Dorma 500 (REF CNV507HN1)Recalls & reported problems

Summary

The FDA's MAUDE database contains 10 adverse event reports that list this exact device (DI 00606959040410), received between Mar 15, 2022 and Sep 18, 2024 — classified as 1 death, 2 injuries, 7 malfunctions.

The most frequently reported specific device problem is “Degraded” (10 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. How this data works · Data updated Oct 13, 2026.

Most reported problems

Recent adverse event reports

The 10 most recent of 10 reports, in the reporter's own words as published by the FDA.

• MalfunctionSep 18, 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 VISUALIZATION OF PARTICLES IN THE AIR PATH.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 20249590 ↗
• MalfunctionJun 8, 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 VISUALIZATION OF PARTICLES IN THE AIR PATH. 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 19493723 ↗
• MalfunctionFeb 20, 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 VISUALIZATION OF PARTICLES IN THE AIR PATH. 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 18744227 ↗
• InjuryJan 12, 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 PATIENT HAS ALLEGED PULMONARY NODULES. THERE WAS NO MEDICAL INTERVENTION REQUIRED BY THE PATIENT. THE PATIENT STATES THEY HAVE BEEN USING THE DEVICE FOR THREE MONTHS AND HE WAS DIAGNOSED WITH A LUNG NODULE. THEY REQUEST A REFUND FOR THE RETURN. THE MANUFACTURE'S INVESTIGATION IS ONGOING. A FOLLOW UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURE'S INVESTIGATION IS COMPLETE.

  Patient problems: Nodule

  MAUDE report 18503283 ↗
• MalfunctionDec 29, 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 PATIENT ALLEGES VISUALIZATION OF PARTICLES IN 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 18416986 ↗
• MalfunctionDec 20, 2023Degraded; Degraded

  THE MANUFACTURER WAS CONTACTED ABOUT 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 THE PATIENT WOULD RECEIVE CANCER DUE TO THE DEVICE BEING DEFECTIVE AND PE-PUR FOAM DEGRADATION PARTICLES WERE ALLEGEDLY TRANSPORTED TO THE LUNG. MEDICAL INTERVENTION WAS NOT SPECIFIED. THE PATIENT STATES THEY HAVE BEEN USING THE DEVICE FOR 2 YEARS AND WAS NOTIFIED OF THE RECALL UNTIL (B)(6) 2023. THEY REQUEST A NEW DEVICE, REFUND, AND COMPENSATION. 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 18361668 ↗
• InjuryDec 6, 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 OF A PHYSICAL EXAMINATION IN THE FIRST HALF OF LAST YEAR WHERE ONE TUMOR INDEX ROSE. MEDICAL INTERVENTION WAS NOT SPECIFIED. THE MANUFACTURER WAS MADE AWARE OF THIS COMPLAINT THROUGH A REPRESENTATIVE OF THE CUSTOMER. THE MANUFACTURER BELIEVES THEY WILL BE UNABLE TO GATHER ADDITIONAL INFORMATION. THE MANUFACTURER IS SUBMITTING A FINAL REPORT AT THIS TIME. IF PERTINENT INFORMATION BECOMES AVAILABLE TO THE MANUFACTURER AT A LATER DATE, AN ADDENDUM TO THIS FINAL REPORT WILL BE FILED.

  Patient problems: Cancer

  MAUDE report 18279364 ↗
• DeathNov 30, 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 PATIENT STARTED FELT UNCOMFORTABLE AFTER USING THE VENTILATOR DEVICE. PATIENT WAS HOSPITALIZED DUE TO COLD AND SNORING. ADDITIONALLY, THE PATIENT WAS PASSED AWAY DUE TO SEVERE OSA, RESPIRATORY FAILURE, LARYNGEAL OBSTRUCTION THE DEVICE HAS NOT YET BEEN RETURNED TO THE MANUFACTURER FOR EVALUATION. AT THIS TIME, NO FURTHER INVESTIGATION CAN BE PERFORMED. IF ANY ADDITIONAL INFORMATION IS RECEIVED, A FOLLOW UP REPORT WILL BE FILED.

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

  MAUDE report 18241627 ↗
• MalfunctionSep 29, 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 VISUALIZATION OF PARTICLES IN THE AIR PATH. THERE WAS NO REPORT OF PATIENT 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 17848160 ↗
• MalfunctionMar 15, 2022Degraded; Degraded

  THE MANUFACTURER RECEIVED INFORMATION ALLEGING AN ISSUE RELATED TO A CPAP DEVICE'S SOUND ABATEMENT FOAM. THERE WAS NO ALLEGATION OF 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 13771963 ↗