BEUDAMED
    FDA Adverse Event Malfunction Summary report: N

    PUMP 1886 780G OUS BLE PUMP MG/DL

    MDR report key: 23366619 · Received October 23, 2025

    Report

    Report Number
    2032227-2025-289480
    Event Type
    Malfunction
    Date Received
    October 23, 2025
    Date of Event
    October 6, 2025
    Report Date
    January 7, 2026
    Manufacturer
    MEDTRONIC PUERTO RICO OPERATIONS CO.
    Product Code
    OZP
    UDI-DI
    000076300063927301
    PMA / PMN Number
    EXEMPT
    Product Problem
    Yes
    Report Source
    Manufacturer report
    Reporter Location
    SP
    Reporter Occupation
    003

    Narratives

    Additional Manufacturer Narrative · 0

    PUMP WAS RECEIVED WITH A CRITICAL PUMP ERROR (OPEN BOOK IMAGE) ALARM. UNABLE TO PERFORM THE FUNCTIONAL TESTS, INCLUDING THE SELF TEST, SLEEP CURRENT MEASUREMENT, ACTIVE CURRENT MEASUREMENT, REWIND TEST, PRIME/SEATING TEST, BASIC OCCLUSION TEST, OCCLUSION TEST, FORCE SENSOR TEST AND DISPLACEMENT TEST DUE TO CRITICAL PUMP ERROR (OPEN BOOK IMAGE) ALARM. SUCCESSFULLY DOWNLOADED PUMP TRACES AND HISTORY FILE USING THUMP. CRITICAL PUMP ERROR (OPEN BOOK IMAGE) ALARM AND PUMP ERROR 35 ALARM CONFIRMED IN THE FORMATTED HISTORY FILE ON 10/06/2025 18:52:29.000 AND 10/06/2025 19:02:00.000. THE PUMP WAS CUT OPEN TO PERFORM VISUAL INSPECTION AND FOUND NO EVIDENCE OF PHYSICAL OR MOISTURE DAMAGE ON THE PCBA 1, PCBA 2, FORCE SENSOR, MOTOR AND VIBRATOR ASSEMBLY NOTED. FORCE SENSOR ZERO OFFSET WITHIN SPECIFICATION (23.02 MV). CRITICAL PUMP ERROR (OPEN BOOK IMAGE) ALARM AND PUMP ERROR 35 ALARM WERE CONFIRMED, PROBLEM ISOLATED ON THE ELECTRONIC ASSEMBLY. IN FURTHER REVIEW OF THE FORMATTED HISTORY FILE 2 DAYS PRIOR TO THE EVENT DATE OF 06-OCT-2025, THESE PUMP ERROR(S)/ALARM(S) WERE NOTED: INSERT BATTERY ALARM WAS FOUND ON: 10/06/2025 18:57:02.000, 10/06/2025 18:58:54.000. 10/06/2025 19:01:49.000, 10/06/2025 19:08:16.000. 10/06/2025 19:25:08.000. FAILED BATTERY ALERT/BATTERY FAILED ALARM WAS FOUND ON: 10/06/2025 18:57:20.000. 10/06/2025 19:00:11.000. POWER MANAGEMENT GRAPH WAS SUCCESSFULLY GENERATED. THE POWER MANAGEMENT TOOL CONFIRMED THE UNLOADED VOLTAGE (UL VLITH) AND LOADED VOLTAGE (LOADED VLITH) WERE WITHIN SPEC RANGE. INSERT BATTERY ALARM WAS EXPECTED SINCE THE BATTERY WAS REMOVED FROM THE PUMP. UPON CHECKING ON THE POWER DATA/DETAIL TRACE FILE, FAILED BATTERY ALERT/BATTERY FAILED ALARM WAS EXPECTED DUE TO PUMP BATTERY DOES NOT HAVE ENOUGH POWER. THE CUSTOMER HAD USED A NO POWER BATTERY. UNABLE TO TEST FOR FAILED BATTERY ALERT/BATTERY FAILED ALARM DUE TO CRITICAL PUMP ERROR (OPEN BOOK IMAGE) ALARM. FAILED BATTERY ALERT/BATTERY FAILED ALARM WAS UNKNOWN. LOSTSENSOR1ALERT (780) WAS FOUND ON: 10/06/2025 16:47:00.000. 10/06/2025 19:03:00.000. LOSTSENSOR2ALERT (781) WAS FOUND ON: 10/06/2025 17:03:00.000. SENSORSIGNALNOTFOUND (796) WAS FOUND ON: 10/06/2025 17:35:00.000. 10/06/2025 17:45:00.000. UNABLE TO TEST FOR LOST SENSOR ALERT AND SENSOR SIGNAL NOT FOUND DUE TO CRITICAL PUMP ERROR (OPEN BOOK IMAGE) ALARM. LOST SENSOR ALERT AND SENSOR SIGNAL NOT FOUND WERE UNKNOWN. THE MOLDING KNIT LINE DAMAGE (NEAR THE BELT CLIP PLATE) WAS ACCEPTABLE PER CASE ASSEMBLY COSMETIC SPECIFICATION, 10833007DOC. THE TEST SC1 CAP AND RESERVOIR LOCKED PROPERLY INTO RESERVOIR COMPARTMENT DURING TESTING. THE FOLLOWING WERE NOTED DURING VISUAL INSPECTION: A SCRATCHED CASE. UNABLE TO PERFORM THE REQUIRED TESTING DUE TO CRITICAL PUMP ERROR (OPEN BOOK IMAGE) ALARM. CRITICAL PUMP ERROR (OPEN BOOK IMAGE) ALARM CONFIRMED DUE TO FATAL ALARM PUMP ERROR 35. CRITICAL PUMP ERROR (OPEN BOOK IMAGE) ALARM AND PUMP ERROR 35 ALARM WERE CONFIRMED, PROBLEM ISOLATED ON THE ELECTRONIC ASSEMBLY. MEDTRONIC SUBMITS THIS REPORT TO COMPLY WITH FDA REGULATIONS 21 CFR PARTS 4 AND 803. MEDTRONIC HAS MADE REASONABLE EFFORTS TO PROVIDE AS MUCH RELEVANT INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE OF THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC, OR ITS EMPLOYEES CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. MEDTRONIC WILL SUBMIT A SUPPLEMENTAL REPORT IF ADDITIONAL RELEVANT INFORMATION BECOMES KNOWN.

