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

Model Number	9438-05
Medical Device Problem Code	Wireless Communication Problem (3283)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	03/21/2018
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, a loss of connection occurred.No data was provided for evaluation.Confirmation of the issue was undetermined.The probable cause could not be determined.The device has been returned.A supplemental report will be submitted upon completion of evaluation.No additional event or patient information is available.
Additional Manufacturer Narrative
(b)(4).
Event or Problem Description
The complaint device was returned for evaluation.The device was visually inspected and no defect was found.Voltage testing was performed and failed.The share data log was unable to be downloaded due to unit having no voltage.The reported customer complaint was undetermined.The reported allegation was not found.

• 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: 7399428
• Report Number: 3004753838-2018-035297
• Device Sequence Number: 1657644
• Product Code: MDS
• UDI-Device Identifier: 40386270000048
• UDI-Public: 40386270000048
• Combination Product (Y/N): N
• Initial Reporter State: CA
• 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): 03/21/2018

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 Expiration Date: 06/30/2018
• Device Model Number: 9438-05
• Device Catalogue Number: STT-RX-001
• Device Lot Number: 5231670
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/03/2018
• Initial Date Received by Manufacturer: 03/21/2018
• Supplement Date Received by Manufacturer: 04/09/2018
• Initial Report FDA Received Date: 04/05/2018
• Supplement Report FDA Received Date: 04/30/2018
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 52 YR
• Patient Weight: 70