Hip joint prosthesis
US4661112A · kind A · utility
57Cited by
6References
14Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Mar 4, 1985 |
| Grant date | Apr 28, 1987 |
| Priority date | — |
| Expiry date | Mar 4, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0026
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A ruff or collar is positioned on the hip joint prosthesis shank prior to insertion of a prosthesis into a bone. The ruff can be slipped onto the straight shank in the direction of the longitudinal axis from the distal. The ruff is fixed to the transition region between the shank and the prosthesis neck by means of conical clamping surfaces. A set of ruffs may be provided each of which has a different thickness and/or different angle between the underside bearing surface and the top surface to accommodate inaccuracies in a resection cut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.