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Stent designs and methods of manufacture

  • US 9,469,925 B2
  • Filed: 08/08/2014
  • Issued: 10/18/2016
  • Est. Priority Date: 08/09/2013
  • Status: Expired due to Fees
First Claim
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1. A method for manufacturing a stent, the method comprising:

  • forming a tubular structure having a first end and a second end, wherein the tubular structure defines a lumen extending from the first end to the second end and defines a central axis extending through the lumen in a longitudinal direction of the tubular structure, and wherein forming the tubular structure comprises;

    braiding a plurality of first members with a plurality of second members to form a braided configuration having a plurality of crossover points;

    bending at least one of the plurality of first members to form a first end bent portion connecting a first body portion arranged to extend in a first helical direction to a first end unjoined portion at the first end;

    the first end unjoined portion arranged to extend in a second helical direction around the central axis, wherein the second helical direction is opposite of the first helical direction; and

    disposing at least one of the plurality of second members such that the second member includes a first end overlap portion extending alongside the first end unjoined portion of a first member and such that a second body portion extends from the first end overlap portion in the second helical direction around the central axis and toward the second end, wherein the first end overlap portion of the second member and the first end unjoined portion of the first member both extend across at least one crossover point with another first or second member; and

    coating at least a portion of the first end such that the coating encapsulates the first end unjoined portion of the at least one first member and the first end overlap portion of the at least one second member.

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