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Securing element for resheathing an intravascular device and associated systems and methods

  • US 10,575,864 B2
  • Filed: 06/22/2017
  • Issued: 03/03/2020
  • Est. Priority Date: 06/22/2017
  • Status: Active Grant
First Claim
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1. A retrieval device deployable through a delivery sheath, the device comprising:

  • an elongated shaft;

    a retrieval structure coupled to a distal zone of the elongated shaft, the retrieval structure including a capture structure and a cover having (a) a first portion coupled to the distal zone of the elongated shaft at a location proximal of the capture structure and (b) a free second portion, wherein, in a delivery state, the second portion of the cover extends proximally from the first portion; and

    a securing element coupled to the elongated shaft proximal to the first portion of the cover,wherein, when the cover is in the delivery state and at least a portion of the cover and at least a portion of the securing element are positioned within the delivery sheath, moving the retrieval device proximally increases an outward force exerted by the securing element against at least a portion of the cover and an inner surface of the delivery sheath, thereby inhibiting movement of the second portion of the cover relative to the elongated shaft.

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