APPARATUS FOR DOSED INJECTION OF POWDER SUBSTANCE Russian patent published in 1997 - IPC

Abstract RU 2091088 C1

FIELD: medical equipment, in particular, apparatus used in inhalers. SUBSTANCE: inhaler has reservoir, cell containing predetermined dose of powder, cylinder with spring-biased hollow piston and valve unit. Cell is positioned in casette provided with additional powder cells. Ends of cells are covered with membranes engageable with puncturing device. Cassette is movable for bringing each cell to outlet end of channel to provide communication of reservoir with cell and outlet branch pipe. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 16 cl, 8 dwg

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RU 2 091 088 C1

Authors

Jergen Rehks[Dk]

Dates

1997-09-27—Published

1990-10-24—Filed