Prosthesis for blood vessel
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United States of America Patent
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-
Feb 10, 2004
Grant Date -
N/A
app pub date -
Nov 30, 2001
filing date -
May 31, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prosthesis for a blood vessel, which is an expanded porous polytetrafluoroethylene tube having a fine fibrous structure with nodes connected to each other by fibrils. The average fibril length is at least 40 .mu.m, and the tube has a porosity of at least 70%. The load required for compressing the tube by 10% in its axial direction at a strain rate of 100%/min is at least 10 gf. The resistant force per unit sectional area of the tube produced upon the 10% compression is at least 1.0 gf/mm.sup.2.
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