Apparatus for and method of removal of material using ultrasonic

Details Apparatus for and method of removal of material using ultrasonic Apparatus for and method of removal of material using ultrasonic

1982-09-24

1985-03-12

Rosenbaum, C. Fred

Surgery

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

With means for cutting, scarifying, or vibrating tissue

604 27, 604 28, 604 35, A61B 1720, A61B 518

Patent

active

045042640

ABSTRACT:
A hand-held surgical instrument for fragmentation and removal of animal tissue such as a cataract has a working tip which in addition to being longitudinally vibrated is laterally oscillated to enhance the operation thereof. Also, the method of laterally oscillating the working tip in the range of about 5 degrees to about 60 degrees, longitudinally vibrating the tip ultrasonically, supplying treatment fluid to the region adjacent to the working tip and withdrawing the suspended particles of the cataract in the fluid.

REFERENCES:
patent: 3433226 (1969-03-01), Boyd
patent: 3526219 (1970-09-01), Balamuth
patent: 3589363 (1971-06-01), Banko et al.
patent: 3805793 (1974-04-01), Wright
patent: 3902495 (1975-09-01), Weiss et al.
patent: 3942519 (1976-03-01), Shock
patent: 4428748 (1984-01-01), Peyman

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