Adjustable bone anchor assembly

Details Adjustable bone anchor assembly Adjustable bone anchor assembly

2005-10-18

2011-12-13

Barrett, Thomas C. (Department: 3775)

Surgery

Instruments

Orthopedic instrumentation

C606S246000, C606S264000, C606S269000, C606S270000

Reexamination Certificate

active

08075599

ABSTRACT:
A medical implant device has in one embodiment a receiver member for receiving an elongated member, a crown member, an anchor member and a retaining member. An embodiment of the receiver member has an axial opening, a transverse channel, a chamber including at least one substantially flat wall, and a groove. An embodiment of the crown member has at least one substantially flat side. An embodiment of the anchor member has a head with at least one substantially flat surface that may be parallel to the anchor member's longitudinal axis, and an anchoring portion. An embodiment of the retaining member is a substantially flat clip. The crown member and anchor member are inserted into the chamber, and the retaining member is inserted into the groove beneath them. The anchor member may be pivoted substantially in one plane with respect to the receiver member until locked.

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