Anterior cervical plate and fixation system
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United States of America Patent
Stats
-
Jul 10, 2001
Grant Date -
N/A
app pub date -
May 19, 1999
filing date -
May 19, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An anterior cervical plate is disclosed, along with threaded fasteners for securing the plate to vertebrae or other osseous material. The cervical plate has several pockets or apertures, preferably at least four, to receive a corresponding number of the fasteners. The pockets have spherical surfaces, and the fasteners have heads with similarly sized spherical surfaces, which when engaged permit each of the fasteners to be oriented at a variety of projection angles with respect to the plate. In connection with each pocket, the cervical plate incorporates a fastener retaining feature. The feature can take the form of a cantilevered tab or a beam supported at its opposite ends, in each case plastically deformable between an open position for admitting the fastener and a closed position for preventing retraction.
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Family
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