inforMED
MalfunctionCGA

GUARDIAN

Received Feb 27, 2026 · Event occurred Dec 8, 2025

Report 2032227-2026-136500 · MDR key 24476865

Device

Generic name

Glucose Oxidase, Glucose

Manufacturer

Medtronic Minimed

Model number

GUARDIAN

Catalog number

GUARDIAN

Product problems

  • Wireless Communication Problem

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

SELECT PATIENT INFORMATION CANNOT BE PROVIDED DUE TO REGIONAL PRIVACY REGULATIONS. CURRENTLY IT IS UNKNOWN WHETHER OR NOT THE DEVICE MAY HAVE CAUSED OR CONTRIBUTED TO THE EVENT AS NO PRODUCT HAS BEEN RETURNED. NO CONCLUSION CAN BE DRAWN AT THIS TIME. WE THEREFORE CONSIDER THIS REPORT COMPLETE TO THE BEST OF OUR KNOWLEDGE. MEDTRONIC SUBMITS THIS REPORT TO COMPLY WITH FDA REGULATIONS 21 CFR PARTS 4 AND 803. MEDTRONIC HAS MADE REASONABLE EFFORTS TO PROVIDE AS MUCH RELEVANT INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE OF THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC, OR ITS EMPLOYEES CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. MEDTRONIC WILL SUBMIT A SUPPLEMENTAL REPORT IF ADDITIONAL RELEVANT INFORMATION BECOMES KNOWN.

Description of Event or Problem

IT WAS REPORTED TO MEDTRONIC MINIMED THAT THE CUSTOMER EXPERIENCED LOST COMMUNICATION ALARM IN GUARDIAN APPLICATION AND MOBILE DEVICE. THE CUSTOMER ALSO ALLEGED UNABLE TO PAIR TRANSMITTER WITH PUMP ALERT. THE CUSTOMER REPORTED NO ADVERSE EVENT. THE EVENT INVOLVED PRODUCT GUARDIAN. TROUBLESHOOTING WAS NOT PERFORMED AND IT WAS UNKNOWN WHETHER THE ISSUE WAS RESOLVED OR NOT. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. NO PRODUCT RETURN IS REQUIRED FOR GUARDIAN.