Preformed curved prosthesis that is adapted to the external iliac vessels
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United States of America Patent
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-
May 25, 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 provided 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. The body is adapted to the inclination of the external iliac vessels. In one embodiment, the body includes a first portion configured with a shape of a cap and a second portion with a substantially spherical shape that is connected to the first portion at the lower edge thereof. The first portion has a first radius of curvature and the second portion has a second radius of curvature that is less than the first radius of curvature. The second portion includes an outer edge that forms an angle with the lower edge of the first portion that is greater than 100.degree. at the apex of the prosthesis.
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