Ultrasonic instrument for surgical applications

Details Ultrasonic instrument for surgical applications Ultrasonic instrument for surgical applications

1995-09-29

1997-05-20

Manuel, George

Surgery

Truss

Pad

A61B 800

Patent

active

056304200

ABSTRACT:
An improved surgical instrument is described wherein, an ultrasonic stack includes one or more piezoelectric sections surrounded by at least first resonator section and a second resonator section. The excitation signal for the ultrasonic stack is adapted to provide power at a first and a second frequency in order to drive the surgical tip of the instrument at a first frequency and second frequency simultaneously.

REFERENCES:
patent: 5112300 (1992-05-01), Ureche
patent: 5180363 (1993-01-01), Idemoto et al.
patent: 5269309 (1993-12-01), Fort et al.
patent: 5438554 (1995-08-01), Seyed-Bobrforosh et al.
patent: 5526815 (1996-06-01), Granz et al.

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