Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1987-10-26
1989-06-13
Michalsky, Gerald A.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820523, A61M 1600
Patent
active
048382582
ABSTRACT:
A hose assembly for a breathing system has a corrugated flexible breathing hose with a first adaptor at one (machine) end of the hose for connection to an anesthesia machine remote from the subject patient using the hose for breathing. The adaptor has a cylindrical wall with a sampling port projecting laterally from the wall. A second adaptor is at the opposite (patient) end of the hose for connection to a breathing mask or endotracheal tube. A gas sample tube inside the hose has a sample entrance end projecting from the patient end adaptor a specified amount, extends through the entire length of the hose to the sampling port where it can communicate with a luer-lock connector and external sampling line to a gas sample monitor or, in another embodiment, the tube itself extends to the monitor. A resilient clip anchors the tube in a hose corrugation adjacent the patient end adaptor to fix the amount of extension of the sample tube from the patient adaptor and therefore fix its entrance end distance from the adaptor end. The tube is also anchored at the machine end adaptor. The tube is thick walled and relatively non-stretchable but loosely coiled inside the hose so it is not subjected to tensile loads when the corrugated hose is stretched linearly.
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Autieri Richard J.
Daly Robert G.
Dryden Paul E.
Gibeck-Dryden Corporation
Michalsky Gerald A.
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