MAUDE Adverse Event Report: DEXCOM, INC. DEXCOM G5 MOBILE CONTINUOUS GLUCOSE MONITORING SYSTEM

Model Number	MT22949
Medical Device Problem Code	Inappropriate or Unexpected Reset (2959)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	01/01/2018
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).
Event or Problem Description
Dexcom was made aware on (b)(4) 2018 that on (b)(6) 2018 the receiver initialized without a manual restart.No additional event or patient information is available.No product or data were provided for evaluation.The confirmation of the complaint is undetermined.A root cause could not be determined.
Additional Manufacturer Narrative
(b)(4).
Event or Problem Description
Dexcom was made aware on (b)(6) 2018 that on (b)(6) 2018 the receiver initialized without a manual restart.No additional event or patient information is available.No data was provided for evaluation.The receiver was returned for evaluation.External visual inspection was performed and passed.A receiver charge and boot was performed and failed due to perpetual rebooting.The receiver case was opened, and the ui pcba board was detached from the receiver.A log review was unable to be performed.A functional test could not be performed.Confirmation of the complaint was undetermined.The probable cause could not be determined.

• Brand Name: DEXCOM G5 MOBILE CONTINUOUS GLUCOSE MONITORING SYSTEM
• Common Device Name: CONTINUOUS GLUCOSE MONITOR
• Manufacturer (Section D): DEXCOM, INC.; 6340 sequence dr.; san diego CA 92121
• MDR Report Key: 7211121
• Report Number: 3004753838-2018-008005
• Device Sequence Number: 1158431
• Product Code: PQF
• UDI-Device Identifier: 30386270000324
• UDI-Public: 30386270000324
• Combination Product (Y/N): N
• Initial Reporter State: TN
• Initial Reporter Country: US
• PMA/510(K) Number: P120005
• 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): 01/01/2018

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 Model Number: MT22949
• Device Catalogue Number: STR-SD-001
• Device Lot Number: 5231217
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 01/29/2018
• Initial Date Received by Manufacturer: 01/01/2018
• Supplement Date Received by Manufacturer: 02/01/2018
• Initial Report FDA Received Date: 01/22/2018
• Supplement Report FDA Received Date: 02/22/2018
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 53 YR