Intervertebral prosthesis

Details Intervertebral prosthesis Intervertebral prosthesis

1991-03-21

1992-12-15

Isabella, David

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

623 18, A61F 244, A61F 230

Patent

active

051712806

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.

REFERENCES:
patent: 3867728 (1975-02-01), Stubstad et al.
patent: 3875595 (1975-04-01), Froning
patent: 3883902 (1975-05-01), Lynch
patent: 4932969 (1990-06-01), Frey

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