Gsf-forschungszentrum Fur Umwelt Und Gesundheit, Gmbh

Inamed Gmbh

Friedel Haas

Gerhard Scheuch

Sascha Roeder

Knut Sommerer

Bernhard M&uuml;llinger

A device for flow rate limitation at low differential pressures, particularly for limiting the volumetric inhalation flow during inhalation of therapeutic aerosols, consists of a housing including an aspiration orifice , an inhalation orifice and a flow passage disposed therebetween. The flow passage has a flat elongate cross-section with flexible large-area walls having a cross-sectional area adapted to be reduced, as a function of the differential pressure prevailing between the inhalation orifice and the aspiration orifice, as well as of the flexibility of the material of the walls, to a size appropriate for a predetermined volumetric maximum inhalation flow.

Method and an apparatus for providing a constant medicine dose for an inhalic application at low inhalic flow

An inhalation device has a container for an aerosol volume inhaled via a channel and a mouthpiece , the container being located within a housing . The aerosol, in particular vitamin A, is introduced from a cartridge into the interior of the container via a nebulizer . The breath flow in the inhalation device is controlled via a control means that keeps the inhalation flow essentially constant during the entire inhalation period.

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Gauting, Germany

Friedel Haas