The reworked CPAP and BiPAP machines from Philips Respironics were found to be "unlikely to result in an appreciable harm to health in patients," Philips said Dec. 21.
Five independent labs evaluated the devices, and the results were reviewed by third-party experts, Philips subsidiary Philips Respironics and an external medical panel.
In June 2021, millions of sleep apnea masks were recalled because of a foam breakdown.
"The new results indicate that exposure to particulate matter emissions from degraded foam in DreamStation devices, including potential respirable and non-respirable particulates, is unlikely to result in an appreciable harm to health in patients," according to a news release.