Articular prosthetic device
US5405392A · kind A · utility
Inventor
Key dates
| Filing date | Jun 8, 1993 |
| Grant date | Apr 11, 1995 |
| Priority date | — |
| Expiry date | Jun 8, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0067
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Articular prosthetic device which comprises: a half-shell having an inner surface and an insert having an outer surface, the inner surface of the half-shell and the outer surface of the insert being shaped so that the insert is retained within the half-shell when it is pushed therein, by applying a force thereto directed along an axis of impaction, with surface contact between the two mating surfaces, the outer surface of the insert comprising a plurality of sections, each section forming, in cross-section, with the impaction axis, an internal angle of less than 12.degree., the inner surface of the half-shell comprising portions mating with the sections and forming in cross-section, with the impaction axis, an external angle substantially equal to the internal angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.