inforMED
MalfunctionQJZ

NOVALUNG CONSOLE (LINUX BOARD)

Received Feb 16, 2026 · Event occurred Jan 30, 2026

Report 3012172416-2026-00011 · MDR key 24343285

Device

Generic name

Extracorporeal System For Long-term Respiratory / Cardiopulmonary Failure

Manufacturer

Xenios Ag

Catalog number

F30000162

Product problems

  • Display or Visual Feedback Problem
  • Output Problem
  • Insufficient Device Problem Information
  • No Visual Prompts/Feedback

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

PLANT INVESTIGATION: NO PARTS WERE RETURNED FOR EVALUATION. THE SERIAL NUMBER OF THE CONSOLE AND SERIAL NUMBER OF THE FLOW SENSOR WERE UNKNOWN AS A REVIEW OF PREVIOUS COMPLAINTS AND/OR DEVICE REPAIR WAS NOT PERFORMED. THREE SIMILAR COMPLAINTS HAVE BEEN RECEIVED IN 24 MONTHS. THE AIR BUBBLE ALARMS WERE PROBABLY CAUSED BY A DEFECT IN THE FLOW MEASUREMENT SENSOR. THE PROBLEM WAS RESOLVED BY REPLACING THE SENSOR. A DEFINITE ROOT CAUSE COULD NOT BE DETERMINED.

Description of Event or Problem

A USER FACILITY REPORTED THAT THE NOVALUNG FLOW SENSING PROBE'S BUBBLE DETECTION FUNCTION IS TOO SENSITIVE AND CAUSING FALSE POSITIVE DEVICE ALARMS DURING EXTRACORPOREAL MEMBRANE OXYGENATION (ECMO) SUPPORT. THE USER STATED THAT NOVALUNG FLOW PROBE BUBBLE DETECTION FUNCTION CAUSED ALARM UPON INITIATION OF ECMO WITH NO EVIDENCE OF BUBBLES IN THE CIRCUIT. THE CLINICIAN TURNED BUBBLE DETECTION OFF TO CIRCUMVENT THE ALARM. BUBBLE DETECTION FUNCTION WAS TURNED BACK ON LATER DURING ECMO SUPPORT; HOWEVER, IT CONTINUED TO ALARM DURING THE NIGHT AND WAS AGAIN TURNED OFF. THE CLINICIAN REPLACED THE SUSPECT FLOW PROBE WITH A BACKUP FLOW PROBE WHICH RESOLVED THE ALARM ISSUE. THERE WAS NO PATIENT SERIOUS INJURY. THE COMPLAINT SAMPLE WAS NOT AVAILABLE FOR PRODUCT INVESTIGATION AS THE FACILITY WANTED TO RETAIN THE PRODUCT AS A BACKUP FLOW SENSOR.

Additional Manufacturer Narrative

THE PLANT INVESTIGATION IS IN PROCESS. A SUPPLEMENTAL MDR WILL BE SUBMITTED UPON COMPLETION OF THIS ACTIVITY.

Description of Event or Problem

A USER FACILITY REPORTED THAT THE NOVALUNG FLOW SENSING PROBE'S BUBBLE DETECTION FUNCTION IS TOO SENSITIVE AND CAUSING FALSE POSITIVE DEVICE ALARMS DURING EXTRACORPOREAL MEMBRANE OXYGENATION (ECMO) SUPPORT. THE USER STATED THAT NOVALUNG FLOW PROBE BUBBLE DETECTION FUNCTION CAUSED ALARM UPON INITIATION OF ECMO WITH NO EVIDENCE OF BUBBLES IN THE CIRCUIT. THE CLINICIAN TURNED BUBBLE DETECTION OFF TO CIRCUMVENT THE ALARM. BUBBLE DETECTION FUNCTION WAS TURNED BACK ON LATER DURING ECMO SUPPORT; HOWEVER, IT CONTINUED TO ALARM DURING THE NIGHT AND WAS AGAIN TURNED OFF. THE CLINICIAN REPLACED THE SUSPECT FLOW PROBE WITH A BACKUP FLOW PROBE WHICH RESOLVED THE ALARM ISSUE. THERE WAS NO PATIENT SERIOUS INJURY. THE COMPLAINT SAMPLE WAS NOT AVAILABLE FOR PRODUCT INVESTIGATION AS THE FACILITY WANTED TO RETAIN THE PRODUCT AS A BACKUP FLOW SENSOR.