1
Paul G Yock: Catheter apparatus, system and method for intravascular two-dimensional ultrasonography. Cardiovascular Imaging Systems, Flehr Hohbach Test Albritton & Herbert, January 3, 1989: US04794931 (492 worldwide citation)

Ultrasonic apparatus, system and method for high resolution intravascular imaging to assist indovascular lesions and to monitor the results of interventional therapy. An ultrasonic transducer is carried by the distal end of a catheter adapted for insertion into a vessel, and either the transducer or ...


2
Yock Paul G: Dispositif, systeme et methode dechographie ultrasonique bidimensionnelle intravasculaire avec catheter, Catheter apparatus, system and method for intravascular two-dimensional ultrasonography. Boston Scientific, SMART & BIGGAR, March 3, 1992: CA1296589

Abstract Of The Invention Ultrasonic apparatus, system and method for highresolution intravascular imaging to assist indovascularlesions and to monitor the results of interventionaltherapy. An ultrasonic transducer is carried by thedistal end of a catheter adapted for insertion into avessel, and eit ...