Posterior spinal implant
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United States of America Patent
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-
Jun 20, 2000
Issued Date -
N/A
app pub date -
Feb 20, 1997
filing date -
Jun 4, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A spinal screw or hook has a slotted head to receive a support rod. A two-piece rod retainer is provided with an outer ring-like collar locked into the interior of the slotted head and a fastener extending through the collar to contact a support rod in the bottom of the slot.
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Family
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