MAUDE Adverse Event Report: TANDEM DIABETES CARE T:SLIM X2 INSULIN PUMP WITH INTEROPERABLE TECHNOLOGY (WITH T:CONNECT MOBILE A; ALTERNATE CONTROLLER ENABLED INFUSION PUMP

Model Number	1002717
Medical Device Problem Codes	Incorrect Measurement (1383); Pumping Stopped (1503)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/01/2024
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
No product was returned for evaluation.Should new relevant information become available, a supplemental report will be submitted.
Event or Problem Description
T was reported that the battery gauge was fluctuating resulting in the pump shutting down.There was no reported adverse impact to customer's blood glucose level.The customer continued to use the pump for insulin therapy.

• Brand Name: T:SLIM X2 INSULIN PUMP WITH INTEROPERABLE TECHNOLOGY (WITH T:CONNECT MOBILE A
• Common Device Name: ALTERNATE CONTROLLER ENABLED INFUSION PUMP
• Manufacturer (Section D): TANDEM DIABETES CARE; 12400 high bluff drive; san diego CA 92130
• Manufacturer Contact: michael trier ; san diego, CA 92130 ; 8584011451
• MDR Report Key: 21334469
• Report Number: 3013756811-2025-26137
• Device Sequence Number: 3758467
• Product Code: QFG
• UDI-Device Identifier: 00389152000022
• UDI-Public: 00389152000022
• Combination Product (Y/N): N
• Initial Reporter State: VA
• 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): Y
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 04/11/2025

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
• Device Model Number: 1002717
• Device Catalogue Number: 1009639
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 01/28/2025
• Supplement Date Received by Manufacturer: 04/11/2025
• Initial Report FDA Received Date: 02/07/2025
• Supplement Report FDA Received Date: 04/11/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/01/2023
• 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: 53 YR
• Patient Sex: Female
• Patient Ethnicity: Non Hispanic