No report of patient involvement.The initial reporter is located outside the u.S., and therefore this information is not provided due to country privacy laws.A ge healthcare service representative performed a checkout of the equipment and confirmed the reported complaint.The n2o flowmeter needle valve kit, o-rings and spacer parts were replaced.The secondary regulators were calibrated, and the unit was returned to service.
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The hospital reported, during pre-use checkout, that the unit was able to deliver n2o without o2, resulting in a hypoxic mixture.There was no report of patient involvement.
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