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Actively controllable stent, stent graft, heart valve and method of controlling same

  • US 9,566,178 B2
  • Filed: 10/21/2012
  • Issued: 02/14/2017
  • Est. Priority Date: 06/24/2010
  • Status: Active Grant
First Claim
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1. A surgical implant, comprising:

  • a deformable stent of a shape-memory material set to a given shape, the stent having a plurality of lumens comprising first and second segments, wherein the first segments have interior threads; and

    a selectively adjustable assembly at the stent having adjustable elements with first and second portions and being operable to force a configuration change in at least a portion of the stent from the given shape to a different deformed shape, the first portions of the adjustable elements having exterior threads that threadably engage the interior threads of respective first segments of the lumens when the stent is in a crimped configuration and when the stent is in an expanded configuration, and the second portions of the adjustable elements being axially slidable through respective ones of the second segments of the lumens.

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