Patent ID: 8715207
Filing Date: 2014-05-06
Classification: A61B,A61F

Abstract:
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 defining an inner bore and having a longitudinal slot extending therethrough; 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 of the support member, wherein a portion of the measuring band between the first end and second end extends through the slot; 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 of the measuring band; wherein the measuring band has a contracted configuration in which the band is at least partially wound about a transverse axis, so as to have a contracted diameter equal to or less than a bore diameter, and an expanded configuration in which the band is substantially unwound and has an effective diameter larger than that of the end of the distal portion of the support member.