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Biocompatible surfaces and devices incorporating such surfaces

  • US 9,775,933 B2
  • Filed: 02/22/2013
  • Issued: 10/03/2017
  • Est. Priority Date: 03/02/2012
  • Status: Active Grant
First Claim
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1. A blood contact surface comprisinga polytetrafluoroethylene microstructure of nodes and fibrils in both an x direction and in a substantially perpendicular y direction;

  • wherein the nodes and fibrils have a mean distance between adjacent nodes of 5 micron or less; and

    wherein the mean width of the 32 largest nodes in a representative 10,000×

    SEM micrograph is less than about 1.5 micron.

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