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Crimping device and method for loading stents and prosthetic heart valves

  • US 10,709,591 B2
  • Filed: 06/06/2017
  • Issued: 07/14/2020
  • Est. Priority Date: 06/06/2017
  • Status: Active Grant
First Claim
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1. A crimping device comprising:

  • a stationary plate having a plurality of individual first slots;

    a movable member having a plurality of individual second slots, wherein the individual second slots are aligned with a portion of the corresponding individual first slots;

    a plurality of movable blades arranged circumferentially to form a channel having a central axis extending therethrough, wherein—

    each blade has a first end portion and a second end portion, and wherein the second end portion is radially farther from the central axis than the first end portion,each blade includes a pin projecting from the second end portion of the blade, andeach pin extends through one of the first slots and a corresponding one of the second slots; and

    an actuator device operably coupled to the movable member and configured to move the movable member relative to the stationary plate, wherein movement of the movable member drives the plurality of pins along a path defined by the first and second slots such that the plurality of blades move radially inward to decrease a diameter of the channel, and wherein the radial inward movement of the blades is configured to reduce a diameter of a medical device positioned within the channel to accommodate sizing of a delivery capsule for implanting the medical device using a minimally invasive procedure.

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