CN2552503Y - Artificial hip joint handle - Google Patents
Artificial hip joint handle Download PDFInfo
- Publication number
- CN2552503Y CN2552503Y CN 02271916 CN02271916U CN2552503Y CN 2552503 Y CN2552503 Y CN 2552503Y CN 02271916 CN02271916 CN 02271916 CN 02271916 U CN02271916 U CN 02271916U CN 2552503 Y CN2552503 Y CN 2552503Y
- Authority
- CN
- China
- Prior art keywords
- hip joint
- handle
- artificial hip
- joint handle
- utility
- 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
Abstract
The utility model relates to an improved artificial hip joint handle, which is characterized in that a plurality of horizontal zigzag convex edges are positioned on the surface of the proximal end of the handle body of the prior artificial hip joint from top to down; the convex edges are equidistant and balanceable. Compared with the prior art, the artificial hip joint has the advantages of avoiding the condition that the artificial hip joint handle is easy to loose and sink in the hip marrow cavity of human body and lifting the stability of the implanted hip joint handle, achieving good application effect; in addition, the utility model is suitable for the bone replacement surgery for the lesion of the human hip joint.
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, is used for inserting when the human hip pathological changes need be carried out the orthopaedics replacement operation alternative of human femur under loading pulp cavity, makes patient recover the physiological function of hip joint to a certain extent, and alleviating pain improves motion and quality of life.In prior art, the near-end of artificial hip joint handle is consistent with the thickness of far-end.In order to increase the friction of near-end and human femur under loading pulp cavity, also set up the Margarita shape particulate matter of many disjunctors on its surface, through repeatedly clinical examination confirmation, following weak point has appearred in the artificial marrow joint handle of this conventional structure: the set Margarita shape granule of the first is arranged unordered, density differs, it is uneven to cause biomechanics to distribute, and the local area is easy to generate stress concentration, and it is loosening to cause the bone dissolving to produce; It two is because the transition junction of its near-end and far-end there is no thickening, this is in is easy to generate looseningly in the human body hip motor process, and progressively sinking finally causes operative failure.
Summary of the invention
The purpose of this utility model is to provide a kind of improved artificial hip joint handle, can overcome defectives such as existing artificial hip joint handle is loosening easily, sinking.
Task of the present utility model realizes by this way: this artificial hip joint handle comprises an artificial hip joint handle of being made up of cervical vertebra mouth, handle neck and handle body disjunctor, it is characterized in that some levels being set and mutual equidistant equilibrated zigzag fin from top to bottom on the surface of handle body near-end.
From above-mentioned improvement as can be known, because zigzag fin angle has been set up at the near-end position of handle body, the company that has increased between handle body near-end and the human femur under loading pulp cavity touches area, increased frictional force between the two, and the downward zigzag fin of teeth directional can prevent effectively that the handle body from sliding to femoral bone cavitas medullaris.In addition, make handle body close end closely than far-end thickening, increased the pressure that the handle body is inserted femur again owing to be provided with zigzag fin angle.Therefore, compared with the prior art this utility model can prevent effectively that artificial hip joint handle situation loosening easily and that sink in femoral bone cavitas medullaris from taking place.The artificial hip joint handle of implantation can stably be put in the femoral bone cavitas medullaris, and prevent that the handle body from rotating, and reached good result of use in femoral bone cavitas medullaris.
When implementing this utility model, the tooth depth of described zigzag fin is 0.5～1.0 millimeter, tooth pitch be 2.5～4.5 millimeters proper.The too high meeting of tooth depth excessively increases assembling pressure, diminishes medullary cavity, and too small effect is not obvious; Tooth pitch is crossed conference and is reduced contact area, and too small being unfavorable for makes.
Description of drawings
Fig. 1 is the sketch map of a kind of concrete structure of this utility model.
Fig. 2 is that the A of Fig. 1 is to view.
The specific embodiment
As depicted in figs. 1 and 2, this utility model of being made up of cervical vertebra mouth 1, handle neck 2 and handle body 3 disjunctors is identical with the structure and the size of existing artificial hip joint handle basically, and its difference is on near-end 4 surfaces of handle body 3 many levels to be set from top to bottom and equidistant equilibrated zigzag fin 5 mutually.The tooth depth of this zigzag fin 5 is 0.75 millimeter.Tooth pitch is 3.5 millimeters.6 is the far-end of handle body 3 among the figure.The cervical vertebra mouth 1 of this artificial hip joint stalk, handle neck 2, handle body 3 with and near-end 4 on zigzag fin 5 be to adopt the titanium alloy vacuum essence to cast together disjunctor and make, also can adopt the constant temperature forging to make.
Claims (2)
1, a kind of artificial hip joint handle, include an artificial hip joint handle of forming by cervical vertebra mouth (1), handle neck (2) and handle body (3) disjunctor, it is characterized in that some levels being set from top to bottom and equidistant equilibrated zigzag fin (5) mutually on the surface of the near-end (4) of handle body (3).
2, artificial hip joint handle according to claim 1, the tooth depth of the described zigzag fin of its feature (5) is 0.5～1.0 millimeter, tooth pitch is 2.5～4.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02271916 CN2552503Y (en) | 2002-07-23 | 2002-07-23 | Artificial hip joint handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02271916 CN2552503Y (en) | 2002-07-23 | 2002-07-23 | Artificial hip joint handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2552503Y true CN2552503Y (en) | 2003-05-28 |
Family
ID=33736700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02271916 Expired - Fee Related CN2552503Y (en) | 2002-07-23 | 2002-07-23 | Artificial hip joint handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2552503Y (en) |
Cited By (2)
| 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 |
| CN110292469A (en) * | 2019-06-25 | 2019-10-01 | 丁浩男 | A kind of interim prosthese of infection-resistant medical |
-
2002
- 2002-07-23 CN CN 02271916 patent/CN2552503Y/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| CN110292469A (en) * | 2019-06-25 | 2019-10-01 | 丁浩男 | A kind of interim prosthese of infection-resistant medical |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WU DONG Free format text: NEW ADDRESS: 3/F, A1, TEFALONGFEI INDUSTRIAL PARK, LONGPING XI ROAD, SHENZHEN CITY, GUANGDONG PROVINCE, ZIP CODE:518172 |
|
| CP02 | Change in the address of a patent holder |
Address after: Guangdong province Shenzhen city Longgang District Center City Tefalongfei Industrial Park A1- three floor, zip code: 518172 Patentee after: Wu Dong Address before: Guangzhou City, Guangdong Province Dongfeng West Road No. 142 South Building Room 1009, zip code: 510170 Patentee before: Wu Dong |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030528 Termination date: 20110723 |