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Sizing device and method of positioning a prosthetic heart valve

  • US 9,801,721 B2
  • Filed: 03/07/2013
  • Issued: 10/31/2017
  • Est. Priority Date: 10/12/2012
  • Status: Active Grant
First Claim
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1. A sizing device for use in implanting a collapsible prosthetic heart valve in a native valve annulus, the sizing device comprising:

  • a collapsible and expandable stent having an annulus section at a first end with a first diameter and an aortic section at a second end with a second diameter, the second diameter being greater than the first diameter, and the first end and the second end being disposed at opposite sides of the stent; and

    a sensor coupled to the annulus section adjacent the first diameter of the stent, the sensor comprising at least one deflectable contacting member, and being capable of collecting information related to stiffness of the native valve annulus by contacting portions of the native valve annulus with the at least one deflectable contacting member.

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