Reported Reactions

Devices › Automated insulin dosing device system, single hormonal control

Device brand name · Artificial pancreas device system single hormonal control

MiniMed 770G OUS System BLE Connect 3.0 mmol/L: medical device reports filed with FDA

7,558 reports name it, 2020–2026. Manufacturer given most often on reports: Medtronic Puerto Rico Operations. Product code OZP.

7,558
device reports naming the brand
0% of all MAUDE reports · about 1,355 a year
500
reports, 12 months to August 2026
765 in the 12 months before
93.2%
classified as malfunction
85.6% across the product code
0.1%
classified as death, as reported
6 reports · not verified by FDA

FDA's MAUDE database holds 7,558 reports that name the brand "MiniMed 770G OUS System BLE Connect 3.0 mmol/L" (artificial pancreas device system single hormonal control), received between December 2020 and August 2026; the manufacturer given most often on reports is Medtronic Puerto Rico Operations. Spellings of one product vary from report to report.

500 reports arrived in the 12 months to August 2026, down 35% from 765 in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are malfunction (93.2%), injury (6.7%) and death (0.1%); across all automated insulin dosing device system, single hormonal control reports (product code OZP) death is recorded in 0.1% and malfunction in 85.6%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are power problem (30.6%), break (19.5%) and material integrity problem (12.1%). The patient problems coded most often are hyperglycemia, hypoglycemia and elevated ketones/ diabetic ketoacidosis. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Reports by month, five years

0240480Sep 2021: 88Oct 2021: 69Nov 2021: 60Dec 2021: 1072022Jan 2022: 84Feb 2022: 120Mar 2022: 480Apr 2022: 118May 2022: 154Jun 2022: 215Jul 2022: 469Aug 2022: 196Sep 2022: 373Oct 2022: 108Nov 2022: 201Dec 2022: 2962023Jan 2023: 228Feb 2023: 163Mar 2023: 226Apr 2023: 237May 2023: 165Jun 2023: 178Jul 2023: 190Aug 2023: 182Sep 2023: 124Oct 2023: 127Nov 2023: 123Dec 2023: 762024Jan 2024: 120Feb 2024: 98Mar 2024: 97Apr 2024: 79May 2024: 155Jun 2024: 51Jul 2024: 150Aug 2024: 90Sep 2024: 89Oct 2024: 68Nov 2024: 81Dec 2024: 852025Jan 2025: 65Feb 2025: 30Mar 2025: 48Apr 2025: 82May 2025: 56Jun 2025: 43Jul 2025: 56Aug 2025: 62Sep 2025: 85Oct 2025: 40Nov 2025: 19Dec 2025: 522026Jan 2026: 25Feb 2026: 67Mar 2026: 35Apr 2026: 30May 2026: 35Jun 2026: 35Jul 2026: 47Aug 2026: 30

Reports by the month FDA received them. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases.

By year received

01,4072,8142020: 920202021: 61120212022: 2,81420222023: 2,01920232024: 1,16320242025: 63820252026: 3042026

Event type and report source

Event type, as classified on the report

Death0.1%6
Injury6.7%509
Malfunction93.2%7,043
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%7,558
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 893,215 reports carrying product code OZP. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Power problem2,30930.6%15.8%
Breakthe device broke1,47319.5%16.1%
Material integrity problema problem with the device material91712.1%7.2%
No display/image91212.1%7.1%
Moisture or humidity problem6899.1%3.9%
Mechanical problema mechanical problem6789%5.3%
Obstruction of flow5757.6%11.7%
Circuit failure3064%2.2%
Computer software problema software problem2983.9%2%
Battery problema problem with the battery2783.7%5.2%
Device difficult to program or calibrate2773.7%2.7%
Display or visual feedback problem1972.6%2.2%
Insufficient device problem information1802.4%1.4%
Loss of data1642.2%0.8%
Insufficient flow or under infusion1532%2.5%
Electrical /electronic property probleman electrical or electronic problem1321.7%1%
Visual prompts will not clear1171.5%0.6%
Device alarm system1111.5%2%
Key or button unresponsive/not working1081.4%3.3%
Unintended movement851.1%0.6%

FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.

Patient problems coded

Patient problem (FDA code)ReportsShare
Hyperglycemiahigh blood sugar81610.8%
Hypoglycemialow blood sugar1812.4%
Elevated ketones/ diabetic ketoacidosis680.9%
Nauseafeeling sick310.4%
Vomitingbeing sick300.4%
Headachehead pain130.2%
Polydipsia120.2%
Confusion/ disorientation90.1%
Fatiguetiredness90.1%
Malaisegeneral feeling of being unwell90.1%
Dizzinesslight-headedness or unsteadiness70.1%
Abdominal painstomach or belly pain40.1%
Coma40.1%
Loss of consciousnesspassing out40.1%
Appropriate clinical signs, symptoms and conditions term/code not available30%

Patient problem codes are present mainly in reports filed since 2019 and are often blank.

In context

MeasureMiniMed 770G OUS System BLE Connect 3.0 mmol/LProduct code OZPAll MAUDE reports
Reports7,558893,21526,136,888
Share of that pool—0.8%0%
Classified as death, per 1,000 reports119
Classified as injury6.7%14.3%36.2%
Classified as malfunction93.2%85.6%62.3%
Filed by the manufacturer100%99.9%94.9%

Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Other brands with product code OZP

BrandReportsLatest 12 monthsClassified as death
Pump MMT-1780KPK 670G Pathway Black MG224,5568350.2%
MiniMed 780G US System BLE Connect 3.0 mg/dL112,81757,1400.1%
MiniMed 770G US System BLE Connect 3.0 mg/dL84,6854,8380.2%
Pump 1886 780G OUS BLE Pump mg/dL84,25936,8830%
670G Insulin Pump MMT-1780KL78,2301,1210.2%
MiniMed 780G OUS System BLE Connect 3.0 mmol/L66,71819,1940%
PUMP MMT-1884L MM780G BLE 3.0 mg/ml34,8469,7030.1%
Pump Mmt-1880l Mm770g Ble Mg24,0453,1480.2%
Pump Mmt-1782k 670g V4 11 Mm23,5871370.1%
Pump Mmt-1781k 670g V4 11 Mg17,0816170%
Xmtr Mmt-7811xww Gst3c Ous16,4141110%
MiniMed 780G OUS System BLE Connect 3.0 mg/dL14,4583400%
Xmtr MMT-7811NA GST3C Lockout17,012650%
Guardian Link 3 US11,3102290%
Pump Mmt-1780k 670g 3ml Black9,34590.2%

Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."

Questions about MiniMed 770G OUS System BLE Connect 3.0 mmol/L reports

How many FDA reports name MiniMed 770G OUS System BLE Connect 3.0 mmol/L?

7,558 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 500 in the latest 12 months.

What kinds of events are reported?

malfunction (93.2%), injury (6.7%) and death (0.1%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

power problem (30.6%), break (19.5%), material integrity problem (12.1%), no display/image (12.1%) and moisture or humidity problem (9.1%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (100%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that MiniMed 770G OUS System BLE Connect 3.0 mmol/L was at fault?

No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."

How do I report a problem with a medical device?

Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.