Tibial implant for a knee prosthesis
US4769039A · kind A · utility
41Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 27, 1986 |
| Grant date | Sep 6, 1988 |
| Priority date | — |
| Expiry date | Aug 27, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/389
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The tibial implant is made with two truncoconical faces which extend from a common plane for different distances. The differential extent permits implantation in a natural tibia having sockets which have different degrees of wear, thus avoiding unnecessary loss of healthy bone during a resection procedure. The truncoconical faces are provided on metal bowls which can be welded together along a common plane and which together form a support to receive a plastic member providing the joint sliding surfaces and providing a pair of expansion elements for expanding barbed hollow bodies extending from the metal bowls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.