An improved ultrasonic surgical apparatus includes an ultrasonic handpiece. An ultrasonic fragmenting tool is mountable within the handpiece, the tool having a vibratable tip adapted for ultrasonically fragmenting tissue at a surgical site of a patient. A transducer is mounted within the handpiece and...http://www.google.de/patents/US6214017?utm_source=gb-gplus-sharePatent US6214017 - Ultrasonic surgical apparatus
