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Mechanical ventilators, on the other hand, are designed to provide patients who are unable to breathe normally on their own with high concentrations of oxygen delivered into the lungs, while ensuring that carbon dioxide is removed. BiPAP, or bi-level positive airway pressure, machines work in a similar way, but they provide variable levels of pressure rather than just one level. Just like its name suggests, a continuous positive airway pressure (CPAP) machine delivers a continuous stream of air at a single pressure level. By delivering a stream of pressurized air that keeps the airways open during sleep, CPAP and BiPAP machines can help improve respiration and sleep quality in people with obstructive sleep apnea. In people with obstructive sleep apnea, however, their breathing repeatedly stops for brief periods of time during sleep due to the airway at the back of the throat becoming blocked. Under normal circumstances, a sleeping person breathes slowly and regularly, with air flowing smoothly from the mouth and nose into the lungs. Contact us today to find out how our consumer advocates can help. If you or someone you love was diagnosed with cancer or another injury after using a now-recalled Philips Respironics ventilator, BiPAP, or CPAP machine, do not hesitate to speak to an experienced product liability lawyer about the possibility of filing a legal claim against the manufacturer. The problem with the recalled devices has led to lawsuits claiming that the allegedly defective foam used inside the affected sleep apnea devices caused users to develop cancer, respiratory issues, and other serious side effects. Philips Respironics CPAP Recall Certain Philips Respironics ventilators, BiPAP and CPAP machines were recalled by the FDA due to the potential for the sound abatement foam inside the machines to degrade and enter the devices’ air pathway, which could cause users to swallow or inhale toxic gases and particles.ĭue to an issue with potentially toxic sound abatement foam degrading and releasing debris and/or chemicals into patients’ airways, Philips Respironics was compelled to recall certain CPAP and BiPAP devices and mechanical ventilator machines in June 2021.