Reported Reactions

Devices › Automated insulin dosing device system, single hormonal control

Device brand name · Automated insulin dosing device system single hormonal control

MiniMed 770G US System BLE Connect 3.0 mg/dL: medical device reports filed with FDA

84,685 reports name it, 2020–2026. Manufacturer given most often on reports: Medtronic Puerto Rico Operations. Product code OZP.

84,685
device reports naming the brand
0.3% of all MAUDE reports · about 14,964 a year
4,838
reports, 12 months to August 2026
7,598 in the 12 months before
83.4%
classified as malfunction
85.6% across the product code
0.2%
classified as death, as reported
207 reports · not verified by FDA

FDA's MAUDE database holds 84,685 reports that name the brand "MiniMed 770G US System BLE Connect 3.0 mg/dL" (automated insulin dosing device system single hormonal control), received between November 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.

4,838 reports arrived in the 12 months to August 2026, down 36% from 7,598 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 (83.4%), injury (16.4%) and death (0.2%); 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 (30.5%), break (16%) and no display/image (12.6%). 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

02,0114,022Sep 2021: 870Oct 2021: 558Nov 2021: 569Dec 2021: 7992022Jan 2022: 671Feb 2022: 993Mar 2022: 4,022Apr 2022: 1,093May 2022: 1,741Jun 2022: 2,665Jul 2022: 3,276Aug 2022: 2,421Sep 2022: 3,723Oct 2022: 1,106Nov 2022: 2,244Dec 2022: 4,0132023Jan 2023: 3,801Feb 2023: 1,747Mar 2023: 2,413Apr 2023: 3,861May 2023: 1,896Jun 2023: 2,853Jul 2023: 3,051Aug 2023: 3,060Sep 2023: 1,679Oct 2023: 1,847Nov 2023: 1,515Dec 2023: 1,1622024Jan 2024: 1,277Feb 2024: 1,295Mar 2024: 1,083Apr 2024: 950May 2024: 1,165Jun 2024: 1,025Jul 2024: 1,051Aug 2024: 947Sep 2024: 815Oct 2024: 680Nov 2024: 651Dec 2024: 8962025Jan 2025: 673Feb 2025: 357Mar 2025: 544Apr 2025: 579May 2025: 677Jun 2025: 546Jul 2025: 637Aug 2025: 543Sep 2025: 804Oct 2025: 495Nov 2025: 357Dec 2025: 4752026Jan 2026: 406Feb 2026: 380Mar 2026: 369Apr 2026: 351May 2026: 301Jun 2026: 262Jul 2026: 354Aug 2026: 284

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

014,44328,8852020: 9720202021: 6,50620212022: 27,96820222023: 28,88520232024: 11,83520242025: 6,68720252026: 2,7072026

Event type and report source

Event type, as classified on the report

Death0.2%207
Injury16.4%13,864
Malfunction83.4%70,614
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%84,685
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 problem25,82430.5%15.8%
Breakthe device broke13,54216%16.1%
No display/image10,70512.6%7.1%
Obstruction of flow9,32811%11.7%
Material integrity problema problem with the device material5,9227%7.2%
Mechanical problema mechanical problem5,8076.9%5.3%
Battery problema problem with the battery5,2876.2%5.2%
Moisture or humidity problem5,2486.2%3.9%
Circuit failure2,9603.5%2.2%
Device difficult to program or calibrate2,8643.4%2.7%
Display or visual feedback problem2,4892.9%2.2%
Computer software problema software problem2,2212.6%2%
Key or button unresponsive/not working2,0412.4%3.3%
Insufficient flow or under infusion1,9042.2%2.5%
Insufficient device problem information1,5051.8%1.4%
Wireless communication problema wireless connection problem1,2461.5%5.2%
Loss of data1,2331.5%0.8%
Device alarm system1,0771.3%2%
Electrical /electronic property probleman electrical or electronic problem1,0451.2%1%
Fracturea broken bone9321.1%1.4%

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 sugar14,43517%
Hypoglycemialow blood sugar4,7115.6%
Elevated ketones/ diabetic ketoacidosis1,4191.7%
Vomitingbeing sick4860.6%
Nauseafeeling sick4790.6%
Fatiguetiredness3580.4%
Malaisegeneral feeling of being unwell3480.4%
Headachehead pain3050.4%
Confusion/ disorientation2940.3%
Polydipsia2760.3%
Loss of consciousnesspassing out2640.3%
Abdominal painstomach or belly pain1530.2%
Painpain, site not specified1490.2%
Shaking/tremors1450.2%
Dyspneashortness of breath1050.1%

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

In context

MeasureMiniMed 770G US System BLE Connect 3.0 mg/dLProduct code OZPAll MAUDE reports
Reports84,685893,21526,136,888
Share of that pool—9.5%0.3%
Classified as death, per 1,000 reports219
Classified as injury16.4%14.3%36.2%
Classified as malfunction83.4%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%
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%
Unknown NGP9,0253,9820.8%

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 US System BLE Connect 3.0 mg/dL reports

How many FDA reports name MiniMed 770G US System BLE Connect 3.0 mg/dL?

84,685 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 4,838 in the latest 12 months.

What kinds of events are reported?

malfunction (83.4%), injury (16.4%) and death (0.2%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

power problem (30.5%), break (16%), no display/image (12.6%), obstruction of flow (11%) and material integrity problem (7%). 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 US System BLE Connect 3.0 mg/dL 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.