MiniMed® 530G MMT-751NAH (UDI 00643169503687)Recalls & reported problems

Summary

The FDA's MAUDE database contains 1,368 adverse event reports that list this exact device (DI 00643169503687), received between May 31, 2017 and Jan 13, 2025 — classified as 5 deaths, 433 injuries, 930 malfunctions.

The most frequently reported specific device problem is “No Display/Image” (220 reports).

2 other recalls cover devices cleared under the same FDA submission (P120010); 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 18, 2026.

Most reported problems

Recent adverse event reports

The 25 most recent of 1,368 reports, in the reporter's own words as published by the FDA.

• MalfunctionJan 13, 2025Power Problem; Power Problem

  IT WAS REPORTED TO MEDTRONIC MINIMED THAT THE CUSTOMER EXPERIENCED BATTERY FAILED ALARM. THE CUSTOMER REPORTED NO ADVERSE EVENT. THE EVENT INVOLVED PRODUCT(S) MMT-751NAH. TROUBLESHOOTING WAS PERFORMED. CUSTOMER REPORTED THAT INSULIN PUMP STOPPED WORKING. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. MMT-751NAH WAS RETURNED FOR ANALYSIS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 21135556 ↗
• MalfunctionApr 19, 2024Material Integrity Problem; Material Integrity Problem

  IT WAS REPORTED TO MEDTRONIC MINIMED THAT THE CUSTOMER WAS NOT ABLE TO OPEN BATTERY CAP EVEN AFTER TRYING WITH COIN. THE CUSTOMER REPORTED NO ADVERSE EVENT. THE EVENT INVOLVED PRODUCT MMT-751NAH. TROUBLESHOOTING WAS PERFORMED. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WAS RETURNED FOR FAILURE ANALYSIS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 19141844 ↗
• MalfunctionApr 17, 2023Break; Material Integrity Problem; Appropriate Device Problem Term/Code Not Available; Break; Material Integrity Problem; Appropriate Device Problem Term/Code Not Available

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE CUSTOMER STATED THAT THE BATTERY CAP WAS UNABLE TO BE REMOVED AND HAVING AN ISSUE WITH THE PUMP. TROUBLESHOOTING WAS PERFORMED. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. IT IS UNKNOWN WHETHER THE CUSTOMER DISCONTINUES USING THE INSULIN PUMP AND THE PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16749158 ↗
• MalfunctionSep 29, 2020Obstruction of Flow; Battery Problem; Obstruction of Flow; Battery Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD NO DELIVERY ALERT AND CHANGING BATTERY MORE FREQUENTLY. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10598915 ↗
• MalfunctionSep 23, 2020Mechanical Problem; Obstruction of Flow; Battery Problem; Mechanical Problem; Obstruction of Flow; Battery Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD MOTOR ERROR ALARM. CUSTOMER WAS ABLE TO COMPLETE PUMP REWIND. CUSTOMER DID NOT REPORT AN MOTOR POSITION ENCODER ERROR ALARM. THE CUSTOMER STATED THAT THE DRIVE SUPPORT CAP WAS NORMAL. CUSTOMER STATED THAT INSULIN PUMP HAD NO DELIVERY ALARM. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: Hyperglycemia

  MAUDE report 10571650 ↗
• MalfunctionSep 8, 2020Failure to Cycle; Priming Problem; Failure to Cycle; Priming Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN WAS SQUIRTING OUT DURING MANUAL PRIME AND HAD COMPROMISED FORCE SENSOR SYSTEM ALARM. THE CUSTOMER STATED THAT DRIVE SUPPORT CAP WAS STICKING OUT. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10503621 ↗
• MalfunctionAug 14, 2020Mechanical Problem; Mechanical Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP RECEIVED MOTOR ERROR. CUSTOMER WAS ABLE TO CLEAR ALARM AND REWIND PROCESS. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10406535 ↗
• InjuryAug 12, 2020Battery Problem; Battery Problem

  THE CUSTOMER REPORTED VIA PHONE CALL THAT THEY WERE IN HOSPITALIZED DUE TO LOW BLOOD GLUCOSE ON (B)(6) 2020 WITH UNKNOWN BLOOD GLUCOSE LEVEL. THE CUSTOMER REPORTED THAT THE INSULIN PUMP HAD BATTERY DIED EVERY DAY. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: Hypoglycemia

