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Reducing crimping damage to polymer scaffold

  • US 8,539,663 B2
  • Filed: 08/23/2010
  • Issued: 09/24/2013
  • Est. Priority Date: 08/23/2010
  • Status: Active Grant
First Claim
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1. A method for crimping a polymer scaffold to a balloon, comprising:

  • placing a scaffold having a first diameter on a support balloon;

    inflating the support balloon to a pressure for supporting and stabilizing the scaffold at the first diameter while the scaffold is being crimped;

    crimping the scaffold from the first diameter to a second diameter while the scaffold is supported by the support balloon;

    replacing the support balloon with a balloon catheter after the scaffold is reduced to the second diameter; and

    crimping the scaffold to a third diameter, less than the second diameter while the scaffold is supported by the balloon catheter.

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