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Anastomosis devices

  • US 9,993,251 B2
  • Filed: 04/30/2015
  • Issued: 06/12/2018
  • Est. Priority Date: 05/02/2014
  • Status: Active Grant
First Claim
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1. An implantable medical device for creating an anastomosis between a gallbladder and a portion of a gastrointestinal tract, the device comprising:

  • a tubular structure comprising at least one elongate member forming a framework of interconnected struts, the tubular structure including;

    a central portion having a first end and a second end, defining a longitudinal axis, and including a plurality of central portion cells defined by the at least one elongate member, the central portion formed of a plurality of body struts each including a plurality of longitudinally-extending portions interconnected with a plurality of angled portions, each of the body struts being separate and not interconnected with adjacent body struts between the first end and the second end of the central portion such that the plurality of central portion cells are open to longitudinally-adjacent central portion cells of the plurality of central portion cells and are closed to circumferentially-adjacent central portion cells of the plurality of central portion cells to define a plurality of central portion cell columns that are each open at one of the first end and the second end of the central portion and closed at the other of the first end and the second end of the central portion;

    a first apposition portion at the first end of the central portion, the first apposition portion comprising a plurality of first flange cells defined by the at least one elongate member; and

    a second apposition portion at the second end of the central portion, the second apposition portion comprising a plurality of second flange cells defined by the at least one elongate member, wherein at least some of the second flange cells are closed at a first end of the second flange cells by an undulating portion of the at least one elongate member and opened at a second end of the second flange cells to the central portion.

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