Intervertebral prosthesis
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United States of America Patent
Stats
-
Dec 15, 1992
Grant Date -
N/A
app pub date -
Mar 21, 1991
filing date -
Apr 20, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The prosthesis has a valve at one end formed of a fixed base and a coiler body which is able to rotate on the base. A flexible elastic body defining a hollow chamber extends from the coiler body and is able to receive filling medium via the valve. A compact strand extends from the free end of the elastic body. An instrument is provided for implanting the prosthesis between two vertebrae along with a drive belt for rotating the coiler body about the fixed base and, thus the elastic body about the coiler body. Filling of the elastic body takes place after coiling.
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