REMstar System One 60 Series REMstar Pro C-Flex+, w/H Tube Humid, 60 Series, AURecalls & reported problems

Summary

The FDA's MAUDE database contains 33 adverse event reports that list this exact device (DI 00606959005457), received between Sep 27, 2016 and Jan 8, 2026 — classified as 1 death, 9 injuries, 23 malfunctions.

The most frequently reported specific device problem is “Degraded” (31 reports).

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.

Most reported problems

Recent adverse event reports

The 25 most recent of 33 reports, in the reporter's own words as published by the FDA.

• MalfunctionJan 8, 2026Degraded

  THE MANUFACTURER WAS CONTACTED IN REFERENCE TO THE VOLUNTARY FIELD SAFETY NOTICE/RECALL NOTIFICATION RELATED TO THE SOUND ABATEMENT FOAM IN CERTAIN CPAP, BIPAP, AND MECHANICAL VENTILATOR DEVICES. THE MANUFACTURER RECEIVED INFORMATION ALLEGING THAT BLACK PARTICLES WERE SIGHTED IN DEVICE/HOSE & MASK. THERE WAS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. NO MEDICAL INTERVENTION WAS REQUIRED BY THE PATIENT. THE DEVICE HAS NOT YET BEEN RETURNED TO THE MANUFACTURER FOR EVALUATION.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 24012586 ↗
• MalfunctionJul 24, 2024Contamination; Contamination

  THE MANUFACTURER WAS CONTACTED REGARDING A REMSTAR PROCFLEX+W/HTHUMSYSONE,60SRS, AUS DEVICE. PER THE REPAIR WORK ORDER (RWO) AND THE PHOTOS PROVIDED, THE DEVICE HAS BLACK PARTICLES AND GUNK IN THE INLINE FILTER; THERE ARE NO ALLEGATIONS OF PARTICLES IN THE MASK OR HOSING. THERE ARE NO ALLEGATIONS OF SERIOUS INJURY OR PATIENT HARM. NO CLINICAL INFORMATION OR MEDICAL INTERVENTION HAS BEEN SPECIFIED. NO FURTHER INVESTIGATION CAN BE CARRIED OUT AT THIS TIME. IF ADDITIONAL INFORMATION IS RECEIVED AFTER INSPECTION AND ANALYSIS OF THE DEVICE, A FOLLOW-UP REPORT WILL BE FILED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 19813540 ↗
• DeathJan 5, 2024Degraded; Degraded

  THE MANUFACTURER WAS CONTACTED IN REFERENCE TO THE VOLUNTARY FIELD SAFETY NOTICE / RECALL NOTIFICATION RELATED TO THE SOUND ABATEMENT FOAM IN CERTAIN CPAP, BIPAP, AND MECHANICAL VENTILATOR DEVICES. THE MANUFACTURER RECEIVED INFORMATION ALLEGING THE PATIENT HAS PASSED AWAY FROM LUNG CANCER AFTER USING THE DEVICE FOR SEVERAL YEARS. THE REPORTER STATES "NOBODY HAS CONTACTED US TO ADVISE THERE WAS A PROBLEM WITH THIS MACHINE AND APPARENTLY IT HAS BEEN GOING ON SINCE 2021." THEY DO NOT REQUIRE A REPLACEMENT DEVICE AND ARE LOOKING TO "RECEIVE COMPENSATION." NO MEDICAL INTERVENTION WAS REPORTED. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available; Cancer

  MAUDE report 18458477 ↗
• MalfunctionJul 5, 2023Degraded; Degraded

  THE MANUFACTURER WAS CONTACTED IN REFERENCE TO THE VOLUNTARY FIELD SAFETY NOTICE / RECALL NOTIFICATION RELATED TO THE SOUND ABATEMENT FOAM IN CERTAIN CPAP, BIPAP, AND MECHANICAL VENTILATOR DEVICES. THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM BECAME DEGRADED AND CAUSED NODULES IN THE LUNGS. THE PATIENT DID NOT REPORT TO RECEIVE MEDICAL INTERVENTION. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: Nodule

  MAUDE report 17258773 ↗
• MalfunctionJun 14, 2023Degraded; Degraded

  THE MANUFACTURER WAS CONTACTED IN REFERENCE TO THE VOLUNTARY FIELD SAFETY NOTICE / RECALL NOTIFICATION RELATED TO THE SOUND ABATEMENT FOAM IN CERTAIN CPAP, BIPAP, AND MECHANICAL VENTILATOR DEVICES. THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT HAS ALLEGED TO EXPERIENCING AN ITCHY THROAT/NOSE, DIFFICULTY BREATHING AND ASTHMA SYMPTOMS FOR A YEAR. THERE WAS NO REPORT OF SERIOUS PATIENT HARM OR INJURY. THERE WAS NO MEDICAL INTERVENTION REQUIRED BY THE PATIENT. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: Asthma; Dyspnea; Itching Sensation

