POWDER INHALER Russian patent published in 2005 - IPC

FIELD: medicinal equipment.

SUBSTANCE: powder inhaler has casing equipped with air inlet apertures and aerosol discharge aperture and adapted to be covered with protective casing. Said apertures are connected with air pipeline equipped with speeding-up channels connected with disperser. Powder inhaler is further equipped with container for storage of powder, and dosing device formed as movable plate with measuring aperture for feeding of powder dose into speeding-up channel. Movable plate of dosing device is equipped with additional measuring aperture identical to above mentioned measuring aperture and spaced from axis of rotation of dosing device by the same distance and offset relative first mentioned aperture by angle of 90° so that upon turning of dosing device each of said measuring apertures is alternatively arranged under aperture in base of container for powder or under one of speeding-up channels. Each of speeding-up channels is separated by partition wall protruding from one of speeding-up channel walls at its outlet end. Said wall tightly adheres to movable plate of dosing device and is extending above measuring aperture across two channels so that one of channels is connected with disperser and other channel is communicating with first channel through measuring aperture.

EFFECT: increased efficiency in introducing of medicinal preparation into individual's respiratory tracts and lungs with minimal value of created inspiration flow.

4 dwg