CN203183087U - Artificial joint - Google Patents
Artificial joint Download PDFInfo
- Publication number
- CN203183087U CN203183087U CN 201320213552 CN201320213552U CN203183087U CN 203183087 U CN203183087 U CN 203183087U CN 201320213552 CN201320213552 CN 201320213552 CN 201320213552 U CN201320213552 U CN 201320213552U CN 203183087 U CN203183087 U CN 203183087U
- Authority
- CN
- China
- Prior art keywords
- joint
- artificial joint
- handle
- artificial
- joint handle
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The utility model relates to an artificial joint. The artificial joint comprises a helmet-shaped bulb (1) and a joint handle (3), and protruding components (2) are arranged at the same side of the upper portion of the joint handle (3); the joint handle (3) is a porous part; the joint handle (3) and the helmet-shaped bulb (1) are welded through a laser, and the joint handle (3) and the helmet-shaped bulb (1) are connected to be in an integral type. The artificial joint has the advantages of being simple in structure and achieving fixed connection of bones rapidly, the biological consistency of the artificial joint is greatly improved, the service life of the artificial joint is prolonged and the implantation comfort level of the artificial joint is improved.
Description
Technical field
This utility model relates to the joint prosthesis field, is specifically related to a kind of artificial joint with good biocompatibility.
Background technology
The joint is the hinge of human motion, since wound or pathological changes, possibility " scrapping ", and at this moment the doctor often will " scrap " arthrectomy, change artificial joint.Human synovial is the organ with vigor, and the artificial joint of changing all is unvital prosthese.
Artificial joint replacement is the articular surface excision with wear-out failure, as dress facing implantable artificial joint, makes it recover normal level and smooth articular surface.After joint replacement is finished in the prior art, often adopt bone cement that bone and artificial joint are fixed, but bone cement can cause the medullary cavity inner high voltage when filling once in a while, causes the fat drop intravasation, causes thromboembolism.In addition, it is different with skeleton after all, and the time is of a specified duration excessively, and artificial joint still may become flexible.And also there is certain defective in this body structure of artificial joint that is used for displacement, causes himself structure to connect built on the sand, and also may become flexible.In the prior art, select for use and the structure of artificial joint arrange and have certain defective, cause artificial joint to use back and tissue can occur repelling for a long time, and biocompatibility is relatively poor and influence its service life.
The utility model content
The purpose of this utility model is to provide a kind of artificial joint, and this artificial joint is simple in structure, can be connected with bone fixation fast, has excellent biological compatibility concurrently, has prolonged service life.
The purpose of this utility model is achieved in that
A kind of artificial joint, it comprises helmet shape bulb and joint handle, the same side, described joint handle top is provided with projecting member, with the coverage rate of increase with skeleton; Described joint handle is the porous product; Described joint handle and described helmet shape bulb adopt laser weld, and joint handle and helmet shape bulb are connected as one formula, make it more solid and reliable.
Above-mentioned joint handle preferably adopts the porous tantalum product.Find that through studying for a long period of time the porous tantalum product in the biocompatibility that has improved joint handle greatly, has also well satisfied its mechanical property, improved its service life greatly and implanted comfort level.Above-mentioned porous tantalum product can adopt preparations such as foam dipping method, die pressing, and its porosity is 60 ~ 70%.
Further, above-mentioned helmet shape bulb semicircular in shape is convenient to the rotation in the utilization process.
The utlity model has following beneficial effect:
This utility model is provided with projecting member in the same side, joint handle top, has increased the coverage rate with skeleton, thus the effect of having saved bone cement, and by laser weld, make joint handle and helmet shape bulb connect as one formula, make it more solid and reliable.Have simple in structurely, realized rapidly and characteristics such as bone fixation is connected.Be set to the porous tantalum product by joint handle again, improved the biocompatibility of this artificial joint greatly, also well satisfied its mechanical property simultaneously, improved the service life of this artificial joint greatly and implanted comfort level.
Description of drawings
Fig. 1 is the structural representation of artificial joint described in this utility model embodiment 1.
The specific embodiment
Be this utility model preferred embodiment below, and be not for limiting protection domain of the present utility model.
Embodiment 1
As shown in Figure 1: a kind of artificial joint, it comprises helmet shape bulb 1 and joint handle 3, the same side, joint handle 3 top is provided with projecting member 2, with the coverage rate of increase with skeleton; Joint handle 3 is the porous tantalum product, and its porosity is 60 ~ 70%; Joint handle 3 and helmet shape bulb 1 adopt laser weld, and joint handle 3 and helmet shape bulb 1 are connected as one formula, make it more solid and reliable; Helmet shape bulb 1 semicircular in shape is convenient to the rotation in the utilization process.
Owing to be provided with projecting member 2 in the same side, joint handle 3 top, increased the coverage rate with skeleton, thus the effect of having saved bone cement; Have simple in structurely, utilize the change of artificial joint structure, realized rapidly and characteristics such as bone fixation is connected.
Claims (3)
1. artificial joint, it comprises helmet shape bulb (1) and joint handle (3), described joint handle (3) the same side, top is provided with projecting member (2); Described joint handle (3) is the porous product; Described joint handle (3) and described helmet shape bulb (1) adopt laser weld, and joint handle (3) and helmet shape bulb (1) are connected as one formula.
2. artificial joint according to claim 1 is characterized in that: described joint handle (3), adopt the porous tantalum product, and its porosity is 60 ~ 70%.
3. artificial joint according to claim 1 and 2 is characterized in that: described helmet shape bulb (1) semicircular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320213552 CN203183087U (en) | 2013-04-25 | 2013-04-25 | Artificial joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320213552 CN203183087U (en) | 2013-04-25 | 2013-04-25 | Artificial joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203183087U true CN203183087U (en) | 2013-09-11 |
Family
ID=49099993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320213552 Expired - Fee Related CN203183087U (en) | 2013-04-25 | 2013-04-25 | Artificial joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203183087U (en) |
-
2013
- 2013-04-25 CN CN 201320213552 patent/CN203183087U/en not_active Expired - Fee Related
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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: 20130911 Termination date: 20190425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |