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

Model Number 9500-44

Device Problems Imprecision (1307); Use of Device Problem (1670)

Patient Problem No Consequences Or Impact To Patient (2199)

Event Date 05/17/2018

Event Type  malfunction  

Manufacturer Narrative

(b)(4).

Event Description

Dexcom was made aware on (b)(4) 2018 that on (b)(6) 2018, there was an inaccuracy between the continuous glucose monitor (cgm) and the blood glucose (bg) meter.The sensor was inserted into the abdomen on (b)(6) 2018.Reportedly, the patient did not calibrate after the inaccuracy.No additional event or patient information is available.No data was provided for evaluation.The complaint confirmation and root cause could not be determined.Labeling indicates: if the difference between your sensor glucose reading and blood glucose value is greater than 20% of the blood glucose value for sensor glucose readings > 80 mg/dl or greater than 20 points for sensor glucose readings < 80 mg/dl, wash your hands and take another blood glucose measurement.If the difference between this second blood glucose measurement and the sensor is still greater than 20% for sensor glucose readings > 80 mg/dl or greater than 20 points for sensor glucose readings < 80 mg/dl, recalibrate your sensor using the second blood glucose value.The sensor glucose reading will correct over the next 15 minutes.

• Brand Name: DEXCOM G4 PLATINUM CONTINUOUS GLUCOSE MONITORING SYSTEM
• Type of Device: CONTINUOUS GLUCOSE MONITOR
• Manufacturer (Section D): DEXCOM, INC.; 6340 sequence dr.; san diego CA 92121
• Manufacturer Contact: kipp durbin ; 6340 sequence dr.; san diego, CA 92121 ; 8582000200
• MDR Report Key: 7601798
• MDR Text Key: 111399761
• Report Number: 3004753838-2018-064774
• Device Sequence Number: 1
• Product Code: MDS
• Combination Product (y/n): N
• Reporter Country Code: CA
• PMA/PMN Number: P120005
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: consumer,foreign
• Reporter Occupation: Other
• Type of Report: Initial
• Report Date: 05/18/2018

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 06/14/2018
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Lay User/Patient
• Device Expiration Date: 01/30/2019
• Device Model Number: 9500-44
• Device Catalogue Number: STS-GF-007
• Device Lot Number: 5234553
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Date Manufacturer Received: 05/18/2018
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 01/30/2018
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Age: 80 YR
• Patient Weight: 79