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Retrieval of material from vessel lumens

  • US 10,709,464 B2
  • Filed: 05/12/2017
  • Issued: 07/14/2020
  • Est. Priority Date: 05/12/2017
  • Status: Active Grant
First Claim
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1. A clot retrieving device, comprising:

  • an elongated shaft having a distal region;

    a capture structure having a proximal portion coupled to the distal region of the elongated shaft and a distal portion having a distal terminus; and

    a cover having a first portion coupled to the distal region of the elongated shaft and a second portion extending from the first portion, the cover having a first configuration in which the second portion of the cover extends proximally from the first portion, and the cover having a second configuration in which the capture structure is at least partially ensheathed within the first portion of the cover and the second portion of the cover extends distally from the first portion, and in the second configuration the second portion has (a) a first region distal to a distal terminus of the capture structure, the first region tapering radially inwardly in a distal direction, and (b) a second region extending distally and radially outwardly from the first region.

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