Endoprosthetic joint device
US4301552A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 10, 1979 |
| Grant date | Nov 24, 1981 |
| Priority date | — |
| Expiry date | Dec 10, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/3804
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The preferred endoprosthetic joint herein described is an elbow prosthesis of hingeless form comprising (1) a humeral component having an internal fixation surface means, and an external sellar-shaped, bearing surface and (2) an ulnar component having an internal sellar-shaped bearing surface complementary to that of the humeral component and external fixation surfaces, the bearing surfaces of the humeral and ulnar components being in rotatably sliding engagement when implanted and having throughout their respective lengths transversely curved complex concave and convex configurations which are complementary to each other. The form of endoprosthesis herein described may also be utilized as a knee, ankle and wrist joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.