 of interior three-dimensional dictyosome 3 and the horizontal duct of outer three-dimensional dictyosome 7 can be respectively to be arranged in parallel or arranged crosswise or reticulate layout.
The processing method that this utility model is nested in the artificial thigh bone of neck of femur is: set up the artificial thigh bone physical model that is nested in neck of femur in electronic computer, adopt laser or high-power electron beam processing method melt molding then, can also with methods such as spark machined, chemical attack cast or the artificial thigh bone blank surface etch that is nested in neck of femur of forging molding, erode away needed in three-dimensional dictyosome and outside the three dimensional network body structure, also can obtain required interior three-dimensional dictyosome and outer three dimensional network body structure in addition with powder sintering method.
Claims (10)
1, a kind of artificial thigh bone that is nested in neck of femur, it is characterized in that, it has spherical joint face and neck of femur trepanning, three-dimensional dictyosome in described neck of femur cover hole surface is formed with, the surface of three-dimensional dictyosome has most by table hole inwards in described, three-dimensional dictyosome inside has the horizontal duct in connected component or whole holes in described, and the horizontal duct of described interior three-dimensional dictyosome is monolayer duct or multilamellar duct.
2, the artificial thigh bone that is nested in neck of femur according to claim 1, it is characterized in that, described neck of femur trepanning bottom has protruded out handle in the column marrow, the surface of handle is formed with outer three-dimensional dictyosome in the described marrow, the surface of described outer three-dimensional dictyosome has most by table hole inwards, described outer three-dimensional dictyosome inside has the horizontal duct in connected component or whole holes, and the horizontal duct of described outer three-dimensional dictyosome is monolayer duct or multilamellar duct.
3, the artificial thigh bone that is nested in neck of femur according to claim 2 is characterized in that, described outer three-dimensional dictyosome is arranged in the whole surface or the local surfaces of handle in the described marrow.
4, the artificial thigh bone that is nested in neck of femur according to claim 2 is characterized in that, the surface of described outer three-dimensional dictyosome has hydroxyapatite coating layer.
According to claim 1 or 2 or the 3 or 4 described artificial thigh bonees that are nested in neck of femur, it is characterized in that 5, described interior three-dimensional dictyosome is arranged in the whole surface or the local surfaces of described neck of femur trepanning.
According to claim 1 or 2 or the 3 or 4 described artificial thigh bonees that are nested in neck of femur, it is characterized in that 6, the surface of described interior three-dimensional dictyosome has hydroxyapatite coating layer.
7, the artificial thigh bone that is nested in neck of femur according to claim 5 is characterized in that, the surface of described outer three-dimensional dictyosome has hydroxyapatite coating layer.
According to claim 1 or 2 or the 3 or 4 described artificial thigh bonees that are nested in neck of femur, it is characterized in that 8, described artificial thigh bone adopts medical metal or bioceramic to make.
9, the artificial thigh bone that is nested in neck of femur according to claim 5 is characterized in that, described artificial thigh bone adopts medical metal or bioceramic to make.
10, the artificial thigh bone that is nested in neck of femur according to claim 6 is characterized in that, described artificial thigh bone adopts medical metal or bioceramic to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820107861XU CN201168073Y (en) | 2008-03-24 | 2008-03-24 | Artificial femoral head nested on femur neck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820107861XU CN201168073Y (en) | 2008-03-24 | 2008-03-24 | Artificial femoral head nested on femur neck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201168073Y true CN201168073Y (en) | 2008-12-24 |
Family
ID=40207122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820107861XU Expired - Fee Related CN201168073Y (en) | 2008-03-24 | 2008-03-24 | Artificial femoral head nested on femur neck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201168073Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104185457A (en) * | 2012-02-24 | 2014-12-03 | 陶瓷技术有限责任公司 | Cement-free surface replacement prosthesis for natural femur head |
-
2008
- 2008-03-24 CN CNU200820107861XU patent/CN201168073Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104185457A (en) * | 2012-02-24 | 2014-12-03 | 陶瓷技术有限责任公司 | Cement-free surface replacement prosthesis for natural femur head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11559403B2 (en) | Modular augment component | |
| CN201164513Y (en) | Artificial hip joint and femur shaft | |
| CN101708138A (en) | Artificial knee joint bone fusion prosthesis | |
| CN209059542U (en) | A kind of 3D printing metal bone trabecula surface hip joint prosthese | |
| CN110840626A (en) | Femoral stem prosthesis design method | |
| CN101843533A (en) | Artificial hip joint on bone trabecula microporous surface | |
| JP6219926B2 (en) | Bone end or dental prosthetic elements such as fingers or toes, and corresponding production methods | |
| CN103622765A (en) | Artificial hip joint structure | |
| CN201755260U (en) | Bone trabecula micropore surface artificial hip joint | |
| CN101708135A (en) | Artificial hip joint bone fusion femoral stem | |
| CN201164511Y (en) | Artificial hip joint acetabulum exterior lining | |
| CN101548915A (en) | Artificial knee joint | |
| CN101708134A (en) | Artificial hip stem with low elasticity modulus | |
| CN201394097Y (en) | Artificial hip joint and femoral stem with low elastic modulus | |
| CN101524295A (en) | Artificial hip joint acetabulum outside liner | |
| CN101708136A (en) | Artificial bone fusion caput femoris nested in collum femoris | |
| CN203609546U (en) | Artificial hip joint structure | |
| CN201168073Y (en) | Artificial femoral head nested on femur neck | |
| CN201394098Y (en) | Artificial hip joint fused femoral stem | |
| CN201200500Y (en) | Artificial knee joint | |
| CN201414855Y (en) | Artificial knee-joint bone fusion prosthesis | |
| CN105105876A (en) | Improved artificial hip joint outer metal acetabular cup with porous film and preparation method thereof | |
| CN101543435A (en) | Artificial femoral head nested in femoral neck | |
| CN104622603A (en) | Combined type femoral stem | |
| CN103705319A (en) | Biological fixation type tibia platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081224 Termination date: 20120324 |