Ocular treatment

Details Ocular treatment Ocular treatment

1990-04-26

1991-10-01

Pellegrino, Stephen C.

Surgery

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

Infrared, visible light, ultraviolet, x-ray or electrical...

604289, 604294, 604298, 12820014, A61N 130

Patent

active

050530003

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 opthalmically 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: 2534310 (1950-12-01), Silverman
patent: 2698015 (1954-12-01), Brown
patent: 3934585 (1976-01-01), Maurice
patent: 4340047 (1982-07-01), Tapper et al.
patent: 4398909 (1983-08-01), Portnoff
patent: 4564016 (1986-01-01), Maurice et al.
patent: 4623337 (1986-11-01), Maurice
patent: 4758237 (1988-07-01), Sacks
patent: 4792334 (1988-12-01), Py

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