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	Device Alarm System (1012)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/10/2025
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that prior to use of the device for a cardiopulmonary bypass (cpb) procedure, the ultrasonic air sensor (uas) was continuously giving an air alarm even when there was no air in the line.As a result, an alternate device was employed.The surgical procedure was completed successfully.There was no delay, no blood loss, nor adverse consequences to the patient.
Additional Manufacturer Narrative
Updated block: h6.The reported complaint was not verifiable since the product was not returned for evaluation or testing.Multiple diligence attempts for part return were unsuccessful.If additional information becomes available on this complaint that would alter the facts and/or conclusion, a supplemental report will be filed accordingly.
Additional Manufacturer Narrative
Corrected block: d9.Updated blocks: h3 and h6.During laboratory evaluation, the product surveillance technician (pst) evaluated the air bubble detector (abd) using lab use only (luo) testing equipment.Miscellaneous sized bubbles were sent through the circuit and each time the abd alarmed appropriately.The reported issue was unable to be duplicated.The unit operated to manufacturer's specifications.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: 22399282
• Report Number: 1828100-2025-00155
• Device Sequence Number: 4889303
• Product Code: DTQ
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K172220
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 03/27/2026

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: Health Professional
• Device Model Number: 5773
• Device Catalogue Number: 5773
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/13/2025
• Supplement Date Received by Manufacturer: 08/21/2025; 03/24/2026
• Initial Report FDA Received Date: 07/03/2025
• Supplement Report FDA Received Date: 09/11/2025; 03/30/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/19/2025
• 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