Microdispensing ophthalmic pump

Details Microdispensing ophthalmic pump Microdispensing ophthalmic pump

1996-08-08

1999-03-16

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

Moving solid surface engages material to be sprayed

239590, 2223217, 222385, A62C 1100

Patent

active

058819568

ABSTRACT:
A microdispensing ophthalmic pump is provided for repeatedly delivering doses as small as 5 microliters within an angular operating range. The pump basically comprises a reservoir, a dispensing cap, an actuator and a pump body with a pump mechanism disposed therein. The pump mechanism is regulated by a limited-travel inlet check valve and a biased-closed outlet check valve. A failsafe mechanism is formed between the actuator and dispensing cap to prevent operation of the pump outside the operating range.

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patent: 5152435 (1992-10-01), Stand et al.
patent: 5579958 (1996-12-01), Su
patent: 5630793 (1997-05-01), Rowe
patent: 5649649 (1997-07-01), Marelli

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