Surgery – Respiratory method or device – Means using rescuer's breath for supplying respiratory gas...
Patent
1987-11-30
1989-12-12
Burr, Edgar S.
Surgery
Respiratory method or device
Means using rescuer's breath for supplying respiratory gas...
12820228, A61M 1600
Patent
active
048860573
ABSTRACT:
An assisted breathing interface device for use by emergency care personnel in administering artificial resuscitation of a patient includes a housing unit having an open interior first and orifices communicating with the interior and a vent structure communicating with the interior. The first orifice may be engaged by the mouth of the emergency care administrator and the second orifice may be inserted in and engaged by the mouth of the patient, with the vent structure exteriorly opening to the ambient environment. A valve structure is provided which, when opened, permits passage of air from the first orifice, through the interior and out of the second orifice. When closed, the valve structure prohibits air flow from originating at the second orifice to exit through the interior and out of the first orifice, but permits the air to exit to the ambient environment out of the vent structure. When open, the valve structure preferably restricts air flow from passing out of the interior by way of the vent structure. An auxiliary mouthpiece may be employed along with a ported washer as part of the first orifice. The housing unit may be of a two-piece, snap-fit construction including a main body and an end cap.
REFERENCES:
patent: 3286710 (1966-11-01), Bartlett, Jr.
patent: 3548822 (1970-12-01), Seeler
patent: 4106502 (1978-08-01), Wilson
patent: 4520811 (1985-06-01), White et al.
patent: 4697587 (1987-10-01), Marinkovich
Burr Edgar S.
E Z Breathe, Inc.
Lewis Aaron J.
Martin Timothy J.
Oxenham J. Preston
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