MAUDE Adverse Event Report: TANDEM DIABETES CARE T:SLIM X2 INSULIN PUMP; PUMP, INFUSION, INSULIN, TO BE USED WITH INVASIVE GLUCOSE SENSOR

Model Number	1000354
Medical Device Problem Code	Inappropriate or Unexpected Reset (2959)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/20/2025
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
It was reported that the pump reset unexpectedly.Customer resumed insulin delivery successfully.There was no adverse impact to the customer¿s blood glucose level.

• Brand Name: T:SLIM X2 INSULIN PUMP
• Common Device Name: PUMP, INFUSION, INSULIN, TO BE USED WITH INVASIVE GLUCOSE SENSOR
• 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: 21687858
• Report Number: 3013756811-2025-58960
• Device Sequence Number: 15761704
• Product Code: OYC
• UDI-Device Identifier: 00853052007981
• UDI-Public: 00853052007981
• Combination Product (Y/N): N
• Initial Reporter State: KS
• Initial Reporter Country: US
• PMA/510(K) Number: P140015
• 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
• Report Date (Section B): 03/25/2025

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: 1000354
• Device Catalogue Number: 1003808
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/20/2025
• Initial Report FDA Received Date: 03/25/2025
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 08/01/2021
• 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: 87 YR
• Patient Sex: Male
• Patient Ethnicity: Non Hispanic