MAUDE Adverse Event Report: Spectrum Medical Ltd Quantum Flow Sensor; Monitor, Blood-Gas, On-Line, Cardiopulmonary Bypass

Model Number	QFS2-ST-075
Medical Device Problem Code	Device Sensing Problem (2917)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/26/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Pending investigation.
Event or Problem Description
User reported that the sensor triggered a bubble alarm without air present.There was no patient harm; however, spectrum medical considers this type of event to be reportable.

• Brand Name: Quantum Flow Sensor
• 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: 25635079
• Report Number: 3006073153-2026-00159
• Device Sequence Number: 21222958
• Product Code: DRY
• UDI-Device Identifier: 05060434421982
• UDI-Public: 05060434421982
• Combination Product (Y/N): N
• Initial Reporter State: MO
• Initial Reporter Country: US
• PMA/510(K) Number: K173591
• 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): 07/24/2026

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: QFS2-ST-075
• Device Catalogue Number: 51-000076-00
• Device Lot Number: FS2001083
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 06/15/2026
• 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: 05/26/2026
• Supplement Date Received by Manufacturer: 05/26/2026
• Initial Report FDA Received Date: 06/26/2026
• Supplement Report FDA Received Date: 07/27/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 08/09/2024
• 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