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Delivery device and method of delivery

  • US 10,245,167 B2
  • Filed: 08/03/2016
  • Issued: 04/02/2019
  • Est. Priority Date: 01/29/2015
  • Status: Active Grant
First Claim
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1. A delivery device comprising:

  • an inner shaft;

    a distal annular band and a proximal annular band fixed to the inner shaft;

    a delivery platform between the distal annular band and the proximal annular band, wherein the delivery platform is configured to receive a self-expanding intraluminal device for deployment from the delivery device into a vessel;

    an outer sheath slidable over the inner shaft and the delivery platform, the outer sheath having a pre-deployment position covering the delivery platform, and at least one delivery position uncovering the delivery platform and at least one of the distal annular band and the proximal annular band; and

    a post deployment dilation device comprising;

    a deployment platform fixed with respect to the inner shaft;

    a balloon fixed with respect to a longitudinal axis of the deployment platform, the balloon having a pre-actuated position having a pre-deployment diameter and an actuated position having a deployment diameter larger than the pre-deployment diameter;

    at least one inflation fluid lumen in fluid communication with the balloon and extending along at least a portion of the inner shaft;

    a filament lumen; and

    a helical coil extendable from the filament lumen to trap the balloon in the pre-deployment position and retractable from the filament lumen to allow the balloon to be inflated to the actuated position;

    wherein the post deployment dilation device is configured to apply a radial force to an inner surface of the self-expanding intraluminal device after deployment of the self-expanding intraluminal device to improve at least one of expansion of the self-expanding intraluminal device and seating of the self-expanding intraluminal device in the vessel.

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