Gas dispensing assembly

Details Gas dispensing assembly Gas dispensing assembly

1975-01-09

1977-02-22

Michell, Robert W.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

128142R, 13761419, 251337, A61M 1600

Patent

active

040087166

ABSTRACT:
A gas dispensing assembly suitable for dispensing oxygen from a vessel pressurized to 1800 pounds per square inch, the assembly including a manually operable member to turn supply of oxygen from said vessel on and off, a regulator valve supplied with gas at the pressure inside of the vessel when the supply is turned on, a spring biased regulator operable to control the opening and closing of the regulator valve to regulate the pressure in an outlet to a desired pressure for supply of the gas to the interior of a face mask; the assembly being capable of supplying oxygen to the face mask for a period exceeding 15 minutes at a flow rate exceeding 6 liters per minute with little variation of that flow rate with variation of pressure of the supply of oxygen.

REFERENCES:
patent: 1551908 (1925-09-01), Prouty
patent: 2854001 (1958-09-01), Humblet
patent: 2877766 (1959-03-01), Moore
patent: 3043302 (1962-07-01), Spears et al.
patent: 3114388 (1963-12-01), Hoen
patent: 3386458 (1968-06-01), Wasserman et al.

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