Atomising nozzle and filter and spray generating device

Details Atomising nozzle and filter and spray generating device Atomising nozzle and filter and spray generating device

2007-07-24

2007-07-24

Yu, Justine R. (Department: 3771)

Surgery

Liquid medicament atomizer or sprayer

Gas stream aspirating medicament from reservoir

C128S200210, C128S200230, C239S462000, C239S543000, C239S544000, C239S553000

Reexamination Certificate

active

10291624

ABSTRACT:
A nozzle assembly for use in atomizing and generating sprays from a fluid. The nozzle assembly includes two members, each with generally planar surfaces, that are joined together. A first set of channels is formed in the generally planar surface of a first one of the members to form, in cooperation with the generally planar surface of the second of the members, a plurality of filter passageways. A plenum chamber is formed in the first member. The plenum chamber is in fluid communication with and downstream of the plurality of filter passageways. A second set of channels is formed in the generally planar surface of the first member to form, in cooperation with the generally planar surface of the second member, a plurality of nozzle outlet passageways. These nozzle outlet passageways are in fluid communication with the plenum chamber. The nozzle outlet passageways include a plurality of nozzle outlets which are adapted to discharge a plurality of fluid jets that impinge on one another to thereby atomize a flow of fluid.

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