Artificial stem for femur of coxa
US4979958A · kind A · utility
11Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1989 |
| Grant date | Dec 25, 1990 |
| Priority date | — |
| Expiry date | Sep 26, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0017
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An artificial stem for femur of coxa in a human body comprises a stem element, a head and a neck connecting the both, each side surface of the stem element corresponding to the indise or outside of a human body being formed by a specific curved or straight line respectively, the cross section of the stem element having a specific shape, and scale-like step patterns being formed on both the front and back surfaces, thereby improving the fitness to the femur of a small body person like Japanese, the stability and the anti-twisting strength after insertion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.