    Additional Manufacturer Narrative · 0

    THIS MDR RELATED TO THE PUERTO RICO MANUFACTURING SITE HAS BEEN ASSIGNED A MEDWATCH NUMBER FROM THE MEDTRONIC MINIMED NORTHRIDGE SITE, PER VARIANCE 5. SELECT PATIENT INFORMATION CANNOT BE PROVIDED DUE TO REGIONAL PRIVACY REGULATIONS. THE REPORTED DEVICE IS NOT MARKETED IN THE UNITED STATES, BUT IT IS A SAME/SIMILAR DEVICE TO ONE THAT IS MARKETED INSIDE THE UNITED STATES. CURRENTLY IT IS UNKNOWN WHETHER OR NOT THE DEVICE MAY HAVE CAUSED OR CONTRIBUTED TO THE EVENT AS NO PRODUCT HAS BEEN RETURNED. THE DEVICE WILL BE RETURNED FOR ANALYSIS AND FURTHER INFORMATION WILL FOLLOW ONCE THE ANALYSIS HAS BEEN COMPLETED. NO CONCLUSION CAN BE DRAWN AT THIS TIME. MEDTRONIC SUBMITS THIS REPORT TO COMPLY WITH FDA REGULATIONS 21 CFR PARTS 4 AND 803. MEDTRONIC HAS MADE REASONABLE EFFORTS TO PROVIDE AS MUCH RELEVANT INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE OF THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC, OR ITS EMPLOYEES CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. MEDTRONIC WILL SUBMIT A SUPPLEMENTAL REPORT IF ADDITIONAL RELEVANT INFORMATION BECOMES KNOWN.

    Description of Event or Problem · 0

    IT WAS REPORTED TO MEDTRONIC MINIMED THAT THE CUSTOMER RECEIVED PUMP ERROR 35 (A BROKEN FORCE SENSOR WAS DETECTED DURING SEATING OR REGULAR DELIVERY). THE CUSTOMER REPORTED NO ADVERSE EVENT. THE EVENT INVOLVED PRODUCT(S) MMT-1886. TROUBLESHOOTING WAS PERFORMED, EXPLAINED THAT THE PUMP PERFORMS SAFETY CHECKS, AND AN ERROR WAS FOUND. NO HARM REQUIRING MEDICAL INTERVENTION WAS REPORTED. THE CUSTOMER WAS INSTRUCTED TO DISCONTINUE DEVICE USE AND REVERT TO THE BACKUP PLAN PER THE HEALTH CARE PROFESSIONAL'S INSTRUCTIONS. MMT-1886 WAS REQUESTED, AND THE CUSTOMER'S RESPONSE WAS THAT THE DEVICE WOULD BE RETURNED.

    Devices

    Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
    1505931 PUMP 1886 780G OUS BLE PUMP MG/DL AUTOMATED INSULIN DOSING DEVICE SYSTEM, SINGLE HORMONAL CONTROL OZP MEDTRONIC PUERTO RICO OPERATIONS CO. MMT-1886 NG3578536H 000076300063927301

    Patients

    Seq Age Sex Outcome Treatment
    1 30 YR Unknown