Device for assessing a cardiac valve

Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation

Reexamination Certificate

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C600S437000, C600S467000, C623S001100, C623S001300, C623S001240, C623S002100, C623S900000, C623S901000, C623S902000, C623S903000, C623S904000, C623S910000, C623S913000

Reexamination Certificate

active

08057396

ABSTRACT:
Devices for assessing the size, shape, and topography of vessel lumens and hollow portions of organs are described. The devices are particularly adapted for determining the size, shape, topography, and compliance of the native heart valves to facilitate the later implantation of a prosthetic heart valve. The devices are typically catheter-based having an assessment mechanism fixed to a distal end of the catheter. The assessment mechanism generally includes an expandable member, such as a balloon. The assessment mechanism may also include an imaging member, a physical assessment member, an electronic mapping construction, an alignment mechanism, a valvuloplasty balloon, or any combination thereof.

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