Rupture resistant prosthesis with bonded surface layer and method of forming same
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United States of America Patent
Stats
-
Sep 9, 1986
Grant Date -
N/A
app pub date -
Feb 22, 1983
filing date -
Feb 22, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surgically implantable prosthesis such as a mammary implant, that is rendered rupture-resistant by a lubricious layer bonded to the inner surface, outer surface, or both such surfaces of a wall of a flexible, creasable shell of the prosthesis. The lubricious layer reduces self-abrasion damage between sliding surfaces of the shell in a folding or creased area of the shell after surgical implantation. The lubricious layer can be mechanically bonded, such as through physical locking within an interpenetrating lattice structure of such wall, or can be attached to the shell's wall through a covalent chemical bond. An example of the rupture-resistant prosthesis includes a lubricious layer of an acrylamide polymer radiation bonded to at least one wall surface of a silicone shell or bag.
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