Liquid dispensing apparatus and methods

Details Liquid dispensing apparatus and methods Liquid dispensing apparatus and methods

1998-04-10

2000-07-11

Weiss, John G.

Surgery

Liquid medicament atomizer or sprayer

Ultrasonic

12820312, 12820014, 239102, A61M 1600

Patent

active

060857404

ABSTRACT:
The invention provides methods and apparatus for nebulizing liquids. In one exemplary embodiment, an apparatus is provided which comprises a thin shell member having a front surface, a rear surface, and a plurality of apertures extending therebetween. The apertures are tapered to narrow from the rear surface to the front surface. A liquid supplier is further provided which delivers a predetermined unit volume of liquid to the rear surface. A vibrator vibrates the thin shell member to eject liquid droplets from the front surface of the thin shell member.

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