Inhalation device and method

Details Inhalation device and method Inhalation device and method

1997-12-19

2000-10-31

Lewis, Aaron J.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820312, A61M 1500

Patent

active

061386731

ABSTRACT:
An inhalation device comprising a chamber having an inlet and an outlet; and an active substance reservoir, wherein the device further includes vacuum means for forming a vacuum in the chamber and valve means arranged to release the vacuum, so that the substance contained in the reservoir is dispersed in the chamber on release of the vacuum.

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patent: 390533 (1888-10-01), Toepfer
patent: 933153 (1909-09-01), Bierly
patent: 1396394 (1921-11-01), Barrett
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patent: 4637425 (1987-01-01), Petersen
patent: 5141020 (1992-08-01), Sunderhaus et al.
patent: 5186164 (1993-02-01), Raghuprasad
patent: 5239992 (1993-08-01), Bougamont et al.
patent: 5579760 (1996-12-01), Kohler
patent: 5823183 (1998-10-01), Casper et al.

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