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Prosthetic heart valve

  • US 10,537,426 B2
  • Filed: 08/03/2017
  • Issued: 01/21/2020
  • Est. Priority Date: 08/03/2017
  • Status: Active Grant
First Claim
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1. Apparatus, comprising:

  • a valve body that;

    is tubular,has an upstream end, a downstream end, and a central longitudinal axis, anddefines a lumen along the central longitudinal axis; and

    a plurality of prosthetic leaflets, disposed within the lumen, and configured to facilitate one-way movement of fluid through the lumen in an upstream-to-downstream direction, wherein;

    the valve body has a cellular structure defined by a plurality of joists connected at a plurality of nodes, the joists and nodes delimiting cells of the cellular structure, the plurality of nodes including minor nodes at which 2-4 joists are connected, and major nodes at which 6-8 joists are connected,the cells of the cellular structure comprise a first circumferential row of first-row cells, each of the first-row cells (i) being connected to each of its circumferentially-adjacent first-row cells at a respective one of the major nodes, and (ii) being longitudinally delimited by two of the minor nodes,the cellular structure further comprises a second circumferential row of second-row cells, each of the second-row cells (i) being connected to each of its circumferentially-adjacent second-row cells at a respective one of the major nodes, and (ii) being longitudinally delimited by at least one of the major nodes, andeach of the first-row cells and each of the second-row cells is delimited by exactly four nodes.

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