Femoral head resurfacing apparatus and methods

Details Femoral head resurfacing apparatus and methods Femoral head resurfacing apparatus and methods

2007-07-10

2007-07-10

Rodriguez, Cris (Department: 3732)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

C623S022210

Reexamination Certificate

active

10937047

ABSTRACT:
A femoral head resurfacing apparatus includes a cap of hemispherical shape and stabilization structure (e.g., one or more non-shear fixation bars) that inserts into slots cut into the femoral head, so that the cap remains substantially immovable other than due northerly. A method of resurfacing the femoral head of a hip joint includes removing longitudinal slots or holes of bone in the femoral head, and attaching a hemispherical cap to the head, the cap having non-shear fixation bars or other stabilizing structure for mating engagement with the slots or holes.

REFERENCES:
patent: 4035848 (1977-07-01), Wagner
patent: 5133764 (1992-07-01), Pappas et al.
patent: 5725593 (1998-03-01), Caracciolo
patent: 5800557 (1998-09-01), Elhami
patent: 6156069 (2000-12-01), Amstutz
patent: 6746452 (2004-06-01), Tuke et al.
patent: 2002/0049501 (2002-04-01), Storer et al.

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