Fluid operated ophthalmic irrigation and aspiration device

Details Fluid operated ophthalmic irrigation and aspiration device Fluid operated ophthalmic irrigation and aspiration device

1979-03-30

1981-06-23

Michell, Robert W.

Surgery

Respiratory method or device

Ozone or ion generation

128910, 433 95, A61M 100

Patent

active

042744113

ABSTRACT:
A fluid operated and controlled irrigation and aspiration device for ophthalmic use. A source of fluid under pressure is connected through foot pedal operated valves to clamps for controlling irrigation through a conventional handpiece, and to a vacuum generating device. Selecting valves are provided for isolating the vacuum generating means, and for directing pressure to a pulsing circuit. The pulsing circuit can be used to control the vacuum to yield a pulsing aspiration; and, in a modification of the device, the pulsing circuit can be used to control a pressure circuit to operate a cutting device.

REFERENCES:
patent: 3589363 (1971-06-01), Banko et al.
patent: 3682166 (1972-08-01), Jawbs
patent: 3730180 (1973-05-01), Davison
patent: 3885567 (1975-05-01), Ross
patent: 3932065 (1976-01-01), Ginsberg et al.
patent: 4041947 (1977-08-01), Weiss et al.
patent: 4052987 (1977-10-01), Wochinich et al.
patent: 4136700 (1979-01-01), Broadwin et al.

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