Invention Grant
US08652181B2 Cervical plate 有权
宫颈板

Cervical plate
Abstract:
Screw back out prevention devices to inhibit screws from reverse threading or backing out are provided. The devices include first bonding materials on either a bushing in a bore of a plate or directly on the bore and second bonding materials on the screw head. The bonding materials for a bond that inhibits back out or reverse threading of the screw.
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