Ultrasonic surgical handpiece

Details Ultrasonic surgical handpiece Ultrasonic surgical handpiece

1991-12-12

1993-04-06

Lewis, Ralph

Surgery

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

With means for cutting, scarifying, or vibrating tissue

606169, 606107, A61B 1700

Patent

active

051999439

ABSTRACT:
An ultrasonic surgical handpiece having a generally hollow body with a reduced diameter portion at a free end and an interior surface, an ultrasonic horn coaxially mounted inside the body, terminating at the free end and defining a fluid flow passage at the reduced diameter portion and a spiral thread formed in the interior surface at the reduced diameter portion for reducing shearing of a fluid flowing through the fluid flow passage created by an ultrasonic vibration of the horn.

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