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Reinforced medical balloon

  • US 8,852,146 B2
  • Filed: 10/31/2011
  • Issued: 10/07/2014
  • Est. Priority Date: 02/17/2005
  • Status: Active Grant
First Claim
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1. A balloon catheter, comprising:

  • an elongate shaft having a proximal end and a distal end;

    an inflatable balloon positioned adjacent to the distal end of the elongate shaft;

    a plurality of grooves formed within an exterior surface of the balloon, at least some of the plurality of grooves intersecting at a plurality of intersection points and forming a plurality of non-grooved land areas; and

    a coating disposed within and filling the grooves, wherein the coating includes nanotubes; and

    wherein at least some of the plurality of grooves have a width to depth ratio that is about 10;

    1 or less.

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