MAUDE Adverse Event Report: MEDTRONIC PUERTO RICO OPERATIONS CO. SENSOR MMT-7020B ENLITE3 US; ARTIFICIAL PANCREAS DEVICE SYSTEM, SINGLE HORMONAL CONTROL

Model Number	MMT-7020B
Medical Device Problem Code	Incorrect, Inadequate or Imprecise Result or Readings (1535)
Health Effect - Clinical Code	Hyperglycemia (1905)
Date of Event	04/12/2020
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).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
Information received by medtronic the user reported inaccurate sensor readings that triggered a threshold suspend.The customer¿s blood glucose was 313 mg/dl and sensor glucose was 47 mg/dl at the time of the event, the difference is outside the acceptable range.Suspend on low limit in sensor settings was at 70 mg/dl.No harm requiring medical intervention was reported.The customer also reported getting calibration and change sensor errors.The sensor will not 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.This mdr related to the (b)(4) manufacturing site has been assigned a medwatch number from the medtronic minimed (b)(4) site, per variance 5.

• Brand Name: SENSOR MMT-7020B ENLITE3 US
• Common Device Name: ARTIFICIAL PANCREAS DEVICE SYSTEM, SINGLE HORMONAL CONTROL
• Manufacturer (Section D): MEDTRONIC PUERTO RICO OPERATIONS CO.; ceiba norte ind. park #50 road; juncos 00777 -386
• MDR Report Key: 9970185
• Report Number: 2032227-2020-104847
• Device Sequence Number: 19395183
• Product Code: OZP
• UDI-Device Identifier: 00763000140779
• UDI-Public: (01)00763000140779(17)210108(10)HG40MX3
• Combination Product (Y/N): N
• Initial Reporter State: IL
• 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): 05/03/2020

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: 01/08/2021
• Device Model Number: MMT-7020B
• Device Catalogue Number: MMT-7020B
• Device Lot Number: HG40MX3
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/23/2020
• Initial Date Received by Manufacturer: 04/13/2020
• Supplement Date Received by Manufacturer: 04/29/2020
• Initial Report FDA Received Date: 04/16/2020
• Supplement Report FDA Received Date: 05/03/2020
• 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: 200