  MAUDE report 17128149 ↗
• MalfunctionApr 12, 2023Degraded; Degraded

  THE MANUFACTURER WAS CONTACTED IN REFERENCE TO THE VOLUNTARY FIELD SAFETY NOTICE / RECALL NOTIFICATION RELATED TO THE SOUND ABATEMENT FOAM IN CERTAIN CPAP, BIPAP, AND MECHANICAL VENTILATOR DEVICES. THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT HAS ALLEGED TO EXPERIENCING AN UNEXPLAINED COUGH. THERE WAS NO REPORT OF SERIOUS PATIENT HARM OR INJURY. THERE WAS NO MEDICAL INTERVENTION REQUIRED BY THE PATIENT. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: Cough

  MAUDE report 16725897 ↗
• MalfunctionDec 22, 2022Degraded; Degraded

  THE MANUFACTURER WAS CONTACTED IN REFERENCE TO THE VOLUNTARY FIELD SAFETY NOTICE / RECALL NOTIFICATION RELATED TO THE SOUND ABATEMENT FOAM IN CERTAIN CPAP, BIPAP, AND MECHANICAL VENTILATOR DEVICES. THE MANUFACTURER RECEIVED INFORMATION ALLEGING VISUALIZATION OF BLACK PARTICLES IN THE DEVICE. THERE IS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. NO MEDICAL INTERVENTION WAS REQUIRED BY THE PATIENT. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16037341 ↗
• MalfunctionNov 23, 2022Degraded; Degraded

  THE MANUFACTURER WAS CONTACTED IN REFERENCE TO THE VOLUNTARY FIELD SAFETY NOTICE / RECALL NOTIFICATION RELATED TO THE SOUND ABATEMENT FOAM IN CERTAIN CPAP, BIPAP, AND MECHANICAL VENTILATOR DEVICES. THE MANUFACTURER RECEIVED INFORMATION ALLEGING THE PATIENT IS EXPERIENCING MIGRAINES WHILE USING THE DEVICE. PATIENT ALSO ALLEGED VISUALIZATION OF BLACK PARTICLES IN THE DEVICE. THERE IS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. NO MEDICAL INTERVENTION WAS REQUIRED BY THE PATIENT. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: Headache

  MAUDE report 15852929 ↗
• MalfunctionOct 4, 2022Degraded; Degraded

  THE MANUFACTURER WAS CONTACTED IN REFERENCE TO THE VOLUNTARY FIELD SAFETY NOTICE / RECALL NOTIFICATION RELATED TO THE SOUND ABATEMENT FOAM IN CERTAIN CPAP, BIPAP, AND MECHANICAL VENTILATOR DEVICES. THE MANUFACTURER RECEIVED INFORMATION ALLEGING THE PATIENT IS EXPERIENCING A PUFFY FACE, INFLAMED SINUSES, ACUTE SINUSITIS AND PROLONGED LARYNGITIS WHILE USING THE DEVICE. THERE IS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. NO MEDICAL INTERVENTION WAS REQUIRED BY THE PATIENT. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available; Skin Inflammation/ Irritation; Swelling/ Edema; Unspecified Respiratory Problem

  MAUDE report 15536656 ↗
• MalfunctionAug 22, 2022Degraded; Degraded

  THE MANUFACTURER WAS CONTACTED IN REFERENCE TO THE VOLUNTARY FIELD SAFETY NOTICE / RECALL NOTIFICATION RELATED TO THE SOUND ABATEMENT FOAM IN CERTAIN CPAP, BIPAP, AND MECHANICAL VENTILATOR DEVICES. THE MANUFACTURER RECEIVED INFORMATION ALLEGING VISUALIZATION OF BLACK PARTICLES IN THE HUMIDIFIER. THERE IS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. NO MEDICAL INTERVENTION WAS REQUIRED BY THE PATIENT. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 15265946 ↗
• MalfunctionAug 19, 2022Degraded; Degraded

  THE MANUFACTURER WAS CONTACTED IN REFERENCE TO THE VOLUNTARY FIELD SAFETY NOTICE / RECALL NOTIFICATION RELATED TO THE SOUND ABATEMENT FOAM IN CERTAIN CPAP, BIPAP, AND MECHANICAL VENTILATOR DEVICES. THE MANUFACTURER RECEIVED INFORMATION ALLEGING COUGHING, BRONCHITIS, UPPER RESPIRATORY INFECTIONS, POST NASAL DRIP, FATIGUE AND SLEEP DISTURBANCES WHILE USING THE DEVICE. PATIENT ALSO ALLEGED BLACK PARTICLES IN THE DEVICE. MEDICAL INTERVENTION WAS PROPHYLACTIC ANTIBIOTICS. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: Cough; Fatigue; Respiratory Tract Infection; Sleep Dysfunction

  MAUDE report 15258401 ↗
• MalfunctionJul 18, 2022Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT ALLEGED VISUALIZATION OF BLACK PARTICLES IN THE HUMIDIFIER CHAMBER. THERE IS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 15043443 ↗
• MalfunctionJul 14, 2022Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT ALLEGED A DRY SORE THROAT WHILE USING THE DEVICE. THERE IS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: Sore Throat

