Reported Reactions

Devices › Automated insulin dosing device system, single hormonal control

Device brand name · Artificial pancreas device system single hormonal control

Xmtr Mmt-7811xww Gst3c Ous: medical device reports filed with FDA

16,414 reports name it, 2022–2026. Manufacturer given most often on reports: Medtronic Minimed. Product code OZP.

16,414
device reports naming the brand
0.1% of all MAUDE reports · about 3,724 a year
111
reports, 12 months to August 2026
416 in the 12 months before
99.9%
classified as malfunction
85.6% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

16,414 medical device reports received by FDA name the brand "Xmtr Mmt-7811xww Gst3c Ous" (artificial pancreas device system single hormonal control); the manufacturer given most often on reports is Medtronic Minimed; received from February 2022 to August 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

111 reports arrived in the 12 months to August 2026, down 73% from 416 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 (99.9%) and injury (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 wireless communication problem (78.1%), communication or transmission problem (39.4%) and battery problem (9.7%). The patient problems coded most often are hyperglycemia, hypoglycemia and discomfort. 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

01,9673,933Sep 2021: 0Oct 2021: 0Nov 2021: 0Dec 2021: 02022Jan 2022: 0Feb 2022: 2Mar 2022: 1,913Apr 2022: 104May 2022: 273Jun 2022: 176Jul 2022: 383Aug 2022: 288Sep 2022: 624Oct 2022: 168Nov 2022: 346Dec 2022: 5042023Jan 2023: 2,607Feb 2023: 3,933Mar 2023: 452Apr 2023: 503May 2023: 256Jun 2023: 335Jul 2023: 396Aug 2023: 381Sep 2023: 211Oct 2023: 280Nov 2023: 267Dec 2023: 1872024Jan 2024: 296Feb 2024: 219Mar 2024: 196Apr 2024: 162May 2024: 171Jun 2024: 80Jul 2024: 110Aug 2024: 64Sep 2024: 76Oct 2024: 58Nov 2024: 56Dec 2024: 552025Jan 2025: 49Feb 2025: 20Mar 2025: 17Apr 2025: 21May 2025: 17Jun 2025: 19Jul 2025: 19Aug 2025: 9Sep 2025: 31Oct 2025: 8Nov 2025: 5Dec 2025: 92026Jan 2026: 18Feb 2026: 7Mar 2026: 5Apr 2026: 4May 2026: 7Jun 2026: 4Jul 2026: 5Aug 2026: 8

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

04,9049,8082022: 4,78120222023: 9,80820232024: 1,54320242025: 22420252026: 582026

Event type and report source

Event type, as classified on the report

Death0%0
Injury0.1%22
Malfunction99.9%16,392
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%16,414
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
Wireless communication problema wireless connection problem12,81778.1%5.2%
Communication or transmission problemthe device could not communicate or transmit6,46939.4%2.3%
Battery problema problem with the battery1,5889.7%5.2%
Display or visual feedback problem9715.9%2.2%
Calibration problem4252.6%1.4%
Failure of device to self-test2381.4%0.5%
Incorrect, inadequate or imprecise result or readings1831.1%4.1%
Breakthe device broke1530.9%16.1%
Moisture or humidity problem220.1%3.9%
Inappropriate or unexpected reset180.1%0%
Computer software problema software problem40%2%
Unauthorized access to computer system40%0%
Material integrity problema problem with the device material30%7.2%
Manufacturing, packaging or shipping problem20%0.1%
Patient device interaction problem20%7%
Device markings/labelling problema problem with the device markings or label10%0.1%

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 sugar1280.8%
Hypoglycemialow blood sugar520.3%
Discomfortdiscomfort140.1%
Hemorrhage/blood loss/bleeding80%
Bone cement implantation syndrome50%
Appropriate clinical signs, symptoms and conditions term/code not available30%
Elevated ketones/ diabetic ketoacidosis30%
Rashskin rash20%
Abdominal painstomach or belly pain10%
Bruise/contusion10%
Chillschills or shivering10%
Convulsion, clonic10%
Headachehead pain10%
Hematomaa collection of blood under the skin or in tissue10%
Hypothermia10%

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

In context

MeasureXmtr Mmt-7811xww Gst3c OusProduct code OZPAll MAUDE reports
Reports16,414893,21526,136,888
Share of that pool—1.8%0.1%
Classified as death, per 1,000 reports019
Classified as injury0.1%14.3%36.2%
Classified as malfunction99.9%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%
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 Xmtr Mmt-7811xww Gst3c Ous reports

How many FDA reports name Xmtr Mmt-7811xww Gst3c Ous?

16,414 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 111 in the latest 12 months.

What kinds of events are reported?

malfunction (99.9%) and injury (0.1%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

wireless communication problem (78.1%), communication or transmission problem (39.4%), battery problem (9.7%), display or visual feedback problem (5.9%) and calibration problem (2.6%). 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 Xmtr Mmt-7811xww Gst3c Ous 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.