Inhaler

Details Inhaler Inhaler

1993-06-03

1995-01-24

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

12820315, 222636, A61M 1300, A61M 1500, A61M 1600, B05D 714

Patent

active

053838505

ABSTRACT:
In the inhaler for the repeated inhalation of powdered pharmaceuticals there is arranged, in a housing (13) which has a rotatable cap (4), a dosing wheel with dosing chambers (22) between the intermediate floor (21) and a frame (20), which is supported on the baseplate (14). The rotatable cap (4), which is supported on the lid (17) by means of a spring (12), has an axially arranged cylinder (7) which projects through the lid (17), the intermediate floor (21) and the frame (20) into the housing (13) and is the drive shaft for the dosing wheel (1). The housing (13) is provided with a supply chamber (2) whose bottom part (intermediate floor (21)) has an opening (23) whose cross-section corresponds to that of the dosing chambers (22). The baseplate (14) is provided with a mouthpiece (9) which is arranged in a radial direction and which has a blow-out channel (6) with valve ( 8), which channel opens out into a tubular piston (16) which is fixed to the baseplate (14) and which extends into the cylinder (7) and connects the blow-out channel (6) with the inner space of the cylinder (7) via an opening (24). The frame (20) has a shaft (5) which connects the dosing chambers (22) with the blow-out channel (6) via an opening (25) in the mouthpiece (9).

REFERENCES:
patent: 2590832 (1952-03-01), Brown
patent: 5048514 (1991-09-01), Ramella
patent: 5094403 (1992-03-01), Tschumi
patent: 5201308 (1993-04-01), Newhouse
patent: 5243970 (1993-09-01), Ambrosio et al.
patent: 5301666 (1994-04-01), Lerk et al.

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