  MAUDE report 15015663 ↗
• MalfunctionJun 30, 2022Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT ALLEGED VISUALIZATION OF BLACK PARTICLES IN THE MASK FROM THE DEVICE. THERE IS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 14875302 ↗
• InjuryJun 21, 2022Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT ALLEGED THYROID CANCER WHILE USING THE DEVICE. MEDICAL INTERVENTION WAS NOT SPECIFIED. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: Cancer

  MAUDE report 14756961 ↗
• MalfunctionApr 21, 2022Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT ALLEGED VISUALIZATION OF BLACK PARTICLES IN HUMIDIFIER AND CONNECTIONS.. THERE IS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 14173450 ↗
• MalfunctionApr 7, 2022Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CONTINUOUS POSITIVE AIRWAY PRESSURE (CPAP) DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT ALLEGED HEADACHES POSSIBLY FROM THE AFFECTED DEVICE. THERE IS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. THIS ISSUE WAS REPORTED TO THE FDA PER 21 CFR 806. THE DEVICE WILL BE CORRECTED PER RES 88058.

  Patient problems: Headache

  MAUDE report 14042880 ↗
• MalfunctionMar 20, 2022Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CONTINUOUS POSITIVE AIRWAY PRESSURE (CPAP) DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT ALLEGED VISUALIZATION OF BLACK PARTICELS IN HOSE AND MASK. THERE WAS NO REPORT OF PATIENT HARM OR INJURY. THIS ISSUE WAS REPORTED TO THE FDA PER 21 CFR 806. THE DEVICE WILL BE CORRECTED PER RES 88058.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13834994 ↗
• MalfunctionMar 20, 2022Degraded; Degraded

  A DEVICE WAS RETURNED TO A THIRD PARTY SERVICE CENTER FOR SERVICE. THERE WAS NO HARM OR INJURY REPORTED. DURING THE EVALUATION OF THE DEVICE AT THE THIRD PARTY SERVICE CENTER, THE DEVICE'S SOUND ABATEMENT FOAM WAS REPLACED. THIS ISSUE WAS REPORTED TO THE FDA PER 21 CFR 806. THE DEVICE WILL BE CORRECTED PER RES 88058.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13830142 ↗
• MalfunctionFeb 25, 2022Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CONTINUOUS POSITIVE AIRWAY PRESSURE (CPAP) DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT ALLEGED VISUALIZATION OF BLACK PARTICLES IN THE HUMIDIFIER SECTION. THERE IS NO ALLEGATION OF SERIOUS OR PERMANENT HARM OR INJURY. THIS ISSUE WAS REPORTED TO THE FDA PER 21 CFR 806. THE DEVICE WILL BE CORRECTED PER RES 88058.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13600395 ↗
• MalfunctionFeb 22, 2022Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THE PATIENT HAS ALLEGED TO SEEING PARTICLES IN THE AIRPATH. THERE WAS NO REPORT OF PATIENT HARM OR INJURY. THIS ISSUE WAS REPORTED TO THE FDA PER 21 CFR 806. THE DEVICE WILL BE CORRECTED PER RES 88058.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13578891 ↗
• MalfunctionNov 16, 2021Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THERE WAS NO REPORT OF PATIENT HARM OR INJURY. THIS ISSUE WAS REPORTED TO THE FDA PER 21 CFR 806. THE DEVICE WILL BE CORRECTED PER RES 88058

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 12824555 ↗
• MalfunctionNov 16, 2021Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THERE WAS NO REPORT OF PATIENT HARM OR INJURY. THIS ISSUE WAS REPORTED TO THE FDA PER 21 CFR 806. THE DEVICE WILL BE CORRECTED PER RES (B)(4).

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 12824467 ↗
• MalfunctionNov 3, 2021Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CONTINUOUS POSITIVE AIRWAY PRESSURE (CPAP) DEVICE'S SOUND ABATEMENT FOAM. THERE WAS NO PATIENT HARM OR INJURY. THIS ISSUE WAS REPORTED TO THE FDA PER 21 CFR 806. THE DEVICE WILL BE CORRECTED PER RES 88058.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 12745230 ↗
• InjuryOct 28, 2021Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CONTINUOUS POSITIVE AIRWAY PRESSURE (CPAP) DEVICE'S SOUND ABATEMENT FOAM BECAME DEGRADED AND CAUSED THE PATIENT TO DEVELOP TUMOR ON THE LUNG. THE MEDICAL INTERVENTION THAT THE PATIENT RECEIVED IN RESPONSE TO THE EVENT IS CURRENTLY UNKNOWN. THIS ISSUE WAS REPORTED TO THE FDA PER 21 CFR 806. THE DEVICE WILL BE CORRECTED PER RES 88058.

  Patient problems: Solid Tumor

  MAUDE report 12711289 ↗