Reported Reactions

Devices › Automated insulin dosing device system, single hormonal control

Device brand name · Artificial pancreas device system single hormonal control

Pump MMT-1780KPK 670G Pathway Black MG: medical device reports filed with FDA

224,556 reports name it, 2017–2026. Manufacturer given most often on reports: Medtronic Puerto Rico Operations. Product code OZP.

224,556
device reports naming the brand
0.9% of all MAUDE reports · about 24,734 a year
835
reports, 12 months to August 2026
2,555 in the 12 months before
78.8%
classified as malfunction
85.6% across the product code
0.2%
classified as death, as reported
475 reports · not verified by FDA

224,556 medical device reports received by FDA name the brand "Pump MMT-1780KPK 670G Pathway Black MG" (artificial pancreas device system single hormonal control); the manufacturer given most often on reports is Medtronic Puerto Rico Operations; received from June 2017 to August 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

835 reports arrived in the 12 months to August 2026, down 67% from 2,555 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 (78.8%), injury (21%) 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 patient device interaction problem (22.1%), break (20.6%) and power problem (11.9%). 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

09,39818,796Sep 2021: 2,585Oct 2021: 3,520Nov 2021: 2,187Dec 2021: 1,7972022Jan 2022: 975Feb 2022: 2,280Mar 2022: 8,596Apr 2022: 1,241May 2022: 1,837Jun 2022: 18,796Jul 2022: 6,434Aug 2022: 1,694Sep 2022: 2,170Oct 2022: 783Nov 2022: 1,213Dec 2022: 2,1432023Jan 2023: 1,836Feb 2023: 1,207Mar 2023: 936Apr 2023: 1,825May 2023: 921Jun 2023: 1,452Jul 2023: 854Aug 2023: 1,105Sep 2023: 684Oct 2023: 960Nov 2023: 820Dec 2023: 1,0022024Jan 2024: 917Feb 2024: 480Mar 2024: 621Apr 2024: 352May 2024: 499Jun 2024: 456Jul 2024: 931Aug 2024: 528Sep 2024: 419Oct 2024: 286Nov 2024: 409Dec 2024: 2672025Jan 2025: 206Feb 2025: 79Mar 2025: 161Apr 2025: 195May 2025: 164Jun 2025: 140Jul 2025: 126Aug 2025: 103Sep 2025: 122Oct 2025: 80Nov 2025: 56Dec 2025: 732026Jan 2026: 54Feb 2026: 77Mar 2026: 54Apr 2026: 49May 2026: 51Jun 2026: 79Jul 2026: 59Aug 2026: 81

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

026,17552,3502017: 2,48020172018: 24,62020182019: 45,07520192020: 52,35020202021: 30,09320212022: 48,16220222023: 13,60220232024: 6,16520242025: 1,50520252026: 5042026

Event type and report source

Event type, as classified on the report

Death0.2%475
Injury21%47,224
Malfunction78.8%176,857
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%224,556
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
Patient device interaction problem49,66522.1%7%
Breakthe device broke46,31720.6%16.1%
Power problem26,62711.9%15.8%
Material integrity problema problem with the device material19,9728.9%7.2%
No display/image18,4858.2%7.1%
Connection problema connection problem14,9636.7%2.3%
Obstruction of flow10,9984.9%11.7%
Mechanical problema mechanical problem10,0324.5%5.3%
Device difficult to program or calibrate9,4654.2%2.7%
Device alarm system9,0664%2%
Moisture or humidity problem7,9543.5%3.9%
Battery problema problem with the battery5,5882.5%5.2%
Circuit failure4,8282.2%2.2%
Display or visual feedback problem3,5141.6%2.2%
Computer software problema software problem2,8471.3%2%
Communication or transmission problemthe device could not communicate or transmit2,6471.2%2.3%
Insufficient flow or under infusion2,5851.2%2.5%
Device displays incorrect message2,2501%0.4%
Insufficient device problem information1,9310.9%1.4%
Excess flow or over-infusion1,5010.7%1.1%

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 sugar39,95017.8%
Hypoglycemialow blood sugar16,1017.2%
Elevated ketones/ diabetic ketoacidosis3,4551.5%
Nauseafeeling sick1,2980.6%
Blood loss1,2290.5%
Vomitingbeing sick1,1950.5%
Appropriate clinical signs, symptoms and conditions term/code not available7060.3%
Abdominal painstomach or belly pain4830.2%
Loss of consciousnesspassing out4640.2%
Dyspneashortness of breath3730.2%
Headachehead pain3000.1%
Painpain, site not specified2970.1%
Polydipsia2530.1%
Fatiguetiredness2440.1%
Deaththe patient died; cause not stated by this term1850.1%

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

In context

MeasurePump MMT-1780KPK 670G Pathway Black MGProduct code OZPAll MAUDE reports
Reports224,556893,21526,136,888
Share of that pool—25.1%0.9%
Classified as death, per 1,000 reports219
Classified as injury21%14.3%36.2%
Classified as malfunction78.8%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
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%
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 Pump MMT-1780KPK 670G Pathway Black MG reports

How many FDA reports name Pump MMT-1780KPK 670G Pathway Black MG?

224,556 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 835 in the latest 12 months.

What kinds of events are reported?

malfunction (78.8%), injury (21%) and death (0.2%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

patient device interaction problem (22.1%), break (20.6%), power problem (11.9%), material integrity problem (8.9%) and no display/image (8.2%). 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 Pump MMT-1780KPK 670G Pathway Black MG 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.