| 摘要 |
<p>An improved plasma extraction element for being implanted in a blood vessel for carrying out in vivo plasma separation comprises a elongated catheter (10) having a fan-like assembly of elongated hollow microporous polymeric fibers loops (12, 40, 70, 36) spaced apart along the outer catheter surface. According to the invention the catheter is made from a plurality of elongated arc-shaped segments (14), a helically wrapped elongated polymer ribbon (59), a flexible polymer sheet (76) or a plurality of polymer washers (30).</p> |
