Performed curved prosthesis having a reduced incidence of developing wrinkles or folds
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 20, 2004
Grant Date -
N/A
app pub date -
Jul 5, 2001
filing date -
Sep 11, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A prosthesis is provide for repairing a defect in a muscle or tissue wall. The prosthesis has a preformed shape that conforms to the wall to facilitate placement and minimize shifting of the prosthesis when positioned on the wall. The prosthesis may include a body formed of a sheet of surgical mesh fabric having a flexible body surrounded by a peripheral edge that may be welded or fused so that the body is capable of resuming the preformed shape after being temporarily deformed to allow for implantation. In one embodiment, the body includes a first portion (1) configured with a substantially spherical shape and a second portion (6) connected to the first portion at an outer edge (2) thereof, wherein the first portion has a first radius of curvature and the second portion has a second radius of curvature that is substantially equal to the first radius of curvature along the outer edge (2). This configuration reduces the incidence of puckering between the first and second portions which otherwise could reduce the overall size of the prosthesis resulting less than a desirable amount of wall coverage.
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