The manufacturer was contacted in reference to the voluntary field safety notice / recall notification related to the sound abatement foam in certain cpap, bipap, and mechanical ventilator devices.The manufacturer received information alleging a black screen and a burnt smell.There is no allegation of serious or permanent harm or injury.No medical intervention was required by the patient.The ventilator was returned to the manufacturer for evaluation and the customer¿s complaint for the burnt smell was not confirmed.It was confirmed that the screen display occasionally got black and black the moment the therapy button was pressed and no airflow was delivered.However, when a load was applied to the connector part to connect to the humidifier by such as twisted with fingers, airflow stopped and the screen turned black.Additional it is possible that a semi-disconnection or contact failure occurred around the connector of the heated tube.However, the cause was not identified.
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