Medtronic MiniMed 530G MMT-751NASRecalls & reported problems

Summary

The FDA's MAUDE database contains 897 adverse event reports that list this exact device (DI 00643169736108), received between May 26, 2017 and Oct 28, 2020 — classified as 3 deaths, 320 injuries, 574 malfunctions.

The most frequently reported specific device problem is “Device Difficult to Program or Calibrate” (175 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 897 reports, in the reporter's own words as published by the FDA.

• MalfunctionOct 28, 2020Power Problem; Patient Device Interaction Problem; Power Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE CRACK NEAR THE RESERVOIR ENTRY, INSULIN PUMP HAD REJECTED BATTERIES ONCE. 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 10745170 ↗
• MalfunctionOct 8, 2020Patient Device Interaction Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE RETAINER RING AND AROUND THE BATTERY COMPARTMENT WAS CRACKED AND CHIPPED. 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 10647386 ↗
• MalfunctionAug 11, 2020Device Difficult to Program or Calibrate; Obstruction of Flow; Battery Problem; Power Problem; Patient Device Interaction Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Battery Problem; Power Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP BUTTONS SOMETIMES HAD TO PRESS MORE THAN ONCE. CUSTOMER STATED INSULIN PUMP HAD CRACK NEAR RESERVOIR PORT, REJECTED NEW BATTERIES, NO DELIVERY ALARM, BATTERIES SOMETIMES LAST LESS THAN WEEK. 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 10389195 ↗
• MalfunctionAug 7, 2020Insufficient Flow or Under Infusion; Insufficient Flow or Under Infusion

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A POSSIBLE UNDER DELIVERY. CUSTOMER STATED THAT INSULIN PUMP WAS NOT DELIVERING INSULIN WITH ANY CONSISTENCY. 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 10377325 ↗
• MalfunctionAug 6, 2020Mechanical Problem; Visual Prompts will not Clear; Obstruction of Flow; Power Problem; Mechanical Problem; Visual Prompts will not Clear; Obstruction of Flow; Power Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN SQUIRTS WHEN PRIMING. CUSTOMER STATED THAT THE INSULIN PUMP WAS SEIZED AND THE PART WAS MISSING IN THE INSULIN PUMP. CUSTOMER STATED THE INSULIN PUMP HAD UNEXPLAINED RANDOM NO DELIVERY ALARM AND INSULIN PUMP REJECTS NEW BATTERIES. 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 10377295 ↗
• MalfunctionAug 5, 2020Device Difficult to Program or Calibrate; Device Difficult to Program or Calibrate

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE ACT BUTTONS ON INSULIN PUMP WAS NOT RESPONDING PROPERLY. CUSTOMER STATED THAT THE TIME WAS ADVANCING. 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 10365943 ↗
• MalfunctionJul 28, 2020Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Power Problem; Priming Problem; Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Power Problem; Priming Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT ACT BUTTON OF INSULIN PUMP HAD TO PRESS HARDER. CUSTOMER STATED THAT MOTOR WAS STRUGGLING DURING REWIND. CUSTOMER STATED THAT THERE WAS ISSUE WITH PRIMING. CUSTOMER STATED THAT INSULIN DID NOT COME OUT. CUSTOMER ALSO STATED THAT INSULIN PUMP HAD RANDOM UNEXPLAINED NO DELIVERY ALARM. 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 10331439 ↗
• InjuryJul 28, 2020Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

  THE CUSTOMER REPORTED VIA PHONE CALL THAT CUSTOMER EXPERIENCED LOW BLOOD GLUCOSE LEVEL OF 48 MG/DL. THE CUSTOMER DRANK A (B)(6) AND BROUGHT IT BACK UP. THE CUSTOMER DECLINED TROUBLESHOOTING FOR LOW BLOOD GLUCOSE. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: Hypoglycemia

