MiniMed® 530G MMT-751NAS (UDI 00643169503717)Recalls & reported problems

Summary

The FDA's MAUDE database contains 7,479 adverse event reports that list this exact device (DI 00643169503717), received between May 4, 2017 and Jul 11, 2023 — classified as 36 deaths, 1,946 injuries, 5,497 malfunctions.

The most frequently reported specific device problem is “Mechanical Problem” (1,589 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. How this data works · Data updated Oct 13, 2026.

Most reported problems

Recent adverse event reports

The 25 most recent of 7,479 reports, in the reporter's own words as published by the FDA.

• MalfunctionJul 11, 2023Break; Material Integrity Problem; Break; Material Integrity Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE CUSTOMER REPORTED BATTERY CAP WAS STRIPPED. TROUBLESHOOTING WAS PERFORMED AND FOUND THE DAMAGE ON THE BATTERY COMPARTMENT AND BATTERY CAP. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE CUSTOMER WILL DISCONTINUE USING THE INSULIN PUMP AND THE PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 17296245 ↗
• MalfunctionJul 10, 2023Mechanical Problem; Mechanical Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP ALARMED AN AA20 ALARM. THE PATIENT WAS ABLE TO COMPLETE THE REWIND PROCESS. NO TREATMENT WAS NECESSARY. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 17286304 ↗
• MalfunctionApr 27, 2023Obstruction of Flow; Battery Problem; Obstruction of Flow; Battery Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE CUSTOMER REPORTS SHORT BATTERY LIFE. TROUBLESHOOTING WAS NOT PERFORMED. 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 16821822 ↗
• MalfunctionNov 4, 2021Excess Flow or Over-Infusion; Insufficient Flow or Under Infusion; Excess Flow or Over-Infusion; Insufficient Flow or Under Infusion

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE CUSTOMER NOT SURE ABOUT INSULIN PUMP WAS OVER OR UNDER DELIVERING. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 12750532 ↗
• MalfunctionApr 6, 2021Battery Problem; Battery Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATES THE CUSTOMER WAS HAVING BATTERY ISSUES. THE CUSTOMER STATED THEY RECEIVED A REPLACEMENT BATTERY CAP BUT IS HAVING THE SAME ISSUE AND KEEPS REPLACING BATTERIES. THE CUSTOMER REPORTED WEAK BATTERY ALARM. NO HARM TO THE CUSTOMER REQUIRING MEDICAL INTERVENTION REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: Insufficient Information

  MAUDE report 11622715 ↗
• MalfunctionMar 12, 2021Mechanical Problem; Mechanical Problem

  INFORMATION RECEIVED BY MED INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD MOTOR ERROR ALARM. CUSTOMER STATED THAT DRIVE SUPPORT CAP WAS NORMAL, INSULIN PUMP WAS NOT EXPOSED TO A HIGH MAGNETIC FIELD AND DECLINED MOTOR POSITION ENCODER ERROR ALERT. THE DISPLACEMENT TEST WAS PASSED. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: Insufficient Information

  MAUDE report 11469354 ↗
• MalfunctionMar 7, 2021Break; Break

  INFORMATION RECEIVED BY MEDTRONIC STATED THAT BUTTONS WORE OUT. NO HARM WAS REQUIRED DURING MEDICAL INTERVENTION. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 11430056 ↗
• MalfunctionFeb 18, 2021Mechanical 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 CRACK AROUND BATTERY PORT AND TOP OF THE PORT NEAR BATTERY CAP, NO DELIVERY ALARM. TROUBLESHOOTING WAS DECLINED. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 11341473 ↗
• MalfunctionFeb 8, 2021Moisture or Humidity Problem; Moisture or Humidity Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP WAS EXPOSED TO MOISTURE. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: Insufficient Information

  MAUDE report 11291689 ↗
• MalfunctionFeb 3, 2021Obstruction of Flow; Material Integrity Problem; Power Problem; Patient Device Interaction Problem; Obstruction of Flow; Material Integrity Problem; Power Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE SLIGHT CRACK IN PUMP SCREEN AND SLOT IN BATTERY CAP IS DAMAGED. INSULIN PUMP HAD NO DELIVERY ALARM. INSULIN PUMP REJECTED NEW BATTERIES. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: Insufficient Information

  MAUDE report 11271043 ↗
• MalfunctionDec 15, 2020Obstruction of Flow; Inappropriate or Unexpected Reset; Obstruction of Flow; Inappropriate or Unexpected Reset

  THE CUSTOMER REPORTED VIA PHONE CALL THAT THE INSULIN PUMP HAD MULTIPLE PUMP ERROR ALARMS. THE CUSTOMER ALSO REPORTED THAT THE THEY WERE ABLE TO CLEAR THE ALARM AND ABLE TO REWIND THE INSULIN PUMP. THE CUSTOMER ALSO REPORTED THAT THEIR WAS ANOTHER PUMP ERROR ALARM. THE DEVICE WILL NOT BE RETURNED FOR THE ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 11009629 ↗
• MalfunctionOct 27, 2020Obstruction of Flow; Battery Problem; Patient Device Interaction Problem; Obstruction of Flow; Battery Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A SCRATCHES ON THE SCREEN. THE CUSTOMER STATED THAT THE INSULIN PUMP REJECTED MORE BATTERIES. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10738954 ↗
• MalfunctionOct 19, 2020Mechanical Problem; Obstruction of Flow; Mechanical Problem; Obstruction of Flow

