Reinforcement for an orthopedic implant

Details Reinforcement for an orthopedic implant Reinforcement for an orthopedic implant

1995-09-29

1999-11-16

Prebilic, Paul B.

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

Implantable prosthesis

Bone

623 22, 623 23, A61F 230

Patent

active

059849681

ABSTRACT:
An improved method for reinforcing a prosthetic implant and an implant product are provided. The method includes embedding a support structure in a bed of bone cement surrounding the distal end of a prosthetic device. The support structure counteracts hoop-stress imparted to the implant, decreases creep of the bone cement, and further reinforces the bone cement bed. In various embodiments, the support structure can be in the form of a metal coil or in the shape of a wire mesh. Prior to being implanted, the support structure can be precoated with bone cement or can be prefabricated with a prosthetic device.

REFERENCES:
patent: 3938198 (1976-02-01), Kahn et al.
patent: 4038703 (1977-08-01), Bokros
patent: 4064567 (1977-12-01), Burstein et al.
patent: 4491987 (1985-01-01), Park
patent: 4735625 (1988-04-01), Davidson
patent: 5035714 (1991-07-01), Willert et al.
patent: 5507814 (1996-04-01), Gilbert et al.

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