Orthopedic implant augmentation and stabilization device

Details Orthopedic implant augmentation and stabilization device Orthopedic implant augmentation and stabilization device

1994-08-25

1996-07-02

Isabella, David

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

Implantable prosthesis

Bone

623 18, 623 20, 606 60, 606 86, A61F 228, A61F 238

Patent

active

055317936

ABSTRACT:
A prosthesis is provided for replacing a bone surface. The prosthesis includes an implant having a surface for abutting a bone, and an augment configured to be attached to the surface of the implant by bone cement to compensate for bone loss. The augment is formed to include an aperture therein defined by an inner wall. The prosthesis also includes a plastic peg coupled to the implant. The peg is configured to enter the aperture formed in the augment and to engage the inner wall of the augment to retain the augment in a spaced apart relation relative to the implant to permit the implant to be installed onto the bone before the bone cement cures. Alternately, the surface of the implant is formed to include an aperture therein, and a plastic retaining ring located in the aperture formed in the surface of the implant. A metal peg is coupled to the augment. The metal peg is configured to enter the aperture formed in the implant and to engage the plastic retaining ring therein to retain the augment in a spaced apart relation relative to the implant.

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