Prosthetic patella implant of the knee joint
US5580353A · kind A · utility
Inventors
Key dates
| Filing date | Jan 19, 1995 |
| Grant date | Dec 3, 1996 |
| Priority date | — |
| Expiry date | Jan 19, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0021
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A patella (knee cap) implant for fixation to the remaining portion of a natural patella and for sliding over a femoral articulating member, the implant including an upper surface, typically convex, for sliding over the femoral articulating member, typically a groove, and a concave undersurface for fixation to the remaining portion of the natural patella. Also provided is a tool for preparing the natural patella to accept a patella implant and a method for surgically fixing the patella implant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.