Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
2007-08-02
2011-11-22
Robert, Eduardo C (Department: 3733)
Surgery
Instruments
Orthopedic instrumentation
C623S020320, C606S286000, C606S088000
Reexamination Certificate
active
08062301
ABSTRACT:
A method for performing a high tibial, dome osteotomy to adjust the lateral and/or angular disposition of the tibial plateau relative to the lower portion of the tibia, the method comprising: forming an arcuate osteotomy cut in the tibia to subdivide it into upper and lower portions; manipulating the upper and lower portions to adjust their lateral and/or angular dispositions relative to one another; forming a pair of keyholes along the osteotomy cut; forming a keyhole slot to connect the two keyholes; forming a fixation hole in the tibia for each keyhole; providing an implant comprising a pair of keys connected by a bridge, each key comprising a bore for receiving a fixation screw therein; inserting the implant so that the keys are disposed in the keyholes, and so that the bores of the keys are aligned with the fixation holes; and inserting fixation screws through the bores of the keys and into the fixation holes of the keyholes so as to stabilize the upper and lower portions of the tibia.
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Oliver C. Kessler et al., Avoidance of Medial Cortical Fracture in High Tibial Osteotomy: Improved Technique, Clinical Orthopaedics and Related Research, Feb. 2002, pp. 180-185, No. 395.
Ammann Kelly G.
Novak Vincent P.
Schneider Robert E.
Taber Justin R.
Arthrex Inc.
Dickstein & Shapiro LLP
Eckman Michelle C
Robert Eduardo C
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