Powder inhalation device having nozzle to empty dosing chamber

Details Powder inhalation device having nozzle to empty dosing chamber Powder inhalation device having nozzle to empty dosing chamber

1994-10-25

1996-11-19

Asher, Kimberly L.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820323, A61M 1508, A61M 1600, B05D 714, B65D 8306

Patent

active

055752802

ABSTRACT:
The invention relates to a propellant-free inhalation device with a supply of pulverized medical substance in a supply chamber, which has a rotatable dosing means with one or more dosing chambers to receive in one defined position the dose of the medical substance to be inhaled from the supply chamber and to discharge the dose in another position. The inhalation device further is provided with a mouthpiece for active inhalation and an air channel to distribute the dose discharged from the dosing chamber in the flow of breathing air.

REFERENCES:
patent: 2587215 (1952-02-01), Priestly
patent: 3973566 (1976-08-01), Mathes
patent: 4274403 (1981-06-01), Struve
patent: 4307734 (1981-12-01), Blankenship
patent: 4570630 (1986-02-01), Elliott et al.
patent: 4668218 (1987-05-01), Virtanen
patent: 4709837 (1987-12-01), Erdman

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