Method and apparatus for providing enhanced tissue fragmentation

Details Method and apparatus for providing enhanced tissue fragmentation Method and apparatus for providing enhanced tissue fragmentation

1987-09-30

1990-06-05

Cohen, Lee S.

Surgery

Means for introducing or removing material from body for...

With means for cutting, scarifying, or vibrating tissue

604 35, 606 42, 606 45, 606 49, 606169, A61B 1732, A61B 1739

Patent

active

049310470

ABSTRACT:
An apparatus having a vibratable tip for ultrasonically disintegrating tissue in a surgical procedure and for aspirating the disintegrated tissue and fluids away from the surgical site through an opening in the tip. A connection to an electrosurgical unit provides for delivery of RF cutting current, RF coagulating current or a blend thereof to the tip so that electrosurgical procedures can be conducted separately or simultaneously with ultrasonic aspiration through the tip. It thus is now possible, for example, to electrocauterize simultaneously with ultrasonic fragmentation with a single handheld surgical device. The simultaneous delivery of ultrasonic vibrations and RF current to the tip also has been found to increase the tissue fragmentation rate.

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