Reported Reactions

Devices › Automated insulin dosing device system, single hormonal control

Device brand name · Artificial pancreas device system single hormonal control

670G Insulin Pump MMT-1780KL: medical device reports filed with FDA

78,230 reports name it, 2018–2026. Manufacturer given most often on reports: Medtronic Puerto Rico Operations. Product code OZP.

78,230
device reports naming the brand
0.3% of all MAUDE reports · about 9,390 a year
1,121
reports, 12 months to August 2026
3,383 in the 12 months before
81.8%
classified as malfunction
85.6% across the product code
0.2%
classified as death, as reported
150 reports · not verified by FDA

78,230 medical device reports received by FDA name the brand "670G Insulin Pump MMT-1780KL" (artificial pancreas device system single hormonal control); the manufacturer given most often on reports is Medtronic Puerto Rico Operations; received from March 2018 to August 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

1,121 reports arrived in the 12 months to August 2026, down 67% from 3,383 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 (81.8%), injury (18%) 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 break (24.4%), power problem (24.1%) and obstruction of flow (13.4%). 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

02,4554,910Sep 2021: 1,276Oct 2021: 1,003Nov 2021: 833Dec 2021: 1,1852022Jan 2022: 725Feb 2022: 1,234Mar 2022: 4,910Apr 2022: 933May 2022: 1,453Jun 2022: 3,868Jul 2022: 2,694Aug 2022: 1,541Sep 2022: 2,304Oct 2022: 902Nov 2022: 1,498Dec 2022: 2,2612023Jan 2023: 2,331Feb 2023: 1,077Mar 2023: 1,170Apr 2023: 2,004May 2023: 1,185Jun 2023: 1,674Jul 2023: 1,365Aug 2023: 1,628Sep 2023: 1,056Oct 2023: 1,368Nov 2023: 1,062Dec 2023: 9562024Jan 2024: 891Feb 2024: 559Mar 2024: 627Apr 2024: 371May 2024: 558Jun 2024: 584Jul 2024: 783Aug 2024: 602Sep 2024: 547Oct 2024: 436Nov 2024: 404Dec 2024: 4622025Jan 2025: 249Feb 2025: 129Mar 2025: 207Apr 2025: 237May 2025: 211Jun 2025: 165Jul 2025: 185Aug 2025: 151Sep 2025: 213Oct 2025: 129Nov 2025: 72Dec 2025: 1352026Jan 2026: 88Feb 2026: 108Mar 2026: 75Apr 2026: 77May 2026: 50Jun 2026: 49Jul 2026: 81Aug 2026: 44

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

012,16224,3232018: 40320182019: 3,68820192020: 10,58020202021: 12,88120212022: 24,32320222023: 16,87620232024: 6,82420242025: 2,08320252026: 5722026

Event type and report source

Event type, as classified on the report

Death0.2%150
Injury18%14,081
Malfunction81.8%63,999
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%78,230
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
Breakthe device broke19,07124.4%16.1%
Power problem18,85324.1%15.8%
Obstruction of flow10,44813.4%11.7%
No display/image7,7569.9%7.1%
Mechanical problema mechanical problem6,5438.4%5.3%
Patient device interaction problem5,8947.5%7%
Device difficult to program or calibrate5,7717.4%2.7%
Material integrity problema problem with the device material4,7746.1%7.2%
Battery problema problem with the battery4,5605.8%5.2%
Moisture or humidity problem4,3145.5%3.9%
Display or visual feedback problem2,1802.8%2.2%
Connection problema connection problem1,8682.4%2.3%
Insufficient flow or under infusion1,3971.8%2.5%
Computer software problema software problem1,3581.7%2%
Device alarm system1,3281.7%2%
Key or button unresponsive/not working1,2981.7%3.3%
Circuit failure1,1901.5%2.2%
Communication or transmission problemthe device could not communicate or transmit9661.2%2.3%
Insufficient device problem information8621.1%1.4%
Priming problem8601.1%0.5%

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 sugar11,71515%
Hypoglycemialow blood sugar4,3575.6%
Elevated ketones/ diabetic ketoacidosis1,1741.5%
Nauseafeeling sick4870.6%
Vomitingbeing sick4330.6%
Appropriate clinical signs, symptoms and conditions term/code not available3570.5%
Loss of consciousnesspassing out2280.3%
Fatiguetiredness2000.3%
Headachehead pain1900.2%
Confusion/ disorientation1800.2%
Abdominal painstomach or belly pain1670.2%
Polydipsia1400.2%
Dyspneashortness of breath1330.2%
Malaisegeneral feeling of being unwell1300.2%
Blood loss1180.2%

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

In context

Measure670G Insulin Pump MMT-1780KLProduct code OZPAll MAUDE reports
Reports78,230893,21526,136,888
Share of that pool—8.8%0.3%
Classified as death, per 1,000 reports219
Classified as injury18%14.3%36.2%
Classified as malfunction81.8%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%
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 670G Insulin Pump MMT-1780KL reports

How many FDA reports name 670G Insulin Pump MMT-1780KL?

78,230 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 1,121 in the latest 12 months.

What kinds of events are reported?

malfunction (81.8%), injury (18%) and death (0.2%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

break (24.4%), power problem (24.1%), obstruction of flow (13.4%), no display/image (9.9%) and mechanical problem (8.4%). 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 670G Insulin Pump MMT-1780KL 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.