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD PUMP ERROR ALARM. CUSTOMER WAS ABLE TO CLEAR THE ALARM AND WAS ABLE TO COMPLETE REWIND. CUSTOMER REPORTED THAT THE DRIVE SUPPORT CAP APPEARED TO BE NORMAL. SELF TEST, DISPLACEMENT TEST AND MANUAL PRIME WERE SUCCESSFUL. 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 10695342 ↗
• MalfunctionOct 13, 2020Obstruction of Flow; Battery Problem; Power Problem; Patient Device Interaction Problem; Obstruction of Flow; Battery Problem; Power Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSU;IM PUMP HAD UNEXPLAINED NO DELIVERY ALARMS AND HAD CRACK ON BATTERY COMPARTMENT TOP. CUSTOMER STATED THAT INTO INSULIN PUMP GEAR WAS SLOWER WHEN PRIMING AND HAD MULTIPLE FAILED BATTERY TESTS HAPPENED MANY TIMES EVEN WITH FRESH NEW ROOM TEMPERATURE BATTERIES SOMETIMES LASTS LESS THAN A WEEK. 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 10668870 ↗
• MalfunctionOct 9, 2020Patient Device Interaction Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE RESERVOIR COMPARTMENT WAS CHIPPING. CUSTOMER REPORTED THAT THERE WAS PHYSICAL DAMAGE TO THE INSULIN PUMP'S RETAINER RING AND THE RESERVOIR WAS ABLE TO LOCK IN PLACE WHEN INSERTED INTO INSULIN PUMP. 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 10654481 ↗
• MalfunctionOct 5, 2020Patient Device Interaction Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THERE WAS CRACKED AND CHIPPED PIECES AT THE BATTERY COMPARTMENT. 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 10632344 ↗
• MalfunctionOct 5, 2020Mechanical Problem; Obstruction of Flow; Battery Problem; Mechanical Problem; Obstruction of Flow; Battery Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD RANDOM NO DELIVERY ALARM. CUSTOMER ALSO STATED THAT IT WAS LOUDER DURING REWIND PROCESS AND THERE WAS A CLICKING NOISE. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WILL WAS RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10632154 ↗
• MalfunctionSep 22, 2020Mechanical Problem; Obstruction of Flow; Power Problem; Patient Device Interaction Problem; Mechanical Problem; Obstruction of Flow; Power Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP RECEIVED NO DELIVERY ALARMS DURING BOLUS, HAD REJECTED NEW BATTERIES, HAD SCRATCHES ON THE SCREEN AND HAD TO REWIND TO RESET. 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 10565345 ↗
• MalfunctionSep 22, 2020Battery Problem; Patient Device Interaction Problem; Battery Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD CRACK ON THE BATTERY COMPARTMENT. CUSTOMER STATED THAT THE BATTERY LIFE DIMINISHED. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE INSULIN PUMP WAS RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10564988 ↗
• MalfunctionSep 17, 2020Mechanical Problem; Obstruction of Flow; Power Problem; Mechanical Problem; Obstruction of Flow; Power Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP HAD RANDOM AND UNEXPLAINED NO DELIVERY ALARM AND REJECT NEW BATTERY. CUSTOMER STATED THAT INSULIN PUMP REWINDS SLOWER THAN IN THE PAST. 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 10550930 ↗
• DeathSep 15, 2020Device Alarm System; Insufficient Flow or Under Infusion; Device Alarm System; Insufficient Flow or Under Infusion

  MEDTRONIC LEGAL RECEIVED INFORMATION REGARDING THE CUSTOMER¿S PASSING FROM THE ATTORNEY OF THE FAMILY. THE INFORMATION RECEIVED ON MARCH 9, 2020 STATED THE CUSTOMER'S NEXT OF KIN HAD FILED A LEGAL SUIT. THE AMENDED PETITION ALLEGES THAT THE MINIMED 530G PUMP SYSTEM CAUSED THE CUSTOMER'S PASSING IN THAT IT FAILED TO DELIVER OR DELIVERED AN INADEQUATE AMOUNT OF INSULIN CAUSING HIM TO BECOME HYPERGLYCEMIC, AND THAT NO ALARMS WERE TRIGGERED TO ALERT THE CUSTOMER OF THIS BEFORE THEY PASSED. THE NEXT OF KIN HAD PREVIOUSLY SPOKEN WITH MEDTRONIC AND STATED THE CUSTOMER'S CAUSE OF DEATH WAS PENDING THE MEDICAL EXAMINER'S FINDINGS, AND THAT THE CALLER WAS UNSURE IF THE CUSTOMER WAS WEARING THE PUMP AT THE TIME OF PASSING. FRN-UNK-RSVR, UNOMED SET.

  Patient problems: Death; Hyperglycemia

  MAUDE report 10533173 ↗
• MalfunctionSep 14, 2020Mechanical Problem; Environmental Compatibility Problem; Mechanical Problem; Environmental Compatibility Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD MOTOR ERROR ALARM DURING REWIND. THE CUSTOMER STATED THEY WERE ABLE TO CLEAR THE ALARM AND ABLE TO COMPLETE REWIND PROCESS. CUSTOMER REPORTED THAT INSULIN PUMP WAS EXPOSED TO HIGH MAGNETIC FIELD. THE CUSTOMER STATED THAT 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 10526843 ↗
• MalfunctionSep 11, 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 HAD DROPLETS UNDER THE LCD AND SCREEN WAS BLANK. 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 10519535 ↗
• MalfunctionSep 10, 2020Communication or Transmission Problem; Communication or Transmission Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT A MINIMED CONNECT THAT WAS UNABLE TO CONNECT. TRANSFER TO MINIMED CONNECT DEPARTMENT. 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 10512626 ↗
• MalfunctionSep 8, 2020Obstruction of Flow; Obstruction of Flow

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD NO DELIVERY ALARM DUE TO CHANGING SITE WHEN INSULIN WAS ALMOST 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 10505455 ↗

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