Peanut spectacle multi discoid thoraco-lumbar disc prosthesis
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United States of America Patent
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Jun 15, 2004
Grant Date -
N/A
app pub date -
Jun 19, 2001
filing date -
Sep 4, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A small profile, peanut spectacle-shaped prosthetic disc device is provided. The device housing is comprised of two longitudinally split hollow halves, between which are contained multiple discoid shaped resilient bodies which may be of a polymeric type, or they may contain hydrogel. These bodies may lie in concave surfaces located on the interior of each side of the split cylindrical housing. The housing halves, even under maximum physiological loads, do not contact one another directly. The shell shape permits relatively easy introduction of the implant into inter-vertebral spaces in the thoracic or lumbar region of the human spine.
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