Prosthesis for intervertebral discs and instruments for implanting it
US5314477A · kind A · utility
909Cited by
13References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 4, 1992 |
| Grant date | May 24, 1994 |
| Priority date | — |
| Expiry date | Aug 4, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32549
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention concerns a prosthesis for intervertebral discs designed to be substituted for fibrocartilaginous discs ensuring connection between the vertebrae of the spinal column and its instruments for implantation. The prosthesis is composed mainly of two plates (110, 120) each equipped with anchoring flaps (1110, 1210) separated by a joint (20) composed of a spherical cap (21) with a cylindrical base (22), of the same diameter, made in the upper side of the lower plate (120). Each of the plates (110, 120) includes, on the back, threaded holes (115, 116, 125, 126) located parallel to the anchoring flaps (1110, 1210).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.