Prosthetic bearing element and method of manufacture
US5879387A · kind A · utility
79Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1997 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Sep 19, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00952
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A prosthetic bearing element comprises a backing which supports a bearing liner having a bearing surface. The backing is made from a "hard" polymeric material having a minimum hardness value of 55 N/mm.sup.2 and the bearing liner is made from a "soft" elastomeric polyurethane material having a hardness value of 3.0 to 9.0 N/mm.sup.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.