MAUDE Adverse Event Report: SENSEONICS INC. EVERSENSE SENSOR; IMPLANTABLE GLUCOSE MONITORING SYSTEM, SENSOR

Model Number	102096-81A
Medical Device Problem Code	Difficult to Remove (1528)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/18/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The manufacturer is currently performing an investigation and will provide the results with the supplemental report.
Event or Problem Description
Senseonics was made aware of a inicent where territory manager reported an unsuccessful removal attempt of sensor on 18-nov-2025.The sensor was located in the left arm, and an incision was made in an attempt to remove the sensor.At the time of the call, the user reported doing well.Prior to the incision, the sensor was palpable.The transmitter and magnet were used to localize the sensor; ultrasound was not used during the removal attempt.Per review of the data management system (dms), the user has not been using the system since (b)(6) 2025 at 11:35 am.
Additional Manufacturer Narrative
An update was received that the sensor was successfully removed on (b)(6) 2026.The difficulty with removal is a known and anticipated potential adverse effect, as described in the user guide, and does not require additional investigation.The user was doing fine after the removal.

• Brand Name: EVERSENSE SENSOR
• Common Device Name: IMPLANTABLE GLUCOSE MONITORING SYSTEM, SENSOR
• Manufacturer (Section D): SENSEONICS INC.; 20451 seneca meadows parkway; germantown MD 20876 7005
• Manufacturer (Section G): SENSEONICS INC.; 20451 seneca meadows parkway; germantown MD 20876 7005
• Manufacturer Contact: vallikannu somasundaram ; 20451 seneca meadows parkway; germantown, MD 20876-7005
• MDR Report Key: 23844724
• Report Number: 3009862700-2025-01995
• Device Sequence Number: 9816889
• Product Code: QHJ
• UDI-Device Identifier: 00817491022950
• UDI-Public: 00817491022950
• Combination Product (Y/N): Y
• Initial Reporter Country: US
• PMA/510(K) Number: P160048
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 04/09/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Lay User/Patient
• Device Expiration Date: 11/23/2024
• Device Model Number: 102096-81A
• Device Catalogue Number: FG-7200-00-301
• Device Lot Number: 01E081S
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/18/2025
• Supplement Date Received by Manufacturer: 04/09/2026
• Initial Report FDA Received Date: 12/18/2025
• Supplement Report FDA Received Date: 04/09/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 01/10/2024
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown