An oxygen failure warning and patient protection system. The Howison Unit.

Abstract

A device is described which sounds an alarm to warn of oxygen supply failure. A the same time the nitrous oxide flow is cut off, and a reservoir in the device provides a continuing oxygen flow to the patient for about a minute. This results in increased inspired oxygen levels temporarily, reducing the risk to the patient while the oxygen failure is being… (More)

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Cite this paper

@article{Holmes1978AnOF, title={An oxygen failure warning and patient protection system. The Howison Unit.}, author={Catherine Mae Holmes}, journal={Anaesthesia and intensive care}, year={1978}, volume={6 1}, pages={71-4} }