In Rochester, New York, Diane Coleman has relied on a machine to help her stay alive, but she worries that it might be slowly undermining her health.
Her ventilator was among millions of breathing devices that Philips Respironics recalled last summer over safety concerns about numerous models of its ventilators, BiPAP and CPAP machines.
The reason: Polyester-based polyurethane foam used to muffle noise in those machines could degrade, giving off chemical gases and bits of black debris that could be swallowed or inhaled.
