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Universal Valve Annulus Sizing Device

  • US 20100249661A1
  • Filed: 03/18/2010
  • Published: 09/30/2010
  • Est. Priority Date: 03/19/2009
  • Status: Active Grant
First Claim
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1. A device for measuring an internal dimension of a native cardiac valve annulus, the device comprising:

  • an elongated support member having a proximal portion and a distal portion, the distal portion including an end having a bore and a longitudinal slot;

    a measuring band having a first end and a second end, the first end disposed within the bore and the second end coupled to the distal portion;

    a shaft extending through the support member, the shaft having a distal end coupled to the first end of the measuring band and a proximal end; and

    an indicator coupled to the proximal end of the shaft, the indicator adapted to provide an indication of the internal dimension;

    wherein the measuring band has a contracted configuration in which the band is at least partially wound about a transverse axis and an expanded configuration in which the band is substantially unwound.

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