Method and apparatus for ocular perfusion

Details Method and apparatus for ocular perfusion Method and apparatus for ocular perfusion

1990-02-12

1991-09-10

Hindenburg, Max

Surgery

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

Gas application

604 43, 604 49, 604118, A61M 3700

Patent

active

050470094

ABSTRACT:
Ocular perfusion during intraocular surgery of the anterior or posterior ocular cavity is optimized through the method of using a gas pump having a discernible and controllable output pressure to pressurize a reservoir of liquid infusate, which is supplied under pressure to a surgical infusion instrument for perfusion of the selected ocular chamber (Gas Forced Liquid Infusion, GFLI). The infusate selection and the infusate pressure can be controlled with a high degree of accuracy and both can be rapidly varied by audible command. Preferentially a human sensible indication of pressure is constantly available at the gas pump.

REFERENCES:
patent: 3812855 (1974-05-01), Banko
patent: 3920014 (1975-11-01), Banko
patent: 4007742 (1977-02-01), Banko
patent: 4019514 (1977-04-01), Banko
patent: 4117843 (1978-10-01), Banko
patent: 4184510 (1980-01-01), Murray et al.
patent: 4509507 (1985-04-01), Tabe
patent: 4813927 (1989-03-01), Morris et al.
patent: 4900301 (1990-02-01), Morris et al.

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