Artificial joint fixation to bone
US4549319A · kind A · utility
202Cited by
11References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1982 |
| Grant date | Oct 29, 1985 |
| Priority date | — |
| Expiry date | Aug 3, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2220/0008
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A joint prosthesis for fixation to the bone having a joint motion element and a stem attached thereto and extending into the central canal of the bone into which the prosthesis is to be fixed. That part of the prosthesis at the end of the bone located near the joint motion element defining an external geometric pattern of elongated projections spaced circumferentially around the prosthesis which engages with the bone when implanted thereby establishing a tight fit between the prosthesis and the bone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.