  MAUDE report 10394569 ↗
• MalfunctionAug 11, 2020Device Difficult to Program or Calibrate; Device Difficult to Program or Calibrate

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE ESCAPE AND ACTIVATION BUTTONS WERE HARDER PRESS, LESS RESPONSIVE AND SOMETIMES HAD TO PRESS TWICE. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10389858 ↗
• MalfunctionAug 7, 2020Failure to Cycle; Failure to Cycle

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD COMPROMISED FORCE SENSOR ALERT. THE DRIVE SUPPORT CAP WAS NORMAL. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10379629 ↗
• MalfunctionAug 6, 2020Mechanical Problem; Obstruction of Flow; Patient Device Interaction Problem; Mechanical Problem; Obstruction of Flow; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE CUSTOMER WAS NOT ABLE TO READ THE LETTERS ON THE BUTTONS. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10375770 ↗
• MalfunctionAug 6, 2020Display or Visual Feedback Problem; Obstruction of Flow; Battery Problem; Display or Visual Feedback Problem; Obstruction of Flow; Battery Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP HAD DIFFICULTY TO READ INFORMATION ON THE SCREEN. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP RECEIVED UNEXPLAINED NO DELIVERY ALARM AND BATTERIES NOT LASTING FULL 7 DAYS. THE DEVICE WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10372659 ↗
• MalfunctionAug 5, 2020Mechanical Problem; Material Integrity Problem; Priming Problem; Mechanical Problem; Material Integrity Problem; Priming Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD NO DELIVERY ALARMS DURING PRIMING. THE CUSTOMER STATED THEY HAD TO PRIME MORE THAN ONCE AND BATTERY CAP WAS BROKEN. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10366253 ↗
• MalfunctionAug 4, 2020Use of Device Problem; Priming Problem; Use of Device Problem; Priming Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP SQUIRT INSULIN DURING PRIMING, LOST SETTING DURING BATTERY CHANGE. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10361165 ↗
• MalfunctionAug 3, 2020Device Difficult to Program or Calibrate; Obstruction of Flow; Device Difficult to Program or Calibrate; Obstruction of Flow

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD ACT BUTTON WAS NOT RESPONDING. CUSTOMER STATED THAT THE INSULIN PUMP HAD NO DELIVERY ALERT. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10355027 ↗
• MalfunctionAug 3, 2020Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Patient Device Interaction Problem; Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP BUTTONS WERE STICKING AND HAD TO PRESS LONGER FOR RESPONSE. CUSTOMER STATED THAT THE INSULIN PUMP HAD NO DELIVERY ALARM. CUSTOMER STATED THAT THE GEAR REWINDS SLOWER. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10355011 ↗
• MalfunctionJul 30, 2020Mechanical Problem; Obstruction of Flow; Patient Device Interaction Problem; Mechanical Problem; Obstruction of Flow; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A MOTOR ERROR ALARMS. THE CUSTOMER ALSO REPORTED THAT THE CUSTOMER RECEIVED UNEXPLAINED NO DELIVERY ALARMS AND A CRACK IN THE INSULIN PUMP CASING. CUSTOMER DECLINED TO PROVIDE THEIR BLOOD GLUCOSE READING. TROUBLESHOOTING WAS NOT COMPLETED AS THE CUSTOMER DECLINED. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE PUMP WILL NOT BE RETURNED FOR ANALYSIS. NO PRODUCT IS EXPECTED TO RETURN FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10342842 ↗
• MalfunctionJul 29, 2020Display or Visual Feedback Problem; Patient Device Interaction Problem; Priming Problem; Display or Visual Feedback Problem; Patient Device Interaction Problem; Priming Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP SCREEN HAD RAINBOW EFFECT IN DAYLIGHT MAKING DIFFICULT TO SEE SCREEN. THE CUSTOMER STATED THAT INSULIN PUMP HAD CRACK ON SIDE OF BATTERY COMPARTMENT AROUND THREADING, CRACK ON RESERVOIR COMPARTMENT FROM CLEAR WINDOW TO ESC BUTTON, PRIMING TAKING LONGER TO COMPLETE. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10337514 ↗
• MalfunctionJul 28, 2020Device Alarm System; Mechanical Problem; Device Alarm System; Mechanical Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN WAS NOT DELIVERED AND ALARM WAS ALSO NOT RECEIVED. INSULIN PUMP HAD SLIGHT GRINDING NOISE DURING PRIME PROCESS, REWIND TAKING WAS LONGER. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: Hyperglycemia

