The manufacturer received information alleging a dreamstation auto cpap device caused an end user to have recurring sinus infections.Allegedly, the doctor agrees and feels the cpap is giving the patient sinus infections and wants the patient to have a new device.There was no report of serious patient harm or injury.There was no report of medical intervention.The device was returned to the manufacturer for evaluation.During the evaluation of the device, the device was visually inspected, and found evidence of white colored talc-like contaminant on the filters in air inlet port and in the air-path.The finding of contaminants in the air inlet ports indicates the source of the contaminants is external to the devices and is not related to a failure of the devices.The device was scrapped, the customer's complaint could not confirm and no error code found.
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