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Delivery device and method of delivery

  • US 9,192,500 B1
  • Filed: 06/22/2015
  • Issued: 11/24/2015
  • Est. Priority Date: 01/29/2015
  • Status: Active Grant
First Claim
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1. A delivery device comprising:

  • an inner shaft having one or more delivery platforms for deployment of one or more intraluminal devices;

    an outer sheath surrounding the inner shaft and configured to cover the one or more delivery platforms pre-deployment and to be withdrawn from at least one of the one or more delivery platforms as part of a deployment of the one or more intraluminal devices;

    an outer sheath rack comprising a plurality of teeth, the outer sheath rack coupled to the outer sheath;

    a handle housing, wherein the inner shaft and the outer sheath rack are at least partially positioned within the handle housing, the handle housing comprising at least one pawl configured to engage with the plurality of teeth on the outer sheath rack to prevent re-sheathing of the outer sheath over the one or more delivery platforms after a deployment;

    a shuttle having a pair of deflection arms configured for selective engagement with the plurality of teeth on the outer sheath rack;

    a trigger mechanically linked to the shuttle such that actuation of the trigger causes movement of the shuttle which withdraws the outer sheath from covering the one or more delivery platforms; and

    wherein the plurality of teeth comprise a first plurality on the top of the rack and a second plurality on the bottom of the rack, further wherein the first plurality of teeth comprise repeating sets of teeth having a first tooth with a greater pitch than the other teeth of the repeating set.

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