Dispensing device with spray nozzle and driven piston

Details Dispensing device with spray nozzle and driven piston Dispensing device with spray nozzle and driven piston

1994-06-03

1996-08-20

Weldon, Kevin P.

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

And frangible seal rupturing means

239329, 239463, 239570, 239579, 239324, 222390, 12820023, A61M 5315

Patent

active

055471315

ABSTRACT:
A dispensing device which includes a container for liquid to be dispensed, an outlet nozzle including a device to break-up a flow of liquid under pressure into a spray, a piston for forcing liquid out of the container under pressure and through the nozzle, and a drive device for moving the piston a predetermined distance to dispense a predetermined quantity of liquid from the container. The drive device includes a dose selector for selecting the predetermined amount of liquid and a plunger for moving the piston, movement of the dose selector determining subsequent movement of the plunger. The device is particularly suited to nasal administration of liquid.

REFERENCES:
patent: 731659 (1903-06-01), Bennett
patent: 1707660 (1929-04-01), Hammerstein
patent: 2631757 (1953-03-01), Alexander
patent: 2677373 (1954-05-01), Barradas
patent: 3162194 (1964-12-01), Indelicato
patent: 3203592 (1965-08-01), Farandatos
patent: 3306252 (1967-02-01), Knight et al.
patent: 3367330 (1968-02-01), Sierpen
patent: 3856185 (1974-12-01), Riccio
patent: 4165739 (1979-08-01), Doherty et al.
patent: 4393884 (1983-07-01), Jacobs
patent: 4883204 (1989-11-01), Kay et al.
patent: 5062830 (1991-11-01), Dunlap

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