Finger joint prosthesis
US5092896A · kind A · utility
81Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1990 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Sep 24, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00293
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A finger joint prosthesis is provided with consists of two pegs of sintered hydroxylapatite for anchoring in adjacent finger bones and which is provided with an intermediate slide layer of polyurethane between the pegs to permit relative movement therebetween. The pegs together with the intermediate layer which may be anchored on one of the pegs form concave and convex bearing areas mating with each other to allow a guided motion in the bend-stretch plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.