Spinal disc
US6139579A · kind A · utility
323Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1997 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Oct 31, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00407
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A spinal disc prosthesis to replace a damaged spinal disc in a spinal column (16) of a human, includes a body (10) having an upper surface (52) engageable with the upper vertebra (12) and a lower surface (152) engageable with the lower vertebra (14). The body (10) includes a crescent-shaped projection (62, 162) extending from one of the upper and lower surfaces (52, 152) of the body for receipt in a cavity in the adjacent vertebra (12, 14).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.