Artificial stem unit for coxa with setting guide
US4994085A · kind A · utility
33Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Mar 8, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00353
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An artificial stem unit for coxa with a setting guide comprises a stem made of metal to be inserted into the marrow cavity of a femur and a setting guide for fixing the stem in the marrow cavity comprising a cylindrical core rod and a plug attached to the end of the cylindrical core rod. In the operation, the setting guide is inserted into the marrow cavity of the femur in advance for the centering, and thereafter, the stem is inserted so that the through hole of the stem fit with the cylindrical core rod of the setting guide. Then the bone cement is injected to fix the stem at an accurate position set up by the above operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.