MiniMed® 530G MMT-751NAS (UDI 00643169404342)Recalls & reported problems

Summary

The FDA's MAUDE database contains 1,995 adverse event reports that list this exact device (DI 00643169404342), received between May 16, 2017 and May 30, 2023 — classified as 16 deaths, 508 injuries, 1,471 malfunctions.

The most frequently reported specific device problem is “Device Displays Incorrect Message” (384 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 1,995 reports, in the reporter's own words as published by the FDA.

• MalfunctionMay 30, 2023Mechanical Problem; Battery Problem; Mechanical Problem; Battery Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE CUSTOMER REPORTED A LOW BATTERY ALARM OR SHORT BATTERY LIFE AS THE BATTERY DOESN'T LAST A WEEK AND GRINDING NOISE DURING REWIND. TROUBLESHOOTING WAS PERFORMED AND IT WAS REPORTED THAT THE BATTERY INDICATOR DOES NOT SHOW LESS THAN 2 BARS AND NOT USING THE RECHARGEABLE BATTERIES .NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE CUSTOMER WILL DISCONTINUE USING THE DEVICE AND THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 17017642 ↗
• MalfunctionOct 14, 2020Mechanical Problem; Battery Problem; Power Problem; Patient Device Interaction Problem; Mechanical Problem; Battery Problem; Power Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP RECEIVED CRACK AT BATTERY CAP. BATTERIES LASTING LESS THAN 7 DAYS. INSULIN PUMP WAS REJECTING NEW BATTERIES. REWIND WAS SLOWER AND LOUDER THAN USUAL. 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 10676707 ↗
• MalfunctionAug 12, 2020Premature Discharge of Battery; Mechanical Problem; Device Difficult to Program or Calibrate; Patient Device Interaction Problem; Premature Discharge of Battery; Mechanical Problem; Device Difficult to Program or Calibrate; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD SCREEN WAS SCRATCHED, BUTTONS WERE WORN, MOTORS ERRORS, LOOSES SETTING WHEN BATTERY CHANGES. 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 10395185 ↗
• MalfunctionAug 11, 2020Device Alarm System; Mechanical Problem; Patient Device Interaction Problem; Device Alarm System; Mechanical Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD UNUSUAL NOISE DIFFERENT FROM NORMAL REWIND NOISE AND ALSO HAD CRACK LOCATED IN HOUSING FAR RIGHT CORNER WHERE THEY HAD SCREEN, TO TOP PART OF THE 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 10389890 ↗
• MalfunctionAug 11, 2020Device Difficult to Program or Calibrate; Moisture or Humidity Problem; Device Difficult to Program or Calibrate; Moisture or Humidity Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP RECEIVED BUTTON ERROR. INSULIN PUMP WAS EXPOSED TO MOISTURE. 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 10389407 ↗
• MalfunctionAug 7, 2020Device Difficult to Program or Calibrate; Device Difficult to Program or Calibrate

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD STUCK BUTTON ALARM. BUTTON WAS PRESSED FOR 3 MINUTES OR LONGER. CUSTOMER WAS NOT ABLE TO CLEAR THE ALARM. 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 10377680 ↗
• MalfunctionAug 7, 2020Premature Discharge of Battery; Patient Device Interaction Problem; Premature Discharge of Battery; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD UNEXPECTED RESTART ALARM AND ALSO HAD CRACK AT BATTERY COMPARTMENT. CUSTOMER STATED THEY WERE ABLE TO CLEAR THE ALARM AND THEY WERE ABLE TO REWIND INSULIN PUMP. CUSTOMER STATED UNEXPECTED RESTART ALARM REOCCURRED MULTIPLE TIMES AFTER BATTERY CHANGE. TROUBLESHOOTING WAS PERFORMED. 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 10377607 ↗
• MalfunctionAug 3, 2020Priming Problem; Priming Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP SQUIRTING INSULIN DURING MANUAL PROCESS. CUSTOMER WAS UNABLE TO PREPARING PRIME LOOP. 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 10355965 ↗
• MalfunctionJul 31, 2020Mechanical Problem; Mechanical Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD MOTOR ERROR ALARM AND MOTOR POSITION ENCODER ERROR ALARM. THE CUSTOMER STATED THAT 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 10349707 ↗
• MalfunctionJul 29, 2020Device Difficult to Program or Calibrate; Device Difficult to Program or Calibrate

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT KEYPAD OF INSULIN PUMP WAS UNRESPONSIVE. CUSTOMER STATED THAT THE NUMBERS WERE RAMPING ON THEIR OWN AND SCROLL BAR WAS NOT MOVING WITH NO INPUT. CUSTOMER OBSERVE TIME CLOCK AND IT WAS ADVANCED. 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 10338709 ↗
• MalfunctionJul 24, 2020Device Difficult to Program or Calibrate; Device Difficult to Program or Calibrate

