Vascular graft prosthesis
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 5, 1985
Grant Date -
N/A
app pub date -
Aug 3, 1983
filing date -
Aug 3, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A porous tube suitable for use as a vascular graft prosthesis is disclosed. It is reinforced by external ribs, integral with the tube wall. These ribs are generally transverse to the tube axis and less porous than the wall. Suitable tubing can be made from polymers exhibiting a significant degree of crystallinity, preferably polytetrafluoroethylene. Methods for making these ribbed, porous tubes are also disclosed.
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