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	Pain (1994)
Date of Event	11/26/2024
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 an incident where user reported an unsuccessful removal attempt of the sensor on (b)(6) 2024.The sensor's site is the upper left arm.It was confirmed that an incision was made to attempt to remove the sensor.At the time of the call, the user was having pain and itchiness on the insertion site.Sensor was palpable before the incision, with the help of the magnet.Transmitter and ultrasound wasn't used to localize the sensor.Upon review of dms, the user has not been using the system since (b)(6) 2025.
Additional Manufacturer Narrative
Despite multiple follow up attempts with the user the removal status of the sensor could not be confirmed.

• 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: 22696268
• Report Number: 3009862700-2025-01095
• Device Sequence Number: 8306745
• 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): 01/06/2026

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: 08/11/2024
• Device Model Number: 102096-81A
• Device Catalogue Number: FG-7200-00-301
• Device Lot Number: WP09733
• 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: 07/04/2025
• Supplement Date Received by Manufacturer: 01/06/2026
• Initial Report FDA Received Date: 08/03/2025
• Supplement Report FDA Received Date: 01/06/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 11/08/2023
• 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 Age: 53 YR
• Patient Sex: Male