Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
2005-03-03
2008-09-16
Robert, Eduardo C. (Department: 3733)
Surgery
Instruments
Orthopedic instrumentation
Reexamination Certificate
active
07425214
ABSTRACT:
Apparatus and method are described for interoperatively determining, during a trailing procedure conducted in connection with total hip arthroplasty, a combination of neck length and femoral head offset required in a femoral component for establishing appropriate hip mechanics in a prosthetic hip joint to be implanted at an implant site. A trial femoral head is coupled for selective movement relative to a femoral stem component to move the trial femoral head longitudinally and laterally relative to a predetermined direction among selected combinations of trial distance and trial offset to evaluate hip mechanics and determine interoperatively an appropriate combination of trial distance and trial offset corresponding to the combination of neck length and femoral head offset required in the prosthetic hip joint.
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Cahayla Jason R.
DeMaria Christopher
McCarthy Thomas F.
Cumberledge Jerry
Howmedica Osteonics Corp.
Jacob Arthur
Robert Eduardo C.
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