Surgery – Truss – Pad
Patent
1976-01-23
1977-11-01
Frinks, Ronald L.
Surgery
Truss
Pad
3 1911, 3 1912, 128 92C, 264122, 264126, A61F 124
Patent
active
040558622
ABSTRACT:
A medical body implant element that is intended to experience rolling or sliding pressure during its function in the human body comprises microparticles of ultra-high molecular weight polyethylene which are fused together into a matrix. A quantity of graphitic carbon fibers of short, random lengths is disposed in intersticies of the matrix. The resultant composite is wear-resistant and substantially isotropic.
REFERENCES:
patent: 3698017 (1972-10-01), Scales et al.
patent: 3728742 (1973-04-01), Averill et al.
patent: 3869731 (1975-03-01), Waugh et al.
patent: 3893196 (1975-07-01), Hochman
"Polymers as Bearing Materials for Total Hip Replacement: A Friction and Wear Analysis" by H. A. Amstutz, Journal of Biomedical Materials Research, vol. 3, No. 4, Dec. 1969, pp. 547-568.
"Quartz & Graphite Filament Reinforced Polymer Composites for Orthopedic Surgical Application" by S. Musikant, Journal of Biomedical Materials Symposium, vol. 1, pp. 225-235, 1971.
The Mechanical & Physical Properties of Materials by D. F. Williams (Chapter 3) Implants In Surgery (Book) by Williams & Roaf, W. B. Saunders Co. Ltd., London, 1973, pp. 89-93.
Frinks Ronald L.
Zimmer USA, Inc.
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