CN203328853U - Hip joint implant - Google Patents
Hip joint implant Download PDFInfo
- Publication number
- CN203328853U CN203328853U CN2013202184439U CN201320218443U CN203328853U CN 203328853 U CN203328853 U CN 203328853U CN 2013202184439 U CN2013202184439 U CN 2013202184439U CN 201320218443 U CN201320218443 U CN 201320218443U CN 203328853 U CN203328853 U CN 203328853U
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- China
- Prior art keywords
- femoral stem
- tuberosity
- wing
- hip joint
- neck
- 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.)
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Abstract
The utility model discloses a hip joint implant, which comprises a femoral neck 1, a tuberosity wing 2 and a femoral stem 3, wherein the section of the femoral neck 1 is of an oval, a microgroove 31 is arranged on one end of the femoral stem 3 close to the tuberosity wing 2, a crest-shaped protuberance 32 which consists of porous tantalums is arranged on the side surface of the femoral stem 3, and a polishing type bullet point 33 is arranged on one end of the femoral stem 3 far away from the tuberosity wing 2. The hip joint implant has excellent rotating resistance and stability, greatly reduces thigh pain and skin wear, enhances feeling of comfort after being implanted, improves biocompatibility, and has outstanding use effect.
Description
Technical field
This utility model relates to a kind of hip joint kind of plant, relates in particular to a kind of anti-rotation, stability is strong, comfort is strong, the hip joint kind of plant of good biocompatibility.
Background technology
Existing more advanced hip joint kind of plant is comprised of column type neck of femur, proximal end face micropore and far-end circular cone, have advantages of easy to process, the construction cycle is short.But but find in actual use, existing hip joint kind of plant is after implant into body, movable between the angle of column type neck of femur and the formation of acetabular bone edge, the femur range of activity is limited, increased the risk of acetabular bone dislocation, and be unfavorable for that bone grows into, easily loosening, the coupling of far-end circular cone and pulp cavity is not good, can affect the pulp cavity blood supply.
Learn thus, existing hip joint kind of plant, in structure and use, obviously still has inconvenience and defect, is urgently improved.How developing a kind of strong also hip joint kind of plant of effective anti-rotational new structure of stability of implanting, is one of current important research topic in this area.
The utility model content
In view of the foregoing defects the prior art has, this utility model aims to provide a kind of anti-rotation, stability is strong, comfort is strong, the hip joint kind of plant of good biocompatibility.
To achieve these goals, this utility model by the following technical solutions: the hip joint kind of plant is comprised of neck of femur, the tuberosity wing and femoral stem; Described neck of femur cross section is oval; Described femoral stem is provided with microflute near an end of the tuberosity wing; Described femoral stem side is provided with the ridge shape projection that porous tantalum forms; Described femoral stem away from an end of the tuberosity wing with polishing type bullet-shaped termination.
As the improvement to the technical program, described ridge shape projection quantity is 4.
As the improvement to the technical program, described femoral stem cross section is approximate rectangular.
Compared with the prior art, this utility model, owing to having adopted technique scheme, has splendid anti-verticity and stability, thigh pain and cortex wearing and tearing have been greatly reduced, strengthen the comfort after implanting, improved biocompatibility, there is outstanding result of use.
The accompanying drawing explanation
The structural representation that Fig. 1 is this utility model embodiment.
Fig. 2 is the femoral stem cross sectional representation.
In figure: 1 neck of femur, the 2 tuberosity wings, 3 femoral stem, 31 microflutes, 32 ridge shape projections, 33 bullet-shaped terminations.
The specific embodiment
Below by embodiment, this utility model is specifically described; be necessary to be pointed out that at this following examples are only for being further detailed this utility model; can not be interpreted as the restriction to this utility model protection domain, those skilled in the art can make some nonessential improvement and adjustment to this utility model according to foregoing.
Embodiment: a kind of hip joint kind of plant, as depicted in figs. 1 and 2, the hip joint kind of plant is comprised of neck of femur 1, the tuberosity wing 2 and femoral stem 3; Described neck of femur 1 cross section is oval; Described femoral stem 3 is provided with microflute 31 near an end of the tuberosity wing 2; Described femoral stem 3 sides are provided with the ridge shape projection 32 that porous tantalum forms; Described femoral stem 3 away from an end of the tuberosity wing 2 with polishing type bullet-shaped termination 33.
Preferably 4 of described ridge shape projection 32 quantity.
In order to play the matching degree of better anti-rotate effect, enhancing and human body, described femoral stem 3 cross sections are approximate rectangular.
The main body of neck of femur, the tuberosity wing and femoral stem is compact metal, preferably titanium.Neck of femur is oval, has increased the range of activity of implant.Microflute design makes implant bone grafting automatically in implantation process, has guaranteed implant stablizing after implanting.Ridge shape projection makes implant have splendid anti-verticity and stability.Porous tantalum has very high biocompatibility, can start rapidly bone tissue growth, forms anti-rotation sclerotin form, to improving stability, benefits.
The cortex shock has been avoided in polishing type bullet-shaped termination, has greatly reduced thigh pain and cortex wearing and tearing, improves comfort property.Implant really, according to patient's pulp cavity design, can be made into all size to adapt to different patients' needs, has very strong adaptability and matching, and practical value is high, and result of use is good.
Claims (3)
1. a hip joint kind of plant, it is characterized in that: described hip joint kind of plant is comprised of neck of femur (1), the tuberosity wing (2) and femoral stem (3); Described neck of femur (1) cross section is oval; Described femoral stem (3) is provided with microflute (31) near an end of the tuberosity wing (2); Described femoral stem (3) side is provided with the ridge shape projection (32) that porous tantalum forms; Described femoral stem (3) away from an end of the tuberosity wing (2) with polishing type bullet-shaped termination (33).
2. Dnetal implant component as claimed in claim 1, it is characterized in that: described ridge shape projection (32) quantity is 4.
3. Dnetal implant component as claimed in claim 1 or 2, it is characterized in that: described femoral stem (3) cross section is approximate rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202184439U CN203328853U (en) | 2013-04-26 | 2013-04-26 | Hip joint implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202184439U CN203328853U (en) | 2013-04-26 | 2013-04-26 | Hip joint implant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203328853U true CN203328853U (en) | 2013-12-11 |
Family
ID=49697561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202184439U Expired - Fee Related CN203328853U (en) | 2013-04-26 | 2013-04-26 | Hip joint implant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203328853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913398A (en) * | 2015-12-25 | 2017-07-04 | 重庆润泽医药有限公司 | A kind of hip-joint replacement prosthesis |
-
2013
- 2013-04-26 CN CN2013202184439U patent/CN203328853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913398A (en) * | 2015-12-25 | 2017-07-04 | 重庆润泽医药有限公司 | A kind of hip-joint replacement prosthesis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20190426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |