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Blood clotting substrate and medical device

  • US 8,969,648 B2
  • Filed: 04/06/2012
  • Issued: 03/03/2015
  • Est. Priority Date: 04/06/2012
  • Status: Active Grant
First Claim
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1. A method of promoting blood clotting, comprising contacting blood with a blood clotting substrate comprising a plurality of oxygen plasma-treated polypropylene pillars extending from a surface of a oxygen plasma-treated polypropylene film, wherein the film and pillars demonstrate a normalized clotting time of 0.2, compared to an untreated film clot time of 0.9 when contacted with blood.

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