MAUDE Adverse Event Report: MEDTRONIC MINIMED SENSOR MMT-7020B ENLITE3 US; ARTIFICIAL PANCREAS DEVICE SYSTEM, SINGLE HORMONAL CONTROL

Model Number	MMT-7020B
Health Effect - Clinical Code	Hyperglycemia (1905)
Date of Event	04/07/2018
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Currently it is unknown whether or not the device may have caused or contributed to the event as no product has been returned.The device will be returned for analysis and further information will follow once the analysis has been completed.No conclusion can be drawn at this time.
Event or Problem Description
The customer reported via phone call the sensor had inaccurate readings that triggered threshold suspend alarm.The customer¿s blood glucose was 179 mg/dl and the sensor glucose was 48 mg/dl at the time of the incident.The customer was informed that their blood glucose and sensor glucose levels were not in acceptable range.Customer completed troubleshooting but declined to review sensor best practices (site selection, taping, calibration protocol).The sensor will be returned for analysis.
Additional Manufacturer Narrative
Inspected one opened and used sensor and performed continuity resistance test and sensor passed per specifications.Performed bicarbonate buffer test sensor passed per specifications.See attached file for results.

• Brand Name: SENSOR MMT-7020B ENLITE3 US
• Common Device Name: ARTIFICIAL PANCREAS DEVICE SYSTEM, SINGLE HORMONAL CONTROL
• Manufacturer (Section D): MEDTRONIC MINIMED; 18000 devonshire st.; northridge CA 91325 1219
• MDR Report Key: 7594330
• Report Number: 2032227-2018-05303
• Device Sequence Number: 204380
• Product Code: OZP
• UDI-Device Identifier: 00643169704060
• UDI-Public: (01)00643169704060(017)20181221
• Combination Product (Y/N): N
• Initial Reporter State: WI
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: consumer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 01/04/2019

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: 12/21/2018
• Device Model Number: MMT-7020B
• Device Catalogue Number: MMT-7020B
• Device Lot Number: L217
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 09/18/2018
• Initial Date Received by Manufacturer: 04/07/2018
• Supplement Date Received by Manufacturer: 01/02/2019
• Initial Report FDA Received Date: 06/12/2018
• Supplement Report FDA Received Date: 01/04/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 59 YR
• Patient Weight: 190