Nebulizer, especially for application in devices for inhalation

Details Nebulizer, especially for application in devices for inhalation Nebulizer, especially for application in devices for inhalation

1994-11-01

1996-08-27

Burr, Edgar S.

Surgery

Liquid medicament atomizer or sprayer

Gas stream aspirating medicament from reservoir

12820018, 12820325, 239370, A61M 1100

Patent

active

055491022

ABSTRACT:
The invention relates to a nebulizer, especially for application in devices for inhalation therapy. The nebulizing chamber 1 is closed at the bottom by a liquid collection region 2. The liquid mist is inhaled by the patient through a short suction pipe 4 from the nebulizing chamber 1. The process of mixing and homogenization is provided in a very effective manner by the nebulizing chamber divider 6, by means of which one part 1a of the nebulizing chamber 1, which lies in the immediate vicinity of the opening of the short suction pipe 4, is divided to a certain degree from the remaining part 1b of the nebulizing chamber 1. The nebulizing chamber divider 6 in the nebulizing chamber functions as baffle plate, which prevents overly large droplets from being dragged along into the opening of the short suction pipe and for the settling out or precipitation of the overly large droplets, and thus for the homogenization of the liquid mist. Additionally, the nebulizing chamber divider also acts as a guide element, which affects the air flow in the nebulizing chamber and extends the flow path thereof, in order to achieve thus better mixing.

REFERENCES:
patent: 2605087 (1952-07-01), Dautrebande
patent: 3658059 (1972-04-01), Steil
patent: 4566451 (1986-01-01), Badewein
patent: 4595002 (1986-06-01), Michaels
patent: 4836055 (1989-12-01), Hoppough
patent: 4972830 (1990-11-01), Wong
patent: 5165392 (1992-11-01), Small

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