An ultrasonic surgical blade includes an ultrasonic-surgical-blade body having a longitudinal axis, a distal tip, a proximal end adapted for longitudinal ultrasonic vibrational excitation, a most-distal longitudinal vibration node, a treatment portion extending from the distal tip toward the most-distal...http://www.google.com.au/patents/US20050234484?utm_source=gb-gplus-sharePatent US20050234484 - Ultrasonic surgical blade having transverse and longitudinal vibration
