MAUDE Adverse Event Report: DEXCOM, INC. DEXCOM G4 PLATINUM CONTINUOUS GLUCOSE MONITORING SYSTEM

Model Number	MT22608
Medical Device Problem Code	Device Inoperable (1663)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	03/02/2018
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 ceased to function.No additional event or patient information is available.The device has been received for investigation.A follow-up will be submitted upon completion of device investigation.
Additional Manufacturer Narrative
Com-(b)(4).
Event or Problem Description
The receiver was returned for evaluation.An external visual inspection was performed and passed.A receiver charge and boot was performed and passed.A receiver download was performed and shows the receiver shutting down unexpectedly when battery charge was over ten percent.A receiver discharge test was performed and failed.The receiver case was opened and an internal visual inspection was performed and passed.The battery was replaced with a known good battery.Confirmation of the complaint was confirmed.The probable cause was determined to be a defective receiver battery.

• Brand Name: DEXCOM G4 PLATINUM 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: 7362577
• Report Number: 3004753838-2018-029395
• Device Sequence Number: 11026016
• Product Code: MDS
• UDI-Device Identifier: 30386270000188
• UDI-Public: 30386270000188
• Combination Product (Y/N): N
• Initial Reporter State: GA
• 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): 03/02/2018

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: MT22608
• Device Catalogue Number: STR-PR-001
• Device Lot Number: 5230015
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/16/2018
• Initial Date Received by Manufacturer: 03/02/2018
• Supplement Date Received by Manufacturer: 03/26/2018
• Initial Report FDA Received Date: 03/22/2018
• Supplement Report FDA Received Date: 04/03/2018
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 7 YR