Poly-axial pedicle screw assembly
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United States of America Patent
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-
May 14, 2013
Grant Date -
Jul 8, 2010
app pub date -
Mar 12, 2010
filing date -
Oct 17, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A clamping body for a pedicle screw assembly has an axial passage extending axially between first and second end portions thereof. The spine rod-receiving channel extends through the first end portion in a traverse direction with respect to the axial passage thereby forming upstanding leg portions of the clamping body and closed end portion of the spine rod-receiving channel. A material thickness reducing relief is provided in an outer surface of each one of the upstanding leg portions at a location between the closed end portion of the spine rod receiving channel and the first end portion of the clamping body whereby the a partial segment of the upstanding leg portions are frangibly detachable. A bridge member is frangibly connected between the upstanding leg portions at the first end portion of the clamping body. The bridge member spans across the spine rod-receiving channel.
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