Steam inhaler

Details Steam inhaler Steam inhaler

1989-01-26

1990-07-24

Burr, Edgar S.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820317, 12820326, 12820021, 239136, 239370, A61M 1100, A61M 1616, A61M 1618

Patent

active

049428748

ABSTRACT:
An improved steam inhaler for producing steam from water and aspirating inhalation liquid having a certain medical efficacy with the steam, comprising: a water supply tank, a first conduit, a first heating chamber, a second conduit, a second heating chamber, and a steam nozzle, along the path the water conveyed. The first and second heating chambers are provided with heating elements, and a one-way valve is provided in the first conduit. Therefore, the water boiled in the first chamber is conducted into the second heating chamber and prevented from returning to the water tank by the one-way valve. The water is completely vaporized in the second heating chamber. Since the water is thus metered from the water tank into the first heating chamber substantially upon demand, the steam inhaler can be activated immediately after the power is turned on, and can be deactivated immediately after the power is turned off. Thereby, the convenience of the steam inhaler is improved, and the waste of the inhalation liquid may be prevented.

REFERENCES:
patent: 3682167 (1972-08-01), Urbanowica
patent: 4149536 (1979-04-01), Villard
patent: 4318397 (1982-03-01), Kobayashi
patent: 4604999 (1986-08-01), Maeda

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