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Devices for fluid flow through body passages

  • US 10,136,987 B2
  • Filed: 12/27/2016
  • Issued: 11/27/2018
  • Est. Priority Date: 04/20/2006
  • Status: Active Grant
First Claim
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1. A device comprising:

  • a longitudinal axis;

    a first end portion having a terminal first end diameter, the first end portion having a first length along the longitudinal axis, the first end portion being self-expanding;

    a second end portion having a second end diameter smaller than the terminal first end diameter, the second end portion being substantially cylindrical, the second end portion having a second length along the longitudinal axis, the second end portion being self-expanding;

    an intermediate portion between the first end portion and the second end portion, the intermediate portion tapering between the first end portion and the second end portion, the intermediate portion having a third length along the longitudinal axis, the first end portion being frustoconical, the first end portion tapering between the terminal first end diameter and the intermediate portion; and

    a graft material coupled to at least the intermediate portion, the device configured to provide fluid flow between a first passage in which the first end portion is anchored and a second passage in which the second end portion is anchored.

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