Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1990-07-17
1992-04-28
Frinks, Ronald
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623 18, 623 20, A61F 240, A61F 230, A61F 238
Patent
active
051084414
ABSTRACT:
A method and apparatus of facilitating the regeneration of articular cartilage in a joint is disclosed. Regeneration of damaged articular cartilage is facilitated by placing one or more spacers between the articulating surfaces of the joint. The spacers are left in place while the articular cartilage regenerates. The spacers prevent the articulating surfaces from rubbing against each other and the articular cartilage can regenerate in the space between the articulating surfaces. A spacer formed in accordance with this invention has a head with a shaft extending therefrom. The shaft is inserted into one of the articulating surfaces so that the head is disposed between the articulating surfaces and keeps them separated while the articular surface regenerates.
REFERENCES:
patent: 4198712 (1980-04-01), Swanson
patent: 4242758 (1981-01-01), Amis et al.
patent: 4285071 (1981-08-01), Nelson et al.
patent: 4385404 (1983-05-01), Sully et al.
patent: 4417571 (1983-11-01), Nelson et al.
patent: 4566138 (1986-01-01), Lewis et al.
"Articular Cartilage Regeneration in the Canine," S. M. Fiore et al.; 8th Southern Biomedical Engineering Conference Digest of Papers-Richmond, VA; Oct. 1989, pp. 178-181.
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