  MAUDE report 10330821 ↗
• MalfunctionJul 22, 2020Power Problem; Power Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A REPLACE BATTERY NOW ERROR ALARM WITHOUT A LOW BATTERY ALERT. THE CUSTOMER STATED THAT THE ISSUE RECURRED AFTER CHANGING THE BATTERIES OUT ON 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 10307120 ↗
• MalfunctionJul 17, 2020No Display/Image; Moisture or Humidity Problem; No Display/Image; Moisture or Humidity Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP WOULD NOT TURN ON AFTER BEING EXPOSED TO MOISTURE. THE CUSTOMER STATED THAT SHE FORGOT THE INSULIN PUMP WAS WITH HER AND SHE ACCIDENTALLY JUMPED INTO THE POOL. CUSTOMER REPORTED BLANK DISPLAY OCCURRED AND IT KEPT ON VIBRATING. CUSTOMER STATED INSULIN PUMP WAS VIBRATING WITHOUT AN ALARM OR ALERT AND INSULIN PUMP DISPLAY WENT BLANK IMMEDIATELY AFTER EXPOSED TO THE MOISTURE. 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 10287706 ↗
• MalfunctionJul 14, 2020Patient Device Interaction Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE SCREEN OF INSULIN PUMP HAD SCUFF MARKS THAT IMPAIRS VISIBILITY OF 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 10269742 ↗
• MalfunctionJul 8, 2020Display or Visual Feedback Problem; Device Difficult to Program or Calibrate; Battery Problem; Connection Problem; Power Problem; Insufficient Device Problem Information; Patient Device Interaction Problem; Priming Problem; Display or Visual Feedback Problem; Device Difficult to Program or Calibrate; Battery Problem; Connection Problem; Power Problem; Insufficient Device Problem Information; Patient Device Interaction Problem; Priming Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP'S ESC, UP AND DOWN BUTTONS WERE STICKY WHILE TRYING TO ENTER BOLUS. CUSTOMER STATED THAT THE INSULIN PUMP HAD SHOT OUT INSULIN WHILE PRIMING. INSULIN PUMP WAS TAKING LONGER TIME TO PRIME AND MAKING GRINDING NOISE. INSULIN PUMP HAD REJECTED BRAND NEW BATTERIES AND BATTERY LIFE WAS DIMINISHED. THE INSULIN PUMP WAS DEEMED. INSULIN PUMP HAD LOOSE RESERVOIR COMPARTMENT AND RESERVOIRS WERE FALLEN OUT. INSULIN PUMP HAD CODES. 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 10244615 ↗
• MalfunctionJul 6, 2020Connection Problem; Patient Device Interaction Problem; Connection Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE RESERVOIR LIP RING WAS CRACKED. CUSTOMER STATED THAT THE RESERVOIR WAS NOT ABLE TO LOCK IN PLACE WHEN INSERTED INTO 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 10232062 ↗
• MalfunctionJul 2, 2020Mechanical Problem; Device Difficult to Program or Calibrate; Power Problem; Mechanical Problem; Device Difficult to Program or Calibrate; Power Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD ISSUES WITH BUTTONS STICKING OR BEING DIFFICULT TO PRESS. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. CUSTOMER REPORTED THAT INSULIN PUMP HD REJECTED NEW BATTERY AND FAILED BATTERY TEST AND REWIND MORE THAN ONCE. THE INSULIN PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10223149 ↗
• MalfunctionJul 1, 2020Failure to Cycle; Failure to Cycle

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD A COMPROMISED FORCE SENSOR SYSTEM ALARM. CUSTOMER STATED THAT THE DRIVE SUPPORT CAP APPEARS 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 10217388 ↗
• MalfunctionJul 1, 2020Insufficient Flow or Under Infusion; Insufficient Flow or Under Infusion

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT INSULIN PUMP WAS NOT DELIVERING INSULIN AS IT SHOULD HAVE. CUSTOMER EXPERIENCING SLOWNESS OF INSULIN DELIVERY SINCE LAST 6 MOTH. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. INSULIN PUMP WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10216997 ↗
• InjuryJun 29, 2020No Apparent Adverse Event; No Apparent Adverse Event

  THE CUSTOMER REPORTED VIA PHONE CALL THAT THEY EXPERIENCED LOW BLOOD GLUCOSE. BLOOD GLUCOSE READING WAS 32 MG/DL. CUSTOMER¿S OTHER BLOOD GLUCOSE VALUES ARE 30 MG/DL TO 32 MG/DL. CUSTOMER WAS TREATED WITH FOOD FOR THEIR LOW. THE CUSTOMER STATED THAT BELT CLIP WAS CRACKED AND THEY WERE USING OLD INSULIN PUMP. THE PUMP WILL NOT BE RETURNED FOR ANALYSIS.

