Prosthesis for intervertebral discs and instruments for implanting it
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United States of America Patent
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May 24, 1994
Grant Date -
N/A
app pub date -
Aug 4, 1992
filing date -
Mar 7, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
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).
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