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 an issue related to a dreamstation bipap autosv device's sound abatement foam.The patient alleged waking up with grey mucus blocking air passage, brownish phlegm, and wakes during night with choking.There was no report of serious or permanent patient harm or injury.The device has not yet been returned to the manufacturer for investigation.The manufacturer's investigation is ongoing.A follow-up report will be submitted when the manufacturer's investigation is complete.
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