Fiber assembly for in vivo plasma separation
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United States of America Patent
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Apr 7, 1998
Grant Date -
N/A
app pub date -
Dec 5, 1996
filing date -
Dec 5, 1996
priority date (Note) -
Expired
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Abstract
An improved plasma extraction element for being implanted in a blood vessel for carrying out in vivo plasma separation comprises an elongated catheter having a fan-like assembly of elongated hollow microporous polymeric fibers loops spaced apart along the outer catheter surface. According to the invention the catheter is made from a plurality of elongated arc-shaped segments, a helically wrapped elongated polymer ribbon, a flexible polymer sheet and a plurality of polymer washers.
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