inforMED
MalfunctionQJZ

XLUNG KIT 230

Received May 22, 2025 · Event occurred Apr 19, 2025

Report 3012172416-2025-00049 · MDR key 22071158

Device

Generic name

Extracorporeal System For Long-term Respiratory / Cardiopulmonary Failure

Manufacturer

Xenios Ag

Catalog number

32000014

Lot number

FSXK2802

Product problems

  • Incorrect, Inadequate or Imprecise Result or Readings
  • Output Problem
  • Insufficient Device Problem Information
  • Incorrect, Inadequate or Imprecise Result or Readings
  • Output Problem
  • Insufficient Device Problem Information

Patient

NA · Unknown

  • No Consequences Or Impact To Patient
  • No Clinical Signs, Symptoms or Conditions
  • No Consequences Or Impact To Patient
  • No Clinical Signs, Symptoms or Conditions

Narrative

Description of Event or Problem

A USER FACILITY REPORTED THAT, ON (B)(6) 2025, AT APPROXIMATELY 4:00 AM (LOCAL), A PERFUSIONIST PRIMED AN XLUNG CIRCUIT. UPON PRIMING THEY NOTICED THE IMPELLER IN THE CONE WAS WOBBLY. THEY INCREASED THE RPMS AND THE IMPELLER SPUN FASTER BUT REMAINED WOBBLY. THE CIRCUIT WAS TESTED WITH TWO DIFFERENT PUMPS TO MAKE SURE THAT THE PROBLEM IS THE ACTUAL PUMP HEAD AND NOT THE MACHINE OR PUMP DRIVE. THE IMPELLER REMAINED WOBBLY WITH BOTH PUMPS AND ANOTHER MACHINE. THE PATIENT CIRCUIT WAS EXCHANGED. THERE WAS NO PATIENT INVOLVEMENT. THE COMPLAINT SAMPLE WAS RETURNED TO XENIOS FOR PRODUCT INVESTIGATION.

Additional Manufacturer Narrative

ADDITIONAL INFORMATION: B5, D3, D4, D9, G1. PLANT INVESTIGATION: NON-CONFORMITY WAS NOT OBSERVED DURING MANUFACTURING PROCESS. NO OTHER SIMILAR COMPLAINTS HAVE BEEN REPORTED REGARDING THIS BATCH NUMBER. THE COMPLAINT SAMPLE WAS RECEIVED FOR INVESTIGATION ON MAY 30, 2025. THERE WAS NO VISIBLE DAMAGE TO THE PUMP HEAD. FUNCTIONAL TESTING REVEALED A SLIGHTLY UNEVEN RUN AT LOW SPEED UNTIL AROUND 4000 RPM. A LOUDER RUNNING NOISE WAS NOTICEABLE FROM AROUND 8200 RPM AND INCREASED TO 10,000 RPM. VISUAL INSPECTION SHOWED THAT THE MAGNET HAD A SLIGHT CURVATURE OUT OF THE ROTOR, AND AN UNEVENNESS WAS VISIBLE AT THE OUTER EDGE OF THE ROTOR. THE ISSUE IS ATTRIBUTED TO AN ERROR DURING THE ASSEMBLY PROCESS AND IS MOST LIKELY DUE TO A FAILURE OF THE ASSEMBLY PERSONNEL.

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 ON 19/APR/2025 AT APPROXIMATELY 4:00 AM (LOCAL), A PERFUSIONIST PRIMED AN XLUNG CIRCUIT. UPON PRIMING THEY NOTICED THE IMPELLER IN THE CONE WAS WOBBLY. THEY INCREASED THE RPMS AND THE IMPELLER SPUN FASTER BUT REMAINED WOBBLY. THE CIRCUIT WAS TESTED WITH TWO DIFFERENT PUMPS TO MAKE SURE THAT THE PROBLEM IS THE ACTUAL PUMP HEAD AND NOT THE MACHINE OR PUMP DRIVE. THE IMPELLER REMAINED WOBBLY WITH BOTH PUMPS AND ANOTHER MACHINE. THE PATIENT CIRCUIT WAS EXCHANGED. THERE WAS NO PATIENT INVOLVEMENT. THE COMPLAINT SAMPLE WAS AVAILABLE FOR PRODUCT EVALUATION.