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT DOWN ARROW BUTTON STOPPED WORKING ABOUT A MONTH AGO AND NOW ALL THE BUTTON STOPPED RESPONDING. CUSTOMER DID NOT RECALL ANY EVENT LED UP THIS ISSUE. CUSTOMER ALSO REPORTED WHEN OBSERVED TIME CLOCK FOR ONE MINUTE IT ADVANCES. 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 10318579 ↗
• MalfunctionJul 23, 2020Mechanical Problem; Device Difficult to Program or Calibrate; Patient Device Interaction Problem; Mechanical Problem; Device Difficult to Program or Calibrate; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE REWIND ON THE INSULIN PUMP TOOK LONGER, THERE WAS CRACK BY THE RESERVOIR AND BUTTONS WERE HARD TO PRESS. 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 10313399 ↗
• MalfunctionJul 23, 2020Device Difficult to Program or Calibrate; Visual Prompts will not Clear; Device Difficult to Program or Calibrate; Visual Prompts will not Clear

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A BUTTON ERROR AND SCREEN FROZE ON DURING THE PRIME. 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 10313373 ↗
• MalfunctionJul 22, 2020Failure to Cycle; Failure to Cycle

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD COMPROMISED FORCE SENSOR SYSTEM ALARM. THE TROUBLESHOOTING WAS PERFORMED. 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 10306342 ↗
• MalfunctionJul 21, 2020Mechanical Problem; Device Difficult to Program or Calibrate; Visual Prompts will not Clear; Mechanical Problem; Device Difficult to Program or Calibrate; Visual Prompts will not Clear

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP RECEIVED MOTOR ERROR, BUTTON ERROR AND REWIND PROCESS WAS LOUDER THAN USUAL. CUSTOMER STATED THAT INSULIN PUMP RECEIVED UNEXPLAINED NO DELIVERY ALARM AND INSULIN PUMP LOCKED UP COUPLE OF TIMES. 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 10301088 ↗
• MalfunctionJul 21, 2020Failure to Cycle; Detachment of Device or Device Component; Failure to Cycle; Detachment of Device or Device Component

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP COMPROMISED FORCE SENSOR SYSTEM ALARM. CUSTOMER REPORTED THAT THE DRIVE SUPPORT CAP WAS CORRECT. 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 10300176 ↗
• MalfunctionJul 20, 2020Device Difficult to Program or Calibrate; Device Difficult to Program or Calibrate

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD BUTTON. CUSTOMER STATED THAT BUTTON WERE NOT RESPONSIVE. 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 10294345 ↗
• MalfunctionJul 19, 2020Device Difficult to Program or Calibrate; Obstruction of Flow; Patient Device Interaction Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP BUTTON HARDER TO PRESS AND NON RESPONSIVE. 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 10293803 ↗
• MalfunctionJul 17, 2020Premature Discharge of Battery; Loss of Data; Premature Discharge of Battery; Loss of Data

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A COMPROMISED FORCE SENSOR SYSTEM OF UNEXPECTED RESTART AND A COLD RESET WAS PERFORMED THE CUSTOMER STATED THEY HAD CHANGED THE BATTERY AND WAS NOT GETTING INSULIN AND SHOWED ALARM. CUSTOMER STATED THAT THEY HAD EXPERIENCED MULTIPLE ALARM AFTER BATTERY CHANGE AND TROUBLESHOOTING. 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 10287736 ↗
• InjuryJul 17, 2020Mechanical Problem; Detachment of Device or Device Component; Mechanical Problem; Detachment of Device or Device Component

  THE CUSTOMER REPORTED VIA PHONE CALL THAT THE CUSTOMER HAD HIGH BLOOD GLUCOSE LEVEL OF 437 MG/DL. CUSTOMER STATED THAT THE INSULIN PUMP MOTOR WAS FAILED. CUSTOMER STATED THAT THE INSULIN PUMP HAD NO DELIVERY ALARM. CUSTOMER STATED THAT THE DRIVE SUPPORT CAP WAS FLUSH. CUSTOMER STATED THAT THE CANNULA WAS BENT. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: Hyperglycemia

  MAUDE report 10287531 ↗
• MalfunctionJul 16, 2020Device Alarm System; Power Problem; Device Alarm System; Power Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP REJECT NEW BATTERIES, LOW BATTERY WARNING BEEP ALL THE TIME EVEN BATTERY WAS NEW. 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 10281904 ↗
• MalfunctionJul 15, 2020Premature Discharge of Battery; Premature Discharge of Battery

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD INSULIN PUMP ERROR. 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 10275611 ↗
• MalfunctionJul 14, 2020Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Battery Problem; Power Problem; Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Battery Problem; Power Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP WAS NON RESPONSIVE TO B BRAND NEW BATTERY AS WELL AS HAD ACT BUTTON NON RESPONSIVE. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE CUSTOMER STATED THAT INSULIN PUMP RECEIVED RANDOM NO DELIVERY ALARM AND DIMINISHED BATTERY LIFE. THE DEVICE WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10270421 ↗
• MalfunctionJul 13, 2020Device Difficult to Program or Calibrate; Device Difficult to Program or Calibrate

  INFORMATION RECEIVED BY MEDTRONIC INDICATED INSULIN PUMP HAD BUTTON ERROR. THE BUTTONS WAS NOT RESPONDING AND CUSTOMER WAS NOT ABLE TO PRESS ESC AND ACT TO CLEAR 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 10262885 ↗
• MalfunctionJul 2, 2020Device Difficult to Program or Calibrate; Moisture or Humidity Problem; Device Difficult to Program or Calibrate; Moisture or Humidity Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD UNRESPONSIVE KEYPAD AFTER SWIMMING. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10223215 ↗

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