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PRE-CRIMP BALLOON INFLATION

  • US 20100063571A1
  • Filed: 09/10/2008
  • Published: 03/11/2010
  • Est. Priority Date: 09/10/2008
  • Status: Active Grant
First Claim
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1. A method of crimping a stent onto a balloon of a stent delivery catheter, the method comprising:

  • providing a crimping apparatus;

    loading a stent onto a balloon of a stent delivery catheter;

    positioning the stent and the balloon of the stent delivery catheter within the crimping apparatus;

    pressurizing the balloon to an inflation pressure in the range of about 0.4 atmospheres to about 4 atmospheres subsequent to loading the stent onto the balloon;

    applying a radially compressive force to the stent to crimp the stent onto the balloon while the balloon is pressurized to an inflation pressure in the range of about 0.4 atmospheres to about 4 atmospheres;

    releasing the pressure within the balloon while the radially compressive force remains applied to the stent; and

    releasing the radially compressive force from the stent after the pressure is released from within the balloon.

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