Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1991-02-06
1993-05-25
Burr, Edgar S.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820227, 12820426, 12820525, 12820524, A61M 1600, A62B 704, A62B 904, A62B 902
Patent
active
052130959
ABSTRACT:
Apparatus for coupling a compressed gas supply hose to a gas pressure regulator includes first and second elbow fittings, each of which has opposed male and female ends. The male end of the first elbow fitting matingly engages a female fitting on the pressure regulator and the female end thereof is in mating engagement with a complementary male end of the second elbow fitting. The female end of the second elbow fitting is attached to a male fitting on one end of the hose. The male end of the first elbow fitting is constrained against rotation about a lateral axis, along which the male end of the first elbow fitting is connected to the pressure regulator, so that the first elbow fitting is substantially inhibited from rotation with respect to the pressure regulator. The first and second elbow fittings are rotatable with respect to one another about a vertical axis extending between the aforementioned lateral axis and another lateral axis, along which the hose is connected to the second elbow fitting. The coupling apparatus allows the diver to turn his head freely in the direction of the air hose without substantial resistance therefrom because the second elbow fitting and a portion of the hose adjacent thereto can be swivelled with respect to the first elbow fitting and the pressure regulator.
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patent: 5062420 (1991-11-01), Levine
Asher Kimberly L.
Burr Edgar S.
McCord W. Kirk
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