MiniMed® 530G MMT-751NAB (UDI 00643169503670)Recalls & reported problems

Summary

The FDA's MAUDE database contains 2,700 adverse event reports that list this exact device (DI 00643169503670), received between May 4, 2017 and Mar 24, 2026 — classified as 11 deaths, 799 injuries, 1,890 malfunctions.

The most frequently reported specific device problem is “Mechanical Problem” (487 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 2,700 reports, in the reporter's own words as published by the FDA.

• MalfunctionMar 24, 2026Material Integrity Problem

  IT WAS REPORTED TO MEDTRONIC MINIMED THAT THE CUSTOMER HAD CRACK BETWEEN BATTERY COMPARTMENT AND RESERVOIR. THE CUSTOMER REPORTED NO ADVERSE EVENT. THE EVENT INVOLVED PRODUCT(S) MMT-751NAB. TROUBLESHOOTING WAS NOT PERFORMED. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE CUSTOMER WILL DISCONTINUE THE USE OF THE PUMP AND REVERT TO A BACKUP PLAN PER HEALTHCARE PROFESSIONAL INSTRUCTIONS. MMT-751NAB WAS REQUESTED AND CUSTOMER RESPONSE WAS THE DEVICE RETURNED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 24672677 ↗
• MalfunctionMar 21, 2022Break; Break

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD RETAINER RING WAS POP UP. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WAS RETURNED FOR ANALYSIS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13838079 ↗
• MalfunctionJul 20, 2021Break; Obstruction of Flow; Battery Problem; Moisture or Humidity Problem; Power Problem; Break; Obstruction of Flow; Battery Problem; Moisture or Humidity Problem; Power Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD REJECTED NEW BATTERIES, DIMINISHED BATTERY LIFE, FOGGINESS ON THE SCREEN, UNEXPLAINED NO DELIVERY ALARMS, LOST SENSOR AND CALIBRATION ERRORS. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 12195221 ↗
• MalfunctionMay 18, 2021Break; Mechanical Problem; Obstruction of Flow; Material Integrity Problem; Break; Mechanical Problem; Obstruction of Flow; Material Integrity Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE CASING OF INSULIN PUMP WAS CRACKED, BATTERY CAP DAMAGED. IT HAD DIFFERENT GRINDING NOISES, NO DELIVERY ALARM. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WAS RETURNED FOR ANALYSIS.

  Patient problems: Insufficient Information

  MAUDE report 11839792 ↗
• MalfunctionMar 4, 2021Break; Obstruction of Flow; Break; Obstruction of Flow

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A CRACK ON RIGHT TOP CORNER ABOVE UP ARROW. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: Insufficient Information

  MAUDE report 11409752 ↗
• MalfunctionFeb 1, 2021No Display/Image; Material Integrity Problem; No Display/Image; Material Integrity Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A BLANK DISPLAY. CUSTOMER STATED THAT CONTACTS ON THE BATTERY CAP DAMAGED. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: Insufficient Information

