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Method of shaping a balloon of a balloon catheter

  • US 5,147,302 A
  • Filed: 04/21/1989
  • Issued: 09/15/1992
  • Est. Priority Date: 04/21/1989
  • Status: Expired due to Term
First Claim
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1. A method of shaping a balloon of a balloon catheter when the balloon is in a deflated state and includes a member extending longitudinally through the balloon, the method comprising:

  • inflating at least a portion of the balloon;

    applying external pressure to the balloon in a generally radially inward direction;

    deflating the balloon to form at least three folded wings;

    applying a cover over the balloon which causes the wings to wrap around the member, the cover including a plurality of tubes, each having a length which is less than a length of the balloon; and

    subjecting the balloon to a heat treatment at an elevated temperature with the tubes of the cover in place.

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