Mouth-to-mouth resuscitator device

Details Mouth-to-mouth resuscitator device Mouth-to-mouth resuscitator device

1987-07-23

1989-04-11

Chambers, A. Michael

Surgery

Respiratory method or device

Means using rescuer's breath for supplying respiratory gas...

12820228, A61M 1600

Patent

active

048196282

ABSTRACT:
A resuscitator device for providing a physical shield between the rescuer and a victim requiring mouth-to-mouth resuscitation. The device comprises a flexible sheet having an opening centrally formed therein and a rigid tube secured to the sheet around the periphery of the opening for inserting into the mouth of the victim. A self closing one-way valve is contained in the tube and extends downward from the sheet opening and includes a flexible sleeve normally held closed at the outer end thereof by the action of a spring formed from a strip of rigid and flexible material secured to the outer end of the sleeve. The rescuer exhales a deep breath into the input of the valve via said opening in the sheet, to overcome the resilient force of the spring for discharging forced air into the mouth of the victim. After the rescuer has fully exhaled, the spring strip resiliently closes the valve to prevent any back flow of air, mist or liquid from the victim to the rescuer. Grooves are formed in the victim's side of the sheet to provide air pathways to the outside for air exhaled by the victim. A patch of an irregular non-smooth surface is also formed on the victim's side of the sheet to prevent the sheet from clinging to the nose, for allowing air flow out from the victim's nose.

REFERENCES:
patent: 3387624 (1968-06-01), Souey
patent: 3802428 (1974-04-01), Sherman
patent: 4360017 (1982-11-01), Barlett
patent: 4607663 (1986-08-01), Raftis et al.
patent: 4697587 (1987-10-01), Marinkovitch

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