Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Tissue
Reexamination Certificate
2006-11-28
2006-11-28
Pellegrino, Brian E. (Department: 3738)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Tissue
C623S023630, C623S908000
Reexamination Certificate
active
07141072
ABSTRACT:
A method of promoting regeneration of surface cartilage of a joint includes the steps of covering the area to be treated with a patch which includes a sheet of collagen membrane material. The collagen membrane material has at least one barrier layer to prevent passage of cells therethrough. The collagen membrane further includes a matrix layer predominantly of collagen II having an open sponge-like texture. The patch is fixed over the area to be treated, and the area is allowed to regenerate cartilage.
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Geistlich Peter
Schloesser Lothar
Ed. Geistlich Soehne AG fuer Chemische Industrie
Pellegrino Brian E.
Rothwell, Figg Ernst & Manbeck, PC
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