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Guardian™ Link (3) MMT-7811NA (UDI 00763000215538)Recalls & reported problems

Medtronic Minimed, Inc. · RPL MMT-7811NA GST3C LOCKOUT 2.2A ARM · Class 3

Data updated Oct 16, 2026 from official FDA records · Editorial policy

Adverse event reports
6
Deaths reported
0
Injuries reported
2
Recalls naming it
0

Summary

The FDA's MAUDE database contains 6 adverse event reports that list this exact device (DI 00763000215538), received between Jul 5, 2019 and Apr 24, 2023 — classified as 2 injuries, 4 malfunctions.

The most frequently reported specific device problem is “Communication or Transmission Problem” (3 reports).

14 other recalls cover devices cleared under the same FDA submission (P160017); they may or may not involve this specific model.

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 16, 2026.

Most reported problems

Device problems

  • Communication or Transmission Problem3
  • Wireless Communication Problem3
  • Adverse Event Without Identified Device or Use Problem2
  • Calibration Problem1

Patient problems

  • No Clinical Signs, Symptoms or Conditions3
  • Hyperglycemia1
  • No Consequences Or Impact To Patient1
  • Skin Inflammation1

Recent adverse event reports

The 6 most recent of 6 reports, in the reporter's own words as published by the FDA.

  • MalfunctionApr 24, 2023Wireless Communication Problem; Wireless Communication Problem

    INFORMATION RECEIVED BY MEDTRONIC INDICATED THE CUSTOMER REPORTED LOSS OF COMMUNICATION. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. TROUBLESHOOTING WAS PERFORMED AND THE ISSUE WAS NOT RESOLVED. PUMP WILL BE RETURN FOR ANALYSIS.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 16794552 ↗
  • MalfunctionApr 19, 2023Communication or Transmission Problem; Wireless Communication Problem; Communication or Transmission Problem; Wireless Communication Problem

    INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE CUSTOMER HAD A LOSS OF COMMUNICATION ISSUE BETWEEN THE PUMP AND THE TRANSMITTER. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. TROUBLESHOOTING WAS PERFORMED AND FOUND THAT THE CORRECT TRANSMITTER ID WAS PROGRAMMED INTO THE PUMP AND THE ISSUE WAS NOT RESOLVED. PRODUCT WILL BE RETURN FOR ANALYSIS.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 16767702 ↗
  • MalfunctionApr 19, 2023Communication or Transmission Problem; Wireless Communication Problem; Communication or Transmission Problem; Wireless Communication Problem

    INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE CUSTOMER HAD A LOSS OF COMMUNICATION ISSUE BETWEEN THE PUMP AND THE TRANSMITTER. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. TROUBLESHOOTING WAS PERFORMED AND FOUND THAT THE CORRECT TRANSMITTER ID WAS PROGRAMMED INTO THE PUMP, BUT THE ISSUE WAS NOT RESOLVED. THE PRODUCT WILL NOT BE RETURNED FOR ANALYSIS.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 16766468 ↗
  • MalfunctionMay 5, 2020Calibration Problem; Calibration Problem

    INFORMATION RECEIVED BY MEDTRONIC THE USER REPORTED INACCURATE SENSOR READINGS THAT TRIGGERED A THRESHOLD SUSPEND. THE CUSTOMER¿S BLOOD GLUCOSE WAS 112 MG/DL AND SENSOR GLUCOSE WAS 41 MG/DL AT THE TIME OF THE EVENT, THE DIFFERENCE IS OUTSIDE THE ACCEPTABLE RANGE. SUSPEND ON LOW LIMIT IN SENSOR SETTINGS WAS AT 41 MG/DL. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE SENSOR WILL NOT BE RETURNED FOR ANALYSIS.

    Patient problems: No Consequences Or Impact To Patient

    MAUDE report 10023852 ↗
  • InjuryOct 17, 2019Communication or Transmission Problem; Adverse Event Without Identified Device or Use Problem; Communication or Transmission Problem; Adverse Event Without Identified Device or Use Problem

    CUSTOMER REPORTED VIA PHONE CALL THAT THEY EXPERIENCED HIGH BLOOD GLUCOSE LEVEL OF 416 MG/DL. CUSTOMER'S BLOOD GLUCOSE VALUE WAS 416 MG/DL AT THE TIME OF THE CALL. CUSTOMER REPORTED THAT THE HIGH BLOOD GLUCOSE LEVELS BEGAN ON (B)(6) 2019. THE CUSTOMER DID NOT STATE HOW THEY TREATED HYPERGLYCEMIA. THE CUSTOMER STATES THAT THEY WERE CHANGING TRANSMITTER AT THE TIME. THE PRODUCT WAS RETURNED FOR ANALYSIS.

