An ultrasonic probe for microscopic operations in accordance with the present invention consists mainly of an ultrasonic probe body, an elongated tubular member, and a bent handle member. The ultrasonic probe body has a transducer assembly attached to the distal end of a soft elongated tube that is extended...http://www.google.com/patents/US20030045768?utm_source=gb-gplus-sharePatent US20030045768 - Ultrasonic probe for operation under microscope
