CN2657617Y - Artificial hip joint femur handle - Google Patents
Artificial hip joint femur handleInfo
- Publication number
- CN2657617Y CN2657617Y CN 200320118370 CN200320118370U CN2657617Y CN 2657617 Y CN2657617 Y CN 2657617Y CN 200320118370 CN200320118370 CN 200320118370 CN 200320118370 U CN200320118370 U CN 200320118370U CN 2657617 Y CN2657617 Y CN 2657617Y
- Authority
- CN
- China
- Prior art keywords
- hip joint
- handle
- artificial hip
- utility
- model
- 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
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
-
- 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 discloses an improved artificial hip joint femur handle which is characterized in that a rough surface is arranged at the near end of a handle body to increase the friction coefficient and enlarge the contact surface of the handle and the bone tissue. The artificial hip joint femur handle achieves the fastening installation and less flexibility. The utility model enhances the service life of the product and eliminates the physiological burden of patients. The utility model is applicable to the hip bone replacement surgery for the hip joint disease.
Description
Affiliated technical field
This utility model relates to the artificial joint of medical domain, particularly a kind of improved artificial hip joint handle.
Background technology
The artificial hip joint handle is a body implant.The alternative of implant into body femoral bone cavitas medullaris when being used for the human hip pathological changes and need carrying out the orthopaedics replacement operation makes patient recover the physiological function of hip joint to a certain extent, and alleviating pain improves motion and improves the quality of living.In prior art, handle body near-end is not made this matsurface PROCESS FOR TREATMENT, is unfavorable for that bone depends on or bone is grown into.After using certain hour, loosening possibility is arranged, increased the mortality of replacement, increase the weight of patient's physiological load.
Summary of the invention
The purpose of this utility model is to provide a kind of improved artificial hip joint handle, can overcome existing artificial hip joint handle and implant defectives such as the back is easily loosening;
Task of the present utility model realizes by this way: this artificial hip joint includes the artificial hip joint handle of cervical vertebra mouth, handle neck, handle body disjunctor composition.It is characterized in that this artificial joint is to make matsurface at the near-end of handle body.
From above-mentioned improvement as can be known,, increase coefficient of friction, be beneficial to that bone depends on or bone is grown into, make it to install fastening, reach and be difficult for loosening purpose owing to make matsurface at the near-end of handle body.
When implementing this utility model, described handle body is made matsurface at near-end, is 3.2～1250 at the situation lower surface roughness Rz of the intensity that does not influence handle.The excessive intensity that influences handle of surface roughness Rz value is difficult for installing; Surface roughness Rz value is too small, does not reach the effect of the contact surface that increases coefficient of friction and increase and osseous tissue.
Description of drawings
Figure: be the sketch map of a kind of concrete structure of this utility model
The specific embodiment
As shown in the figure, the structure and the size of this utility model of cervical vertebra mouth 1, handle neck 2 and handle body 3 disjunctors composition and existing artificial hip joint handle are basic identical.It is not both the surface roughness Rz value of making matsurface 5,5 at handle body near-end 4 is 400.The matsurface 5 of this artificial hip joint stalk can adopt the metal vacuum essence that can plant human body to cast disjunctor with cervical vertebra mouth 1, handle neck 2, handle body 3 and make, and also can adopt to forge to be made into integration.The method that matsurface 5 also can adopt sandblasting machine directly to process handle body 3 near-ends 4 is made, and also can adopt hydroxyapatite or titanium to adopt the method for thermal spraying on handle body 3 near-ends 4, also can adopt the method for small metal particles stratiform sintering on handle body 3 near-ends 4 to make.
Claims (2)
1, a kind of artificial hip joint femoral shaft includes the artificial hip joint femoral shaft that cervical vertebra mouth (1), handle neck (2) and handle body (3) disjunctor are formed, and it is characterized in that making matsurface (5) at the near-end (4) of handle body (3).
2, artificial hip joint femoral shaft according to claim 1, the surface roughness Rz of the described matsurface of its feature (5) is 3.2～1250.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320118370 CN2657617Y (en) | 2003-11-24 | 2003-11-24 | Artificial hip joint femur handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320118370 CN2657617Y (en) | 2003-11-24 | 2003-11-24 | Artificial hip joint femur handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2657617Y true CN2657617Y (en) | 2004-11-24 |
Family
ID=34347269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320118370 Expired - Fee Related CN2657617Y (en) | 2003-11-24 | 2003-11-24 | Artificial hip joint femur handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2657617Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102871777A (en) * | 2012-09-26 | 2013-01-16 | 无锡市诚信洗选设备有限公司 | Anti-rotation anti-subsidence hip joint pseudo-stem |
| CN104622602A (en) * | 2013-11-15 | 2015-05-20 | 中国石油天然气股份有限公司 | artificial femoral stem |
| CN105105879A (en) * | 2015-07-27 | 2015-12-02 | 深圳市义和平有限公司 | Improved artificial hip joint femoral stem with porous film and preparation method thereof |
| CN105105880A (en) * | 2015-07-27 | 2015-12-02 | 深圳市义和平有限公司 | Improved artificial hip joint femoral stem with rough film and preparation method thereof |
| CN106880420A (en) * | 2015-12-16 | 2017-06-23 | 重庆润泽医药有限公司 | A kind of bionic hip-joint |
-
2003
- 2003-11-24 CN CN 200320118370 patent/CN2657617Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102871777A (en) * | 2012-09-26 | 2013-01-16 | 无锡市诚信洗选设备有限公司 | Anti-rotation anti-subsidence hip joint pseudo-stem |
| CN104622602A (en) * | 2013-11-15 | 2015-05-20 | 中国石油天然气股份有限公司 | artificial femoral stem |
| CN105105879A (en) * | 2015-07-27 | 2015-12-02 | 深圳市义和平有限公司 | Improved artificial hip joint femoral stem with porous film and preparation method thereof |
| CN105105880A (en) * | 2015-07-27 | 2015-12-02 | 深圳市义和平有限公司 | Improved artificial hip joint femoral stem with rough film and preparation method thereof |
| CN106880420A (en) * | 2015-12-16 | 2017-06-23 | 重庆润泽医药有限公司 | A kind of bionic hip-joint |
| CN106880420B (en) * | 2015-12-16 | 2019-02-19 | 重庆润泽医药有限公司 | A kind of bionic hip-joint |
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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: 20041124 Termination date: 20111124 |