MAUDE Adverse Event Report: SENSEONICS INC. EVERSENSE SENSOR; EVERSENSE CONTINUOUS GLUCOSE MONITOR SYSTEM

Model Number 102620-81A

Device Problem Failure to Sense (1559)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 11/06/2023

Event Type  malfunction  

Manufacturer Narrative

The manufacturer is currently performing an investigation and will provide the results with the supplemental report.

Event Description

On november 6, 2023, senseonics was made aware of an incident where user received an early sensor replacement alert resulting in an early sensor removal.

Manufacturer Narrative

The sensor replacement alert was presented to the user on september 18, 2023, on day 125 after insertion.The returned sensor was tested in-house, and it revealed a loss of chemical performance which caused a decline in the signal modulation throughout the insertion period.The system correctly disabled the sensor due to performance deviation, and the system's self-test functions were working normally.The root cause of the failure was due to the sensor's hydrogel oxidation.As part of resolution, the rma was authorized for sensor replacement.B4.Date of this report 22 february 2024.D9.Device available for evaluation? yes, 5 december 2023.G3.Date received by manufacturer 29 january 2024.H6.Type of investigation updated to 10.H6.Investigation findings updated to 114.H6.Investigation conclusions updated to 4307.

• Brand Name: EVERSENSE SENSOR
• Type of Device: EVERSENSE CONTINUOUS GLUCOSE MONITOR SYSTEM
• 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: 18269918
• MDR Text Key: 330231495
• Report Number: 3009862700-2023-00817
• Device Sequence Number: 1
• Product Code: QHJ
• Combination Product (y/n): Y
• Reporter Country Code: US
• PMA/PMN Number: P160048
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Consumer
• Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date: 02/22/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 12/05/2023
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Lay User/Patient
• Device Expiration Date: 08/25/2023
• Device Model Number: 102620-81A
• Device Catalogue Number: FG-7201-00-301
• Device Lot Number: WP09029
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: No
• Date Manufacturer Received: 01/29/2024
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 10/04/2022
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Age: 63 YR
• Patient Sex: Male