Inhaler

Details Inhaler Inhaler

1985-08-09

1987-06-23

Recla, Henry J.

Surgery

Liquid medicament atomizer or sprayer

12820018, 12820315, 239338, 239526, 239600, A61M 1100

Patent

active

046744916

ABSTRACT:
The invention relates to an inhaler for atomization, dispersing and mixing of fluid or powdery substances by means of a pressurized gas flow (30) for production of an aerosol. The inhaler consists of an atomization head (1) arranged in the upper end of a two part hand grip (2). The atomization head (1) has a central atomization nozzle comprised of a nozzle head (23) and a gas flow controller (27), a connection passage (21) for pressurized gas supply, an air supply chimney (28) and an aerosol outlet passage (28) for connection to a mouthpiece. The nozzle head (23) contains a central pressurized gas passage (22) and lateral suction channels (24,25) for the atomization material (26). According to the invention the atomization head (1) has a spherical shape and is surrounded by correspondingly shaped hollow spherical parts (5,6) of the hand grip. The low height is achieved in that between the container (18) receiving the atomization material (26) and the cap (19), an insert (20) and a deflector (31) on the lower edge of the air supply chimney (28) are provided, by which the aerosol flow produced is guided in a labyrinthine manner via an edge (32) on the deflector (31) and an edge (33) on an insert (20) to the outlet passage (29). In this way, larger particles unsuitable for lung ingestion (extra thoracic) are excluded.

REFERENCES:
patent: 487211 (1938-06-01), Curry
patent: 1263079 (1915-10-01), Leon
patent: 1642757 (1923-03-01), Wiechmann
patent: 3603308 (1971-09-01), Spradling

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