Pall Conserve™ Small Volume HME BB25ARecalls & reported problems
Global Life Sciences Solutions USA LLC · Conserve Small Volume HME with Monitoring Port. For use with mechanically ventilated patients to retain heat and humidity while removing bacterial/viral contaminants with an efficiency of 99.999%. · Class 2
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 2
- Deaths reported
- 0
- Injuries reported
- 2
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 2 adverse event reports that list this exact device (DI 00636207000231), received between Nov 30, 2017 and Jul 13, 2018 — classified as 2 injuries.
The most frequently reported specific device problem is “Inaccurate Delivery” (2 reports).
1 other recall cover devices cleared under the same FDA submission (K791307); they may or may not involve this specific model.
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
Device problems
- Inaccurate Delivery2
Patient problems
- Decreased Respiratory Rate2
Recent adverse event reports
The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.
InjuryJul 13, 2018Inaccurate Delivery; Inaccurate Delivery
IT WAS REPORTED THAT A PALL ULTIPOR 25 BREATHING SYSTEM FILTER WAS IN USE AND AFTER 20 MINUTES IN THEATRE UNDER STANDARD LOW FLOW CONDITIONS, IT WAS NOTICED THAT THE REQUIRED FLOW RATE COULD NOT BE DELIVERED TO THE PATIENT. AFTER SWITCHING FROM LARYNGEAL MASK AIRWAY TO ENDOTRACHEAL INTUBATION, RE-ADJUSTMENT OF VENTILATOR SETTINGS, THE PATIENT REANIMATION WAS STARTED, WHICH WAS POSSIBLE AFTER THE FILTER WAS REMOVED. THE HOSPITAL HAS REPORTED TO PALL THAT THE PATIENT IS IN ICU, AT THIS STAGE THE PROGNOSIS IS UNKNOWN. THE PATIENT IS UNDER MECHANICAL VENTILATION AND NOT RESPONSIVE. THE LOT NUMBER OF THE ONE IMPLICATED FILTER IS NOT KNOWN, BUT THE HOSPITAL BELIEVES THAT THE FILTER COULD BE FROM ONE OF THE LAST THREE DELIVERIES THAT THEY RECEIVED. THOSE DELIVERIES WERE FILTERS FROM LOT NUMBERS 731202 (DATE OF MANUFACTURE 07 NOVEMBER 2017), 805202 (DATE OF MANUFACTURE 21 FEBRUARY 2018) AND 810402 (DATE OF MANUFACTURE 16 APRIL 2018). THE HOSPITAL DID ALSO INFORM PALL THAT THE TUBING USED IN THE BREATHING CIRCUIT IS REPROCESSED (WASHING, DISINFECTION, AIR-DRYING). THE HOSPITAL HAVE RETAINED THE FILTER. THEY ARE WAITING FOR AGREEMENT FROM BFARM BEFORE RETURNING THE FILTER TO PALL FOR INVESTI
Patient problems: Decreased Respiratory Rate
MAUDE report 7686638 ↗InjuryNov 30, 2017Inaccurate Delivery; Inaccurate Delivery
IT WAS REPORTED THAT A PATIENT WAS UNDER ANESTHESIA WITH A PALL ULTIPOR 25 BREATHING SYSTEM FILTER AND THE USER MONITORED A LEAK ON THE PATIENT BREATHING CIRCUIT. THE CUSTOMER CHECKED THE BREATHING CIRCUIT AND OBSERVED A CRACK IN THE FILTER, SO THEY HAD TO CHANGE IT. NO ADVERSE EFFECTS ON THE PATIENTS WERE REPORTED. THE USER STATED, IN THEIR OPINION, THE LEAK PUT THE PATIENT AT RISK DUE TO INADEQUATE VENTILATION AND ANTI-BACTERIAL FUNCTION OF THE FILTER MIGHT HAVE BEEN AFFECTED. IMPLICATED REORDER CODE (B)(4) IS NOT REGISTERED AND SOLD IN THE US. ALL FDA INFORMATION BELOW IS RELATED TO "LIKE" PRODUCTS, UNDER 510K K791307, WHICH ARE REGISTERED FOR SALE IN THE US.
Patient problems: Decreased Respiratory Rate
MAUDE report 7072994 ↗
Recalls under the same FDA submission
These recalls involve devices cleared under K791307. One submission often covers many models, so check the product and lot details in each record.
- Z-2038-2014 · Jun 4, 2014 · TerminatedPALL Medical Breathing Circuit Filter, REF BB50T and BB50T-BULK , Rx ONLY Single use, bi-directional bacterial/viral removal filter. The filters are individually packaged in a c
Other Filter, bacterial, breathing-circuit devices
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- VOCSN V+Pro Emergency, EnglishVentec Life Systems, Inc. · Filter, Bacterial, Breathing-Circuit558 reports
- VOCSN V+O+C+S+N+Pro, EnglishVentec Life Systems, Inc. · Filter, Bacterial, Breathing-Circuit3 recalls366 reports
- VOCSN V+Pro, EnglishVentec Life Systems, Inc. · Filter, Bacterial, Breathing-Circuit2 recalls2 deaths325 reports
- VOCSN V+C+S+N+Pro, EnglishVentec Life Systems, Inc. · Filter, Bacterial, Breathing-Circuit185 reports
- GIBECK IPN043751Teleflex Incorporated · Filter, bacterial, breathing-circuit2 recalls7 reports
- VOCSN VOCSN, EnglishVentec Life Systems, Inc. · Filter, Bacterial, Breathing-Circuit1 death96 reports
- VOCSN V+C+Pro, JapaneseVentec Life Systems, Inc. · Filter, Bacterial, Breathing-Circuit1 recall33 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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