Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1986-05-12
1987-12-22
Apley, Richard J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 238
Patent
active
047144742
ABSTRACT:
This invention provides an improved implantable tibial component comprising an implantable tibial base containing two separate, opposed raised walls which engage oppositely configured recesses in the lower surface of a removable hard polymeric condylar articulating surface insert. The locking mechanism which holds the insert within the base provides a means by which the insert can be locked within the base in a secure fashion. The locking mechanism further provides a means by which the insert can be removed from the implanted tibial base in a simple fashion by raising the anterior end of the insert over the top of the anterior wall on the edge of the tibial base and sliding the insert anteriorly out of the posterior raised walls which also extend along the medial and lateral edges of the tibial base.
REFERENCES:
patent: 4016606 (1977-04-01), Murray et al.
patent: 4207627 (1980-06-01), Cloutier
patent: 4257129 (1981-03-01), Volz
Brochure, "Whiteside Ortholoc(.TM.) Total Knee System", Dow Corning Wright Corp., Arlington, TN, No. L095-0101, 12 pp., 1983.
Brochure, "New Jersey Tricompartmental Total Knee System with Porocoat(.RTM.), Surgical Procedure", DePuy, Inc., Warsaw, IN, No. 7.5 M1084 0601-71 (Rev. 1), 22 pp., 1984.
Brochure, "The Miller/Galante Porous Tivanium(.RTM.) Total Knee", Zimmer, Inc., Warsaw, IN, No. 84-038-5780-0352/15 MA, 18 pp., 1984.
Brochure, "Choice. The Miller/Galante Total Knee System, " Zimmer, Inc., Warsaw, IN, No. 86-038-5780-0509/16MA, 18 pp., 1986.
Brochure, "Zimmer Intramedullary Knee Instrumentation for the Miller/Galante Total Knee System", Zimmer, Inc., Warsaw, IN, No. 86-038-5780-0525/16MA, 32 pp., 1986.
Brochure, "The Intermedics Natural-Knee(.TM.) System", Intermedics Orthopedics, Austin, TX, No. 2/86/7.5M, 16 pp., 1986.
Brochure, "Orthomet", Orthomet, Inc., Minneapolis, MN, 2 pp., 1986.
Sketch of "OMKnee by Orthomet, Inc." by John G. Brooks, Jr., received Mar. 4, 1986, 1 p.
Brooks, Jr. John G.
Spires, Jr. Walter P.
Apley Richard J.
Dow Corning Wright Corporation
Isabella David J.
Rakoczy Richard E.
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