Method of ultrasonic cryogenic cataract removal

Details Method of ultrasonic cryogenic cataract removal Method of ultrasonic cryogenic cataract removal

1974-08-12

1976-03-09

Pace, Channing L.

Surgery

Truss

Perineal

1283031, A61F 900, A61B 1736

Patent

active

039425193

ABSTRACT:
Ultrasonic and cryogenic instrumentation for the removal of unwanted tissue material from an animal, such as a human, and more particularly, adapted for the removal of cataracts, in surgical operations. The ultrasonic and cryogenic instrumentation include hand-held instruments with the cryogenic instrumentation adapted to first freeze the cataract lens and after the cataract lens has unfrozen the ultrasonic instrumentation is adapted by a vibrating tool to reduce the volume of the cataract and thereafter, through the simultaneous introduction of a fluid and creating a flow, the cataract mass exits through the incision around the vibrating tool until all of the unwanted tissue forming the cataract lens is removed.

REFERENCES:
patent: 3439680 (1969-04-01), Thomas, Jr.
patent: 3451395 (1969-06-01), Thyberg
patent: 3589363 (1971-06-01), Banko
patent: 3736938 (1973-06-01), Evvard et al.
patent: 3812855 (1974-05-01), Banko

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