  Patient problems: Hypoglycemia

  MAUDE report 10210415 ↗
• MalfunctionJun 26, 2020Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Date/Time-Related Software Problem; Mechanical Problem; Device Difficult to Program or Calibrate; Obstruction of Flow; Date/Time-Related Software Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT BUTTONS OF INSULIN PUMP WERE STICKY, HARD TO PUSH AND UNRESPONSIVE. THE INSULIN PUMP HAD MOTOR ERROR ALARM AND ALSO RECEIVED UNEXPLAINED NO DELIVERY ALARMS. THE CLOCK RUNS SLOW AND HAD TO BE RESET TO CATCH UP. 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 10199051 ↗
• MalfunctionJun 25, 2020Mechanical Problem; Obstruction of Flow; Battery Problem; Mechanical Problem; Obstruction of Flow; Battery Problem

  CUSTOMER REPORTED VIA PHONE CALL UNEXPLAINED NO DELIVERY ALARMS, MOTOR ERROR ALARM AND DIMINISHED BATTERY LIFE ON THE INSULIN PUMP. TROUBLESHOOTING WAS NOT PERFORMED. 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 10193961 ↗
• MalfunctionJun 22, 2020Mechanical Problem; Obstruction of Flow; Mechanical Problem; Obstruction of Flow

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD MOTOR POSITION ENCODER ERROR ALARM AND NO DELIVERY ALARM. THE CUSTOMER STATED THAT INSULIN PUMP HAD MOTOR ERROR ALARM AND WHENEVER THE REWOUND INSULIN PUMP AND PASSED ALL TESTS IT SHOWS AGAIN MOTOR ERROR 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 10178145 ↗
• MalfunctionJun 19, 2020Patient Device Interaction Problem; Patient Device Interaction Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE DISPLAY WAS SCRATCHED AND HARD TO READ. 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 10172431 ↗
• MalfunctionJun 17, 2020Device Difficult to Program or Calibrate; Device Difficult to Program or Calibrate

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE BUTTONS WERE DIFFICULT TO PRESS AND IT WAS DIFFICULT TO BOLUS. 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 10161574 ↗
• MalfunctionJun 16, 2020Mechanical Problem; Mechanical Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD MOTOR ERROR ALARM AND A MOTOR POSITION ENCODER ERROR. CUSTOMER WAS ABLE TO SUCCESSFULLY CLEAR THE ALARM. CUSTOMER WAS ABLE TO COMPLETE PUMP REWIND. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10160219 ↗
• MalfunctionJun 1, 2020Mechanical Problem; Mechanical Problem

  INFORMATION RECEIVED BY MEDTRONIC INDICATED THAT THE INSULIN PUMP HAD MOTOR ERROR ALARM AND A MOTOR POSITION ENCODER ERROR. CUSTOMER WAS ABLE TO SUCCESSFULLY CLEAR THE ALARM. CUSTOMER WAS ABLE TO COMPLETE PUMP REWIND. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE DEVICE WILL BE RETURNED FOR ANALYSIS.

  Patient problems: No Consequences Or Impact To Patient

  MAUDE report 10104071 ↗
• InjuryMay 28, 2020Insufficient Flow or Under Infusion; Insufficient Flow or Under Infusion

  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 THE OTHER BLOOD GLUCOSE VALUES WERE 178 MG/DL, 190 MG/DL AND 200 MG/DL. CUSTOMER REPORTED THAT THEY ALLEGE INSULIN PUMP WAS UNDER DELIVERING. CUSTOMER WAS USING INSULIN PUMP SYSTEM WITHIN 48 HOURS OF REPORTED HIGH BLOOD GLUCOSE EVENT. CUSTOMER WAS NEITHER IN EMERGENCY ROOM, NOR ADMITTED INTO HOSPITAL, NOR WAS EMERGENCY MEDICAL SERVICE DISPATCHED AS A RESULT OF HIGH BLOOD GLUCOSE. CUSTOMER TREATED WITH BOLUS. CUSTOMER PERFORMED DISPLACEMENT TEST AND TEST WAS PASSED. CUSTOMER REPORTED THAT RESERVOIR HAD AIR BUBBLES. CUSTOMER REPORTED THAT SMALL BUBBLES INTO A LARGE ONE THEN SLOWLY PUSH ON THE PLUNGER OF THE RESERVOIR TO REMOVE AIR BUBBLES. AIR BUBBLES WERE SUCCESSFULLY REMOVED. 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 10094858 ↗

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