Microporous membrane sheet plasma extraction catheter
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United States of America Patent
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Oct 19, 1999
Grant Date -
N/A
app pub date -
Sep 23, 1997
filing date -
Sep 23, 1997
priority date (Note) -
Expired
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Abstract
An assembly for being implanted in a blood vessel for carrying out in vivo plasma separation incorporates a plasma extraction capsule formed of a microporous polymeric membrane sheet having a pore size capable of allowing diffusion of plasma, the capsule having one or more interior plasma flow channels and a catheter secured to the capsule and having at least one lumen in fluid communication with the one or more interior capsule channels.
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