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Stent crimping tool

  • US 6,082,990 A
  • Filed: 02/17/1998
  • Issued: 07/04/2000
  • Est. Priority Date: 02/17/1998
  • Status: Expired due to Fees
First Claim
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1. A tool for crimping a stent onto a balloon catheter, comprising:

  • a base having a central groove;

    first and second semicircular cams that rotate side-by-side within a common horizontal plane and having a gap therebetween, wherein each cam is rotatably supported in an overlying position above the base, and wherein each cam has a groove at a respective outer circumference;

    a vertically disposed third cam contained in a generally vertical plane intersecting the horizontal plane containing the first and second cams, wherein the third cam includes a tangent line coextensive with the gap between the first and second semicircular cams, and wherein the third cam is rotatably attached to and overlying the base and engages the first and second cams at a circumference, and wherein the third cam includes a groove at an outer circumference;

    wherein the grooves of the cams and in the base collectively form an axial space coextensive with the gap and tangent line;

    whereby the stent loaded on to the balloon catheter is inserted into the axial space and rotation of the cams collectively crimp the stent onto the catheter.

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