Suction resistant inhalator

Details Suction resistant inhalator Suction resistant inhalator

1986-05-06

1988-04-26

Kamm, William E.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820312, 12820323, A61M 1500, A61M 1508, B05D 714, B65D 8306

Patent

active

047397543

ABSTRACT:
A medicinal inhalator utilizing a restriction chamber to mix pressurized medication with air drawn through a filter in a supply duct and to create a flow resistance necessarily causing the medication and air mixture to be drawn into the lungs of the user. The inhalator includes a supply duct which receives a pressurized container of medication, the medication being released upon depression of the container against a surface of a boss formed in the supply duct. The pressurized medication flows through a transmission passage and is mixed with incoming air in a restriction chamber containing a rotating turbine which is in fluid communication with a mouthpiece incorporating a venturi increasing air flow velocity. The restriction chamber can include one or a plurality of rotating turbines in series providing desired predetermined resistance to suction during use of the inhalator.

REFERENCES:
patent: 16066 (1856-11-01), Murphy
patent: 3795244 (1974-03-01), Lax et al.
patent: 4524769 (1985-06-01), Wetterlin

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