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 patient alleges sinus infections every 3 months with nasal and throat irritation.There is no allegation of serious or permanent harm or injury.The patient required no medical intervention.A device was returned to the manufacturer service center 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 device was visually inspected during the evaluation, and unknown dust/dirt contamination was present on all unit surfaces.The manufacturer observed an unknown white dust residue present on the side panel o-ring, blower box housing, and motor casing/impeller.Unknown dust/dirt contamination is present throughout the base unit.A keratin-like substance was observed around the blower box outlet.The manufacturer confirmed the presence of degraded sound abatement foam using a fitt.A keratin-like substance was observed around the blower box outlet.The manufacturer is unable to address the symptoms outlined in the complaint directly.The manufacturer can confirm that there was evidence of sound abatement foam degradation/breakdown observed in the base unit.The manufacturer can confirm the presence of contamination in the airpath.
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