Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
2011-06-07
2011-06-07
Barrett, Thomas C (Department: 3775)
Surgery
Instruments
Orthopedic instrumentation
C606S080000, C606S099000, C623S020350
Reexamination Certificate
active
07955338
ABSTRACT:
An apparatus and method for reaming a bone, facilitating pre-implantation alignment of a prosthesis using trial components, and preparing a bone site for anti-rotational implantation of the prosthesis is provided. The apparatus includes a boring end, a mating end disposed opposite the boring end, and a keying aid disposed between the boring end and mating end. The method includes attaching a power tool to the mating end, reaming a bone canal with the boring end, detaching the power tool, attaching a trial component, conducting alignment trials, maintaining the apparatus in the desired position, detaching the trial component, cutting at least one keyway in the bone canal using a cutting device and the keying aid, removing the cutting device, removing the apparatus from the reamed bone canal, and inserting the prosthesis into anti-rotational engagement with reamed bone by aligning the key on the prosthesis with the keyway in the bone canal.
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Barrett Thomas C
Bates David W
Howmedica Osteoenics Corp.
Lerner David Littenberg Krumholz & Mentlik LLP
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