The present invention provides an apparatus and method for an ultrasonic medical device with improved visibility in imaging procedures. A medical device comprises an elongated probe having a material of high radiopacity at an at least one predetermined location of the probe wherein the material of high...http://www.google.de/patents/US6730048?utm_source=gb-gplus-sharePatent US6730048 - Apparatus and method for ultrasonic medical device with improved visibility in imaging procedures