Ocular treatment

Details Ocular treatment Ocular treatment

1989-01-23

1990-08-28

Pellegrino, Stephen C.

Surgery

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

Treating material applied to or removed from external...

604 20, 604289, 604298, A61M 3500

Patent

active

049522124

ABSTRACT:
A method of administering less than 20 .mu.l of a solution of an ophthalmically effective substance to the eye characterized in that the formulation has a viscosity and resistivity which makes it suitable for electrodynamic spraying, and the formulation is supplied to a spray nozzle wherein a sufficiently large electrical potential, relative to earth, is applied to the formulation that a sufficient electrical gradient is provided at the spray nozzle to atomize the formulation as a spray of electrically charged droplets. Also liquid solution formulations of ophthalmically effective substances for use in the method of the invention; and electrodynamic spraying apparatus, convenient for hand held use, for use in the method of the invention.

REFERENCES:
patent: 3934585 (1976-01-01), Maurice
patent: 4067499 (1978-01-01), Cohen
patent: 4356528 (1982-10-01), Coffee
patent: 4381533 (1983-04-01), Coffee
patent: 4390542 (1983-06-01), Schachar
patent: 4476515 (1984-10-01), Coffee
patent: 4544570 (1985-10-01), Plunkett et al.
patent: 4564016 (1986-01-01), Maurice et al.

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