Apparatus and method for ultrasonic medical device with improved visibility in imaging procedures

An ultrasonic probe for destroying a biological material comprising:

• a proximal end, a distal end and a longitudinal axis therebetween;
• and
• a composite section having a material of low radiopacity surrounded by a material of high radiopacity,
• wherein a transverse ultrasonic vibration of the ultrasonic probe produces cavitation in a medium surrounding the ultrasonic probe to destroy the biological material along a portion of the longitudinal axis of the ultrasonic probe including the composite section.

A method of improving the visibility of an ultrasonic probe for ablating a biological material comprising:

• providing an ultrasonic probe composed of a material of low radiopacity;
• engaging a material of high radiopacity to the material of low radiopacity at an at least one predetermined location of the ultrasonic probe;
• and
• adapting the ultrasonic probe such that the material of high radiopacity supports a transverse ultrasonic vibration to ablate the biological material along at least a portion of a longitudinal axis of the ultrasonic probe including the material of high radiopacity.

A method for increasing the visibility of an ultrasonic probe inserted into a body comprising:

• providing a material of low radiopacity;
• welding a material of high radiopacity to the material of low radiopacity to form an ultrasonic probe;
• inserting the ultrasonic probe into the body;
• and
• vibrating the material of low radiopacity and the material of high radiopacity to treat a biological material along at least a portion of a longitudinal axis of the ultrasonic probe.