Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1989-06-21
1990-02-20
Cannon, Alan W.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623 23, 428365, 428367, 428375, 428377, 87 1, 87 6, A61F 228, A61F 232, B05D 302, D04C 100
Patent
active
049022970
ABSTRACT:
A composite implant prosthesis comprising a core constructed from a plurality of carbon fibers, a first casing formed from a braided sheath of carbon fibers and a second casing enclosing the core and first casing to define an outer surface contour for the composite implant prosthesis. The method for constructing the composite implant prosthesis includes the steps of pultruding the core from a polymer impregnated tow, braiding the first casing to the pultruded core and applying the second casing thereto. The pultruding and braiding steps are performed in a continuous process while the second casing is applied to a discrete element formed from the core.
REFERENCES:
patent: 2712263 (1955-07-01), Crandall
patent: 3893196 (1975-02-01), Hochman
patent: 3936336 (1976-02-01), Phillips
patent: 4312917 (1982-01-01), Hawley
patent: 4536438 (1985-08-01), Bishop et al.
patent: 4750905 (1988-06-01), Koeneman et al.
Applications of Advanced Composites in Orthopaedic Implants, Kenneth R. St. John, Chapter 37 Hexcel Corporation (undated).
Absorbable Polymer-Parsons, Alexander and Weiss, Composites for Orthopaedics Report (undated).
Carbon Fiber-Reinforced Carbon as a Potential Implant Material, Adams & Williams, 1978, pp. 35-42, Journal of Biomedical Materials Research vol. 12, 35-42 (1978).
Method for Development of a Composite Material, Hip Repl., Ainsworth, Tarr, Claes.
Cannon Alan W.
Schoenle Paul D.
Zimmer Inc.
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