Devices › System, endovascular graft, aortic aneurysm treatment
Device brand name · Mih system endovascular graft aortic aneurysm treatment
Zenith Flex Aaa Endovascular Graft Iliac Leg: medical device reports filed with FDA
325 reports name it, 2009–2025. Manufacturer given most often on reports: Cook. Product code MIH.
- 325
- device reports naming the brand
- 0% of all MAUDE reports · about 19 a year
- 1
- reports, 12 months to August 2026
- 2 in the 12 months before
- 16%
- classified as malfunction
- 14.8% across the product code
- 3.7%
- classified as death, as reported
- 12 reports · not verified by FDA
325 medical device reports received by FDA name the brand "Zenith Flex Aaa Endovascular Graft Iliac Leg" (mih system endovascular graft aortic aneurysm treatment); the manufacturer given most often on reports is Cook; received from February 2009 to November 2025. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.
1 reports arrived in the 12 months to August 2026, down 50% from 2 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 injury (80%), malfunction (16%) and death (3.7%); across all system, endovascular graft, aortic aneurysm treatment reports (product code MIH) death is recorded in 9.8% and malfunction in 14.8%. Event type is the reporter's classification of the report, not a verified outcome.
The device problems coded most often are leak/splash (35.4%), occlusion within device (26.5%) and other (for use when an appropriate device code cannot be identified) (4%). The patient problems coded most often are occlusion, surgical procedure, additional and blood loss. 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
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
Event type and report source
Event type, as classified on the report
Who filed the report
Grey bar: all 72,039 reports carrying product code MIH. Event type is the filer's classification and is not verified by FDA.
Device problems coded
| Device problem (FDA code) | Reports | Share | Share across product code |
|---|---|---|---|
| Leak/splashthe device leaked | 115 | 35.4% | 33.8% |
| Occlusion within devicethe device blocked | 86 | 26.5% | 5.4% |
| Other (for use when an appropriate device code cannot be identified) | 13 | 4% | 1.4% |
| Kinkedthe tube or line kinked | 12 | 3.7% | 1.7% |
| Migration or expulsion of device | 9 | 2.8% | 6.1% |
| Material rupture | 5 | 1.5% | 0.2% |
| Difficult or delayed positioning | 4 | 1.2% | 1.4% |
| Disconnection | 4 | 1.2% | 0.2% |
| Explanted | 4 | 1.2% | 1.4% |
| Difficult to insertthe device was hard to insert | 3 | 0.9% | 1% |
| Material perforation | 2 | 0.6% | 0.1% |
| Material separation | 2 | 0.6% | 1% |
| Misplacement | 2 | 0.6% | 0.1% |
| Difficult to advance | 1 | 0.3% | 0.6% |
| Difficult to position | 1 | 0.3% | 1.5% |
| Difficult to removethe device was hard to remove | 1 | 0.3% | 2.6% |
| Incorrect measurementthe device measured wrongly | 1 | 0.3% | 0% |
| Insulation, hole(s) in | 1 | 0.3% | 0% |
| Malfunction | 1 | 0.3% | 0% |
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) | Reports | Share |
|---|---|---|
| Occlusion | 64 | 19.7% |
| Surgical procedure, additional | 44 | 13.5% |
| Blood loss | 21 | 6.5% |
| Other (for use when an appropriate patient code cannot be identified) | 15 | 4.6% |
| Deaththe patient died; cause not stated by this term | 9 | 2.8% |
| Surgery, prolonged | 9 | 2.8% |
| Rupturethe device burst | 8 | 2.5% |
| Thrombosis | 5 | 1.5% |
| Stenosis | 4 | 1.2% |
| Hemorrhage/blood loss/bleeding | 3 | 0.9% |
| Transfusion of blood products | 3 | 0.9% |
| Blood pressure, decreased | 2 | 0.6% |
| Painpain, site not specified | 2 | 0.6% |
| Thrombus | 2 | 0.6% |
| Bleeding | 1 | 0.3% |
Patient problem codes are present mainly in reports filed since 2019 and are often blank.
In context
| Measure | Zenith Flex Aaa Endovascular Graft Iliac Leg | Product code MIH | All MAUDE reports |
|---|---|---|---|
| Reports | 325 | 72,039 | 26,136,888 |
| Share of that pool | — | 0.5% | 0% |
| Classified as death, per 1,000 reports | 37 | 98 | 9 |
| Classified as injury | 80% | 74.9% | 36.2% |
| Classified as malfunction | 16% | 14.8% | 62.3% |
| Filed by the manufacturer | 100% | 99% | 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 MIH
| Brand | Reports | Latest 12 months | Classified as death |
|---|---|---|---|
| GORE EXCLUDER AAA Endoprosthesis | 9,590 | 633 | 4.8% |
| Afx | 3,584 | 30 | 5% |
| Gore Tag Thoracic Endoprosthesis | 2,829 | 4 | 14.7% |
| Endurant | 1,861 | 0 | 14.7% |
| Endurant Iis Bifurcated Stent Graft | 1,706 | 121 | 11.6% |
| