Powder inhaler

Details Powder inhaler Powder inhaler

1992-12-14

1994-04-12

Burr, Edgar S.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820321, 2221426, A61M 1500, B65D 8304

Patent

active

053016661

ABSTRACT:
A powder inhaler for medication, for example for treatment of asthma. The inhaler has a rotatable and/or displaceable active substance magazine which has several apertures for medication. The magazine is moved with the aid of a control curve mechanism by rotation and/or displacement in such a manner that a chamber prefilled with active substance mixture is always located in front of the air inlet opening. The respiratory air stream of the patient is guided through the apparatus in such a manner that the air stream empties the chamber with the active substance mixture. The active substance mixture is divided up into respirable particles in a cyclone chamber or against an impact plate and then surrounded with a jacket stream of pure air and inhaled.

REFERENCES:
patent: 1216252 (1917-02-01), Ferguson
patent: 1585466 (1926-05-01), Coles
patent: 3096910 (1963-07-01), Pehr
patent: 4583667 (1986-04-01), Fishman
patent: 5048514 (1991-09-01), Ramella
patent: 5207217 (1993-05-01), Cocozza

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