Acetabular cup
US5009665A · kind A · utility
27Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1989 |
| Grant date | Apr 23, 1991 |
| Priority date | — |
| Expiry date | Feb 8, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/3412
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved acetabular cup for use in cement fixation has at least one flat area on its generally hemispherical outer surface. The flat area resists rotation of the cup in the cement mantle after implantation while avoiding concentrations of stress in the mantle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.