Method of making an implant having a metallic porous surface

Details Method of making an implant having a metallic porous surface Method of making an implant having a metallic porous surface

1992-02-27

1993-08-17

Green, Randall L.

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

Implantable prosthesis

Bone

623 18, 623901, A61F 228, A61F 230

Patent

active

052364577

ABSTRACT:
An implant comprises a plastic body and a metallic, porous surface securely fixed to the body. The implant is made by first producing a porous mold insert having a porous metal structure and a soluble filler material filling a portion of its pores. The mold insert is then placed in a mold and plastic is injected into the mold and the exposed pores of the insert to form the implant body and securely attach the body and insert. The implant is then contacted by a solvent which dissolves the filler material to expose that portion of the insert which had been filled.

REFERENCES:
patent: 4479271 (1984-10-01), Bolesky et al.
patent: 4716234 (1987-12-01), Dunks et al.
patent: 4753654 (1988-06-01), Posin et al.
patent: 4778469 (1988-10-01), Lin et al.
patent: 4813960 (1989-03-01), Muller
patent: 4955911 (1990-09-01), Frey et al.
patent: 4978355 (1990-12-01), Frey et al.

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