MAUDE Adverse Event Report: TANDEM DIABETES CARE T:SLIM X2 INSULIN PUMP WITH CONTROL-IQ TECHNOLOGY; ALTERNATE CONTROLLER ENABLED INSULIN INFUSION PUMP

Model Number	1000096
Medical Device Problem Code	Key or Button Unresponsive/not Working (4063)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/23/2025
Type of Reportable Event	Malfunction
Event or Problem Description
A malfunction was reported by the customer, where the pump screen was frozen and unresponsive to input.There was no adverse impact to the customer's blood glucose level.The customer performed a pump reset with guidance from technical support, and the issue was resolved, allowing the pump screen to function normally again.

• Brand Name: T:SLIM X2 INSULIN PUMP WITH CONTROL-IQ TECHNOLOGY
• Common Device Name: ALTERNATE CONTROLLER ENABLED INSULIN INFUSION PUMP
• Manufacturer (Section D): TANDEM DIABETES CARE; 12400 high bluff drive; san diego CA 92130
• Manufacturer Contact: michael trier ; 12400 high bluff drive; san diego, CA 92130 ; 858 401-1451
• MDR Report Key: 22521382
• Report Number: 3013756811-2025-170001
• Device Sequence Number: 9231980
• Product Code: QFG
• UDI-Device Identifier: 00853052007288
• UDI-Public: 00853052007288
• Combination Product (Y/N): N
• Initial Reporter State: OR
• Initial Reporter Country: US
• PMA/510(K) Number: K203234
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 07/16/2025

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: Lay User/Patient
• Device Model Number: 1000096
• Device Catalogue Number: 1000892
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/23/2025
• Initial Report FDA Received Date: 07/16/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 03/11/2020
• 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 Age: 63 YR
• Patient Sex: Female