  MAUDE report 11264175 ↗
• MalfunctionSep 11, 2020Mechanical Problem; Mechanical Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD MOTOR ERROR. CUSTOMER REPORTED THAT THE DRIVE SUPPORT CAP WAS NORMAL. CUSTOMER WAS ABLE TO SUCCESSFULLY CLEAR THE ALARM AND ABLE TO COMPLETE INSULIN PUMP REWIND. 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 10519472 ↗
• MalfunctionAug 11, 2020Priming Problem; Priming Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP HAD REWIND ANOMALY. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE CUSTOMER WAS ASSISTED WITH TROUBLESHOOTING. CUSTOMER STATED THEY ARE STUCK IN REWIND. CUSTOMER STATED THEY DID NOT RECEIVE SECOND SERIES OF BEEPS NOR DID NUMBERS APPEAR ON THE SCREEN. THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10389773 ↗
• MalfunctionAug 10, 2020No Display/Image; Moisture or Humidity Problem; Patient Device Interaction Problem; No Display/Image; Moisture or Humidity Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP WAS NOT WORKING. CUSTOMER STATED THAT THE INSULIN PUMP WAS EXPOSED TO WATER. INSULIN PUMP HAD CRACK AROUND THE BATTERY COMPARTMENT. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10384474 ↗
• MalfunctionAug 10, 2020Device Difficult to Program or Calibrate; Power Problem; Device Difficult to Program or Calibrate; Power Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP REJECTED NEW BATTERIES AND THE ACT BUTTON WAS SLOW TO RESPOND. 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 10384458 ↗
• MalfunctionAug 10, 2020Display or Visual Feedback Problem; Device Difficult to Program or Calibrate; Power Problem; Patient Device Interaction Problem; Display or Visual Feedback Problem; Device Difficult to Program or Calibrate; Power Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP BUTTON WAS HARDER TO PRESS. CUSTOMER REPORTED THAT THE DISPLAY LIGHT DIMMER, REJECT NEW BATTERY AND BUTTON TWICE TO GET TO RESPOND. CUSTOMER REPORTED THAT THE INSULIN PUMP HAD NO DELIVERY ALARM. 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 10384213 ↗
• MalfunctionAug 10, 2020Mechanical Problem; Mechanical Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP HAD MOTOR ERROR ALARM. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE CUSTOMER WAS ASSISTED WITH TROUBLESHOOTING. THE DRIVE SUPPORT CAP WAS NORMAL. THE INSULIN PUMP WAS NOT EXPOSED TO HIGH MAGNETIC ENVIRONMENT. CUSTOMER ABLE TO CLEAR ALARM AND INSULIN PUMP REWIND. THE MOTOR ERROR ALARM PRESENT IN THE HISTORY. THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10383801 ↗
• InjuryAug 7, 2020Detachment of Device or Device Component; Detachment of Device or Device Component

  THE CUSTOMER WAS REPORTED VIA PHONE CALL THAT, THE CUSTOMER WAS HOSPITALIZED ON (B)(6) 2020 FOR HIGH BLOOD GLUCOSE. THE BLOOD GLUCOSE AT THE TIME OF THE HOSPITALIZATION WAS 272 MG/DL. THE CUSTOMER TREATED HIGH BLOOD GLUCOSE WITH MANUAL INJECTION. BASED ON CUSTOMER REPORT CUSTOMER DID NOT ALLEGE PUMP WAS UNDER DELIVERING. CUSTOMER STATED THAT, THE DRIVE SUPPORT CAP WAS FLUSHED. THE CUSTOMER WAS ADMITTED FOR OVERNIGHT. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: Hyperglycemia; Hypoglycemia

  MAUDE report 10379396 ↗
• MalfunctionAug 7, 2020Device Difficult to Program or Calibrate; Battery Problem; Device Difficult to Program or Calibrate; Battery Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT BUTTONS OF INSULIN PUMP WERE NOT RESPONDING. CUSTOMER STATED THAT THE INSULIN PUMP HAD BUTTON ERROR ALARM. CUSTOMER WAS ADVISED TO OBSERVE TIME CLOCK FOR ONE MINUTE TO VERIFY IF TIME ADVANCES AND IT ADVANCE. 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 10379300 ↗
• MalfunctionAug 6, 2020Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Battery Problem; Patient Device Interaction Problem; Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Battery Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A UNRESPONSIVE BUTTONS. THE CUSTOMER STATED INSULIN PUMP HAD POOR BATTERY LIFE WITH LOUDER REWIND AND RANDOM NO DELIVERY ALSO BATTERY COMPARTMENT WAS WORN DOWN. 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 10373308 ↗
• MalfunctionAug 6, 2020Device Difficult to Program or Calibrate; Patient Device Interaction Problem; Device Difficult to Program or Calibrate; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD KEYPAD ANOMALY. THE CUSTOMER STATED THAT, THERE WERE CRACK ON THE RESERVOIR AND BUTTONS CAN BE STICKY. 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 10373299 ↗
• InjuryAug 6, 2020Obstruction of Flow; Obstruction of Flow

