MAUDE Adverse Event Report: TERUMO CARDIOVASCULAR SYSTEMS CORPORATION ADVANCED PERFUSION SYSTEM 1; CONSOLE, HEART-LUNG MACHINE, CARDIOPULMONARY BYPASS-ADVANCED PERFUSION SYSTEM 1

Model Number	5773
Medical Device Problem Code	False Alarm (1013)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/13/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The field service representative (fsr) reported that during preventative maintenance (pm) of the device, the ultrasonic air sensor (uas) was constantly alarming and would not reset.There was no patient involvement.
Additional Manufacturer Narrative
The fsr replaced the uas.The unit operated to the manufacturer's specifications.
Additional Manufacturer Narrative
Updated block: h3 and h6.The reported complaint was confirmed.During laboratory analysis, the product surveillance technician (pst) could not duplicate the reported complaint.The pst connected the air bubble detector (abd) to lab use only (luo) testing equipment.After the circuit was set up the abd was activated from the central control monitor (ccm), miscellaneous sized bubbles were sent through the circuit and each time the abd alarmed appropriately.It was determined that the abd functioned as intended.If additional information becomes available on this complaint that would alter the facts and/or conclusion, a supplemental report will be filed accordingly.

• Brand Name: ADVANCED PERFUSION SYSTEM 1
• Common Device Name: CONSOLE, HEART-LUNG MACHINE, CARDIOPULMONARY BYPASS-ADVANCED PERFUSION SYSTEM 1
• Manufacturer (Section D): TERUMO CARDIOVASCULAR SYSTEMS CORPORATION; 6200 jackson road; ann arbor MI 48103
• Manufacturer (Section G): SAME
• Manufacturer Contact: douglas patton ; 6200 jackson road; ann arbor, MI 48103 ; 7346634145
• MDR Report Key: 23496980
• Report Number: 1828100-2025-00280
• Device Sequence Number: 8973607
• Product Code: DTQ
• Combination Product (Y/N): N
• Initial Reporter State: IN
• Initial Reporter Country: US
• PMA/510(K) Number: K221895
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 04/16/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Other
• Device Model Number: 5773
• Device Catalogue Number: 5773
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 10/23/2025
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/14/2025
• Supplement Date Received by Manufacturer: 04/10/2026
• Initial Report FDA Received Date: 11/07/2025
• Supplement Report FDA Received Date: 04/16/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/12/2025
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown