Joint prosthesis
US4770658A · kind A · utility
56Cited by
9References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 1, 1987 |
| Grant date | Sep 13, 1988 |
| Priority date | — |
| Expiry date | May 1, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2220/0025
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A joint prosthesis is provided wherein an outer shell includes a liner to define an articulating interface with a head of a hip stem. A lock ring cooperates with the outer shell and the liner to oppose withdrawal of the head from the liner, and the lock ring is carried by the outer shell to permit insertion of the head during assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.