Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
2006-01-24
2006-01-24
Philogene, Pedro (Department: 3732)
Surgery
Instruments
Orthopedic instrumentation
Reexamination Certificate
active
06989013
ABSTRACT:
A locking system for attaching a first workpiece to a bone or second workpiece. A countersink in the first workpiece has an opening for receiving a screw having a threaded first end, an opposite top head end, and a collar. The collar has external threads which engage complimentary threads in the counter sink. The collar is sized to allow the screw head to rotate within a smooth concave cavity in the collar while at the same time retaining the screw within the collar. Once the screw is threaded into the bone (or second workpiece), the collar retains the screw securely in the first workpiece.
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Jackson & Walker, LLP
Perumala Corporation
Philogene Pedro
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