An ultrasonic medical probe comprises an elongate shaft formed integrally with a head portion having a distal end face oriented at least partially transversely to a longitudinal axis of the shaft. The shaft is provided with an internal longitudinal channel or bore extending to the end face. The end face...http://www.google.de/patents/US20060241470?utm_source=gb-gplus-sharePatent US20060241470 - Ultrasonic wound debrider probe and method of use
