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

Model Number	102620-67A
Medical Device Problem Code	Failure to Sense (1559)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/24/2020
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The manufacturer is currently performing an investigation and will provide the results with the supplemental report.
Event or Problem Description
On (b)(6) 2020, senseonics was made aware of an incident where user received an early sensor replacement alert resulting in an early sensor removal.
Additional Manufacturer Narrative
The sensor was investigated, and customer complaint was confirmed during review of dms logs.The problem however could not be duplicated during in-house investigation.The potential root cause is sensor delamination.The investigation shows that the system disabled the sensor due to a detected performance failure and the system's self-test functions are working normally.

• Brand Name: EVERSENSE SENSOR
• Common Device Name: EVERSENSE CONTINUOUS GLUCOSE MONITOR SYSTEM
• Manufacturer (Section D): SENSEONICS INC.; 20451 seneca meadows parkway; germantown MD 20875 7005
• MDR Report Key: 10567805
• Report Number: 3009862700-2020-00496
• Device Sequence Number: 11439222
• Product Code: QCD
• UDI-Device Identifier: 00817491022356
• UDI-Public: 00817491022356
• 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: 2020
• 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): 08/24/2020

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
• Operator of Device: Lay User/Patient
• Device Expiration Date: 11/21/2020
• Device Model Number: 102620-67A
• Device Catalogue Number: FG-4201-00-301
• Device Lot Number: WP07591
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 10/23/2020
• Initial Date Received by Manufacturer: 08/24/2020
• Supplement Date Received by Manufacturer: 08/24/2020
• Initial Report FDA Received Date: 09/22/2020
• Supplement Report FDA Received Date: 12/08/2020
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 54 YR