Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
2005-01-11
2005-01-11
Robert, Eduardo C (Department: 3732)
Surgery
Instruments
Orthopedic instrumentation
Reexamination Certificate
active
06840940
ABSTRACT:
A screw and coupling element assembly for use with an orthopedic rod implantation apparatus includes a screw with a head and a shaft extending from the head, a coupling element with a seat within which the head is seatable such that the shaft protrudes from the coupling element, and a locking element mateable with the coupling element and when mated is selectively movable through a plurality of positions including unlocked and locked positions. When in the unlocked position, the locking element presents a rod-receiving channel and the head is movable in the seat such that the shaft is directable in a plurality of angles relative to the coupling element. When in the locked position, a rod disposed within the rod-receiving channel is fixed relative to the coupling element and the head is immovable in the seat such that the shaft is fixed at an angle relative to the coupling element.
REFERENCES:
patent: 5443467 (1995-08-01), Biedermann et al.
patent: 5584834 (1996-12-01), Errico et al.
patent: 5891145 (1999-04-01), Morrison et al.
patent: 6010503 (2000-01-01), Richelsoph et al.
patent: 6113601 (2000-09-01), Tatar
Ralph James D.
Tatar Stephen
Carter DeLuca Farrell & Schmidt LLP
K2 Medical, LLC
Robert Eduardo C
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