The present invention is directed to a gauging system and method for using the same for determining the size of a lesion within a patient's body prior to stenting the lesion. In one embodiment the gauging system includes a catheter having an elongated shaft with proximal and distal ends, and an outer...http://www.google.com.au/patents/US6344045?utm_source=gb-gplus-sharePatent US6344045 - Sizing and therapeutic catheter with sheath
