Method of making a medical prosthesis

Details Method of making a medical prosthesis Method of making a medical prosthesis

1978-07-13

1981-05-19

Hoag, W. E.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating with particulate material

264137, 264249, 264255, 264258, 264274, 264279, 264299, 264320, 156245, B29C 2700, B29C 2722, B29D 900, B29G 700

Patent

active

042684684

ABSTRACT:
A bone replacement, for example a portion of a hip joint, a bone junction plate, or the like, includes a core element of a fiber-reinforced thermosetting material with a surface element made of a biologically compatible material, typically polyethylene, completely surrounding the core element. The outside surface element is internally interlocked with the core element, by being molded in one heat treatment operation which simultaneously cures the thermosetting material while molding the outside biologically compatible surface element thereto and interlocking and integrating the two elements into one unitary structure. Preferably, the fiber reinforcement is formed as fibers, woven mats, felted mats, or the like, and the surface element may, likewise, include a reinforcement beneath the surface actually in contact with the human body.

REFERENCES:
patent: 3177278 (1965-04-01), Schilling
patent: 3555136 (1971-01-01), Rouault
patent: 3662405 (1972-05-01), Bortz et al.
patent: 3683422 (1972-08-01), Stemmer et al.
patent: 3847888 (1974-11-01), Baumgaertner
patent: 3867728 (1975-02-01), Stubstad et al.
patent: 3893196 (1975-07-01), Hochman
patent: 3938198 (1976-02-01), Kahn et al.
patent: 3986212 (1976-10-01), Sauer
patent: 3992725 (1976-11-01), Homsey
patent: 4055862 (1977-11-01), Farling
patent: 4127902 (1978-12-01), Homsy

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