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Ramses Nashed: Breathing circuit disconnect warning system and method for using a disconnect system. Edward P Dutkiewicz, February 8, 2005: US06851427 (25 worldwide citation)

A breathing circuit disconnect warning system comprising an endotracheal tube, a breathing circuit supply tube with a pair of spaced electrically conductive strips, and a coupling tube. The coupling tube has an output end with a normally open switch including a first electrically conductive element ...


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Ramses Nashed: Breathing circuit disconnect warning system and method for using a disconnect system. Edward P Dutkiewicz, April 5, 2005: US06874502 (6 worldwide citation)

A gas circuit has an outlet and an inlet. Circuit adapters are provided. An anesthesia breathing circuit has tubular breathing circuit hoses, a Y connector and a connecting elbow. The breathing circuit has an electronically conductive system of wires and contacts to form two unconnected parallel ele ...