MAUDE Adverse Event Report: SPECTRUM MEDICAL LTD QUANTUM WORKSTATION; MONITOR, BLOOD-GAS, ON-LINE, CARDIOPULMONARY BYPASS

Model Number	QWS15S
Medical Device Problem Code	Backflow (1064)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/13/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Investigation is pending return of device.
Event or Problem Description
User reported inaccurate delivery of volume.There was no patient harm; however, unreliable volume delivery is considered a reportable event.
Additional Manufacturer Narrative
The investigation confirmed that the device operated as intended.After volume translocation is completed, pump matches venous flow.When the venous flow cannot be read, the pump speed is set to the minimum flow.The latest software implements weaning mode improvements intended to address this.The customer site shall be updated to the latest software.
Event or Problem Description
User reported inaccurate delivery of volume.There was no patient harm; however, unreliable volume delivery is considered a reportable event.

• Brand Name: QUANTUM WORKSTATION
• Common Device Name: MONITOR, BLOOD-GAS, ON-LINE, CARDIOPULMONARY BYPASS
• Manufacturer (Section D): SPECTRUM MEDICAL LTD; ashville business park; commerce road; gloucester, gloucestershire GL2 9 SL; UK GL2 9SL
• Manufacturer (Section G): SPECTRUM MEDICAL LTD; ashville business park; commerce road; gloucester, gloucestershire GL2 9 SL; UK GL2 9SL
• Manufacturer Contact: cameron schmitt ; 481 munn road; suite 180; fort mill, SC 29715
• MDR Report Key: 24728019
• Report Number: 3006073153-2026-00103
• Device Sequence Number: 10248931
• Product Code: DRY
• UDI-Device Identifier: 05060434422293
• UDI-Public: 05060434422293
• Combination Product (Y/N): N
• Initial Reporter State: MO
• Initial Reporter Country: US
• PMA/510(K) Number: K163657
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 04/27/2026

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: QWS15S
• Device Catalogue Number: 51-000093-00
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/13/2026
• Supplement Date Received by Manufacturer: 03/13/2026
• Initial Report FDA Received Date: 03/30/2026
• Supplement Report FDA Received Date: 04/27/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/03/2025
• 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