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Ultrasonic surgical blade having transverse and longitudinal vibration

  • US 20050234484A1
  • Filed: 02/24/2005
  • Published: 10/20/2005
  • Est. Priority Date: 02/27/2004
  • Status: Abandoned Application
First Claim
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1. An ultrasonic surgical blade comprising 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 longitudinal vibration node, and a functional asymmetry which is asymmetric about the longitudinal axis and which translates longitudinal ultrasonic vibrational movement of the proximal end into a combination of a longitudinal ultrasonic vibration and a transverse ultrasonic vibration in at least some of the treatment portion of the ultrasonic-surgical-blade body, wherein an amplitude of the transverse ultrasonic vibration at the distal tip is less than substantially ten percent of a maximum amplitude of the transverse ultrasonic vibration of the treatment portion of the ultrasonic-surgical-blade body.

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