Inline bacterial filters may increase the resistance to air flow through the device, which could mean the ventilator will not ventilate adequately.Inline bacterial filters will not help to reduce contact with certain chemicals that may be released from the PE-PUR foam.It is important to note the following considerations: The FDA's evaluation of the information provided by Philips is ongoing. At this time, the information provided by Philips has not established that the filters can reduce the PE-PUR foam's risks. Talk with your health care provider about using an inline bacterial filter, which may help to filter out pieces of PE-PUR foam, as indicated in the Philips recall notification.Do not stop or change ventilator use until you have talked to your health care provider.Recommendations for People Who Use Recalled Ventilators at Home and Their Caregivers Read more in the safety communication for Certain Reworked Philips Respironics Trilogy 100/200 Ventilators Recalled Due to Potential for Silicone Foam Adhesion Failure and Residual PE‐PUR Foam Debris. Additionally, Philips observed residual PE‐PUR sound abatement foam in some reworked Trilogy 100 and Trilogy 200 ventilators that were returned to customers. The silicone foam material used to replace the PE-PUR foam in the reworked ventilators may potentially move and block the airpath, which may reduce air flow in the ventilator and could also cause the device to alarm. These Philips Trilogy 100 and Trilogy 2000 ventilators were a part of this recall in June 2021 for issues with the polyester-based polyurethane (PE-PUR) sound abatement foam breakdown. The FDA issued a safety communication to provide additional information to patients, caregivers, and health care providers about two recent issues in certain reworked Philips Trilogy 100 and Trilogy 200 ventilators. CPAP machines are often prescribed to people with obstructive sleep apnea to keep their airways open during sleep. ![]()
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