Acetabular cup inserter for orthopedic
US5584837A · kind A · utility
Inventor
Key dates
| Filing date | Jan 27, 1995 |
| Grant date | Dec 17, 1996 |
| Priority date | — |
| Expiry date | Jan 27, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/3403
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Embodiments of an acetabular cup inserter include an elongated stem to which a handle is assembled in such a way that its orientation with respect to the stem may be adjusted 360.degree., that is, completely about the periphery of the stem. A buttress device is provided to engage the metal cup resiliently by use of an O-ring which prevents metal-to-metal contact avoiding fretting of the cup surface. The various embodiments disclosed include one embodiment wherein the buttress is axially aligned with the majority of the stem length as well as an embodiment wherein the axis of the buttress is parallel to and offset from the axis of the majority of the stem.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.