Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1978-06-06
1980-09-30
Haroian, Harry N.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820714, A61M 1700
Patent
active
042249392
ABSTRACT:
An appliance for establishing a bacteriologically safe connection between a respirator and an endotracheal tube comprises a head fitting, which is adapted to be mounted on the endotracheal tube. A flexible tube for supplying inhalable gas and a flexible withdrawing tube for withdrawing exhaled air are connected to said head fitting. An exhalation valve is incorporated in the withdrawing tube and is incorporated by a controller in step with the artificial respiration. An inflatable bag, which is manually operable to effect artificial respiration, is connected by a tee fitting to the supply tube, which is connected by a bacteria filter and the controller to the respirator. The inflatable bag is provided with a sensor, which is connected by a signal line to the controller and causes the latter to close and open the exhalation valve in step with the manually effected artificial respiration.
REFERENCES:
patent: 3434471 (1969-03-01), Liston
patent: 3814091 (1974-06-01), Henkin
patent: 3815596 (1974-06-01), Keener et al.
patent: 4011866 (1977-05-01), Klein et al.
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