  CUSTOMER REPORTED VIA PHONE CALL THAT THEY EXPERIENCED HIGH BLOOD GLUCOSE. THE CUSTOMER BLOOD GLUCOSE LEVEL WAS 500 MG/DL AT THE TIME OF INCIDENT. CUSTOMER REPORTED THAT THEY RECEIVED NO DELIVERY ALARMS AND HAD CHANGE EVERYTHING MULTIPLE TIMES. CUSTOMER TREATED WITH MANUAL INJECTION. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: Hyperglycemia

  MAUDE report 10371664 ↗
• MalfunctionAug 5, 2020Mechanical Problem; Mechanical Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD MOTOR ERROR ALARM. TROUBLESHOOTING WAS DONE FOR MOTOR ERROR ALARM. CUSTOMER WAS UNABLE TO CLEAR THE ALARM AND UNABLE TO REWIND INSULIN PUMP. 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 10366772 ↗
• MalfunctionAug 4, 2020Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE ESC BUTTON OF THE INSULIN PUMP WAS STICKING. ALSO HAD NO DELIVERY ALARMS AND HAD TO REWIND MORE THAN ONCE. 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 10361602 ↗
• MalfunctionAug 4, 2020No Display/Image; Insufficient Flow or Under Infusion; No Display/Image; Insufficient Flow or Under Infusion

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE BOLUS WIZARD DID NOT GIVE ENOUGH INSULIN EVEN WHEN THERE WAS INSULIN IN THE RESERVOIR. THE INSULIN PUMP WAS NOT GIVING CORRECT AMOUNT OF INSULIN. THEY ALSO REPORTED DISPLAY ISSUE. 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 10361424 ↗
• MalfunctionAug 4, 2020Mechanical Problem; Battery Problem; Mechanical Problem; Battery Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP HAD MOTOR ERROR ALARMS. THE CUSTOMER STATED THAT THE BATTERY LIFE OF INSULIN PUMP WAS DOWN TO 3 TO 4 WEEKS. 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 10361299 ↗
• MalfunctionAug 4, 2020Display or Visual Feedback Problem; Mechanical Problem; Obstruction of Flow; Battery Problem; Patient Device Interaction Problem; Display or Visual Feedback Problem; Mechanical Problem; Obstruction of Flow; Battery Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD OILY RAINBOW EFFECT ON SCREEN. THE INSULIN PUMP HAD UNEXPLAINED RANDOM NO DELIVERY ALARMS, REJECTING NEW BATTERIES AND CLOCK HAD TO BE REPROGRAMMED, REWIND WAS LOUDER, CRACK ON SCREEN. 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 10361171 ↗
• MalfunctionAug 3, 2020Battery Problem; Priming Problem; Battery Problem; Priming Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN WAS SHOOTING WHEN PRIMING. CUSTOMER STATED THAT BATTERY LIFE WAS DIMINISHED. 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 10355395 ↗
• MalfunctionAug 3, 2020Mechanical Problem; Patient Device Interaction Problem; Mechanical Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD MOTOR ERROR ALARM TWO TIMES AND OTHER PUMP ERROR ALARM. CUSTOMER STATED THAT THE INSULIN PUMP HAD CRACK ON LEFT FRONT SIDE AND ALSO REJECTED NEW BATTERY. 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 10355010 ↗
• MalfunctionAug 3, 2020Device Difficult to Program or Calibrate; Obstruction of Flow; Battery Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Battery Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP BUTTONS WERE STICKY. CUSTOMER STATED THAT THE INSULIN PUMP HAD RANDOM UNEXPLAINED NO DELIVERY ALARMS. BATTERY LIFE WAS 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 10354983 ↗

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