    Patient problems: Hyperglycemia

    MAUDE report 9201165 ↗
  • InjuryJul 5, 2019Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    THE CUSTOMER REPORTED VIA PHONE CALL THAT THEY FELT PAIN ON INSERTION SITE, CONSULTED WITH THERE DOCTOR AND APPEARED THAT THERE WAS BURN ON SITE DUE TO TRANSMITTER. CUSTOMER'S BLOOD GLUCOSE LEVEL WAS UNKNOWN. CUSTOMER REPORTED THAT THERE WAS BURN ON SITE WHICH CAUSE BLISTERS WHICH LEADS TO GET HER SOME MEDICINES. TRANSMITTER WILL BE RETURNED FOR ANALYSIS.

    Patient problems: Skin Inflammation

    MAUDE report 8763216 ↗

Recalls under the same FDA submission

These recalls involve devices cleared under P160017. One submission often covers many models, so check the product and lot details in each record.

  • Z-2981-2026 · Jul 13, 2026 · Open, Classified
    MiniMed 670G Insulin Pump, Model: MMT-1781, MMT-1782;
  • Z-1742-2026 · Feb 13, 2026 · Open, Classified
    MiniMed 770G Insulin Pump (MMT-1880, MMT-1881, MMT-1882, MMT-1890, MMT-1891, MMT-1892)
  • Z-1739-2026 · Feb 13, 2026 · Open, Classified
    MiniMed 670G Insulin Pump (MMT-1760, MMT-1761, MMT-1762, MMT-1780, MMT-1781, MMT-1782)
  • Z-1261-2025 · Jan 31, 2025 · Open, Classified
    MiniMed insulin pump, REF: 670G (MMT-1760, MMT-1761, MMT-1762, MMT-1780, MMT-1781, MMT-1782)
  • Z-1265-2025 · Jan 31, 2025 · Open, Classified
    MiniMed insulin pump, REF: 770G (MMT-1880, MMT-1881, MMT-1882, MMT-1890, MMT-1891, MMT-1892)
  • Z-1266-2025 · Jan 31, 2025 · Open, Classified
    MiniMed insulin pump, REF: 780G (MMT-1884, MMT-1885, MMT-1886, MMT-1894, MMT-1895, MMT-1896)
  • Z-0003-2025 · Jul 31, 2024 · Open, Classified
    MiniMed Insulin Pump Device. MiniMed 670G, REF: MMT-1580, MMT-1581, MMT-1582, MMT-1780, MMT-1781, MMT-1782, MMT-1740, MMT-1741, MMT-1742, MMT-1760, MMT-1761, MMT-1762; MiniMed 770G
  • Z-0193-2023 · Sep 20, 2022 · Open, Classified
    Insulin Pump/Model: MiniMed 630G/ MMT-1715, MMT-1755, MMT-1754; MiniMed 670G/ MMT-1780, MMT-1781, MMT-1782, MMT-1760, MMT-1761, MMT-1762, MMT-1740, MMT-1741, MMT-1742
  • Z-0855-2022 · Jan 27, 2022 · Open, Classified
    MiniMed 630G: MMT-1715, MMT-1754, MMT-1755; MiniMed 670G: MMT-1740, MMT-1741, MMT-1742, MMT-1760, MMT-1761, MMT-1762, MMT-1780, MMT-1781, MMT-1782; MiniMed 770G: MMT-1880, MMT-18
  • Z-1771-2021 · Mar 15, 2021 · Open, Classified
    MiniMed 780G Insulin Pump: Models: PUMP MMT-1885 MM780G 6.5V BLE MMOL; PUMP MMT-1886 MM780G 6.5W BLE MG; KIT MMT-1895WW MM780G 6.5V BLE SF MMOL; KIT MMT-1896WW MM780G 6.5W BLE
  • Z-0516-2021 · Apr 30, 2020 · Open, Classified
    MiniMed 670G, insulin pump, Ref/Model # MMT-1760KPK, MMT-1762KCN, MMT-1762WWK - Product Usage: indicated for continuous or periodic monitoring of glucose levels in the fluid under
  • Z-0956-2020 · Nov 21, 2019 · Open, Classified
    Medtronic MiniMed 670G System with SmartGuard, Ref #s/Model Number(s) - MMT-1741, MMT-1742, MMT-1760, MMT-1761, MMT-1762, MMT-1580, MMT-1581, MMT-1582, MMT-1780, MMT-1781, and MM
  • Z-2604-2017 · May 8, 2017 · Terminated
    MiniMed 640G Insulin Infusion Pump, Catalog No. MMT-1511, MMT-1711, MMT-1512, MMT-1712, MMT-1551, MMT-1751, MMT-1552, MMT-1752.
  • Z-2605-2017 · May 8, 2017 · Terminated
    MiniMed 670G Insulin Infusion Pump, Catalog No. MMT-1580, MMT-1780, MMT-1782, MMT-1760.

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Sources and updates

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