  MAUDE report 10331585 ↗
• MalfunctionJul 28, 2020Device Difficult to Program or Calibrate; Battery Problem; Power Problem; Device Difficult to Program or Calibrate; Battery Problem; Power Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP HAD BUTTONS ARE UNRESPONSIVE AND REJECTED BATTERIES DIMINISHED. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10331247 ↗
• MalfunctionJul 27, 2020No Display/Image; No Display/Image

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A BLANK DISPLAY AFTER RECEIVING A LOW BATTERY ALERT. CUSTOMER STATED THE BATTERY WAS CHANGED, THEN THE SCREEN WENT BLANK. CUSTOMER WAITED FOR 10 MINUTES UNTIL THE BATTERY OUT LIMIT ALARM SOUNDED, INSERTED A NEW BATTERY, AND THE SCREEN STILL DID NOT TURN BACK ON. CUSTOMER¿S BLOOD GLUCOSE WAS 292 MG/DL. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: Hyperglycemia

  MAUDE report 10325022 ↗
• MalfunctionJul 23, 2020Display or Visual Feedback Problem; Mechanical Problem; Device Difficult to Program or Calibrate; Battery Problem; Power Problem; Patient Device Interaction Problem; Display or Visual Feedback Problem; Mechanical Problem; Device Difficult to Program or Calibrate; Battery Problem; Power Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP SCREEN HAD SCRATCHES OR DAMAGE ON THE DISPLAY, RAINBOW EFFECT MAKING IT HARD TO READ. CUSTOMER REPORTED THAT THE BATTERY LIFE DIMINISHED FROM THE FIRST DAY, SOME BATTERIES LASTING LESS THAN 7 DAYS, INSULIN PUMP REJECTS SOME NEW BATTERIES. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10313788 ↗
• MalfunctionJul 22, 2020Failure to Cycle; Detachment of Device or Device Component; Failure to Cycle; Detachment of Device or Device Component

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A COMPROMISED FORCE SENSOR SYSTEM ALARM DURING PRIMING. THE DRIVE SUPPORT CAP APPEARS WAS FLUSH. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10312060 ↗
• InjuryJul 21, 2020Material Integrity Problem; Material Integrity Problem

  CUSTOMER REPORTED VIA PHONE CALL THAT THEY EXPERIENCED HIGH BLOOD GLUCOSE. THE CUSTOMER BLOOD GLUCOSE LEVEL WAS 300 MG/DL TO 400 MG/DL AT THE TIME OF INCIDENT. THE CUSTOMER WAS ASSISTED WITH TROUBLESHOOTING AND DECLINED FOR HIGH BLOOD GLUCOSE. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: Hyperglycemia

  MAUDE report 10300773 ↗
• MalfunctionJul 20, 2020Mechanical Problem; Mechanical Problem

  INFORMATION RECEIVED BY MED INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A MOTOR ERROR ALARM. DRIVE SUPPORT CAP WAS NORMAL. CUSTOMER STATED INSULIN PUMP WAS EXPOSED TO X RAY. CUSTOMER WAS ABLE TO CLEAR THE ALARM AND ABLE TO REWOUND. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10293900 ↗

Recalls under the same FDA submission

These recalls involve devices cleared under P120010. One submission often covers many models, so check the product and lot details in each record.

• Z-1751-2026 · Feb 13, 2026 · Open, Classified
  MiniMed 530G Insulin Pump (MMT-551, MMT-751)
• Z-2544-2014 · Mar 13, 2014 · Terminated
  Medtronic MiniMed Paradigm Insulin Infusion Pumps, Paradigm models: MMT-511, MMT-512, MMT-712, MMT-712E, MMT-515, MMT-715, MMT-522, MMT-522K, MMT-722, MMT-722K, MMT-523, MMT-523K