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Stent crimper

  • US 7,587,801 B2
  • Filed: 06/23/2005
  • Issued: 09/15/2009
  • Est. Priority Date: 09/22/1999
  • Status: Expired due to Term
First Claim
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1. A stent crimper comprising:

  • a plurality of movable dies arranged to form an iris having a longitudinal axis, the iris defining an aperture, the dies disposed about the aperture, a cross-sectional shape of the iris being a regular polygon; and

    a rotatable actuation device coupled to the dies, rotation of the actuation device causing the dies to move inward and reduce the size of the aperture or outward so as to increase the size of the aperture;

    each die having a first side and a second side, the first side and the second side converging at a tip;

    the first side having a portion that faces the aperture when the size of the aperture is increased or decreased, the second side substantially in contact with an adjacent die when the size of the aperture is increased or decreased;

    wherein the dies are cooled below ambient temperature.

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