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Recall Observatory FDA recall evidence

Device product

Philips Respironics Trilogy Evo O2, Software Version 1.05.15.00. Continuous home-use ventilator device.

Z-1647-2026

March 02, 2026

Class I

Product summary

Firm
Philips Respironics, Inc.
Event
Event 98540
Status
Ongoing
Classification
Class I
Quantity
113,717 units
Official record key
device-enforcement:Z-1647-2026

Official wording

Reason: In some situations, the Obstruction Alarm does not trigger within the timeframe dictated by the relevant standards and may take up to four breaths.

Code information: All Model No.; All UDI; All Serial No.

Distribution pattern: Worldwide Distribution. US Nationwide, Argentina, Austria, Australia, Bosnia and Herzegovina, Bangladesh, Belgium, Bulgaria, Bolivia, Brazil, Bahamas, Canada, Switzerland, Chile, China, Colombia, Czech Republic, Germany, Denmark, Algeria, Ecuador, Estonia, Egypt, Spain, Finland, France, Georgia, French Guiana, Gibraltar, Greece, Guatemala, Hong Kong, Croatia, Hungary, Indonesia, Ireland, Israel, India, Italy, Jersey, Jordan, Japan, Kenya, South Korea, Kuwait, Lebanon, Lithuania, Morocco, Montenegro, North Macedonia, Myanmar, Martinique, Malta, Mexico, Malaysia, Nigeria, Netherlands, Norway, Nepal, New Zealand, Oman, Panama, Peru, French Polynesia, Philippines, Pakistan, Poland, Portugal, Paraguay, Qatar, Reunion, Romania, Serbia, Russia, Saudi Arabia, Sweden, Singapore, Slovenia, Slovakia, Thailand, Tunisia, Turkey, Taiwan, Ukraine, United Arab Emirates, United Kingdom, Vietnam, Mayotte, South Africa, Zimbabwe.

Derived failure modes

  • Unknown

    reason.no_named_rule · v1.0.0

    In some situations, the Obstruction Alarm does not trigger within the timeframe dictated by the relevant standards and may take up to four breaths.