Self-locking screws for medical implants
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United States of America Patent
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N/A
Issued Date -
Jul 24, 2008
app pub date -
Oct 24, 2006
filing date -
Oct 24, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Self-locking surgical screw assemblies are described for fastening a medical implant to a bone. The invention also includes combinations of self-locking screws and implants, devices implanted with self-locking screws and related methods which insure the stable attachment of the implant to the bone. Each self-locking surgical screw assembly is comprised of a screw having a non-threaded head affixed to a shank, a threaded portion on the shank, a neck on the shank and a locking device externally affixed to or disposed on the head and/or neck. The locking device lockingly engages the head and/or neck of the screw when the screw is in fastening engagement with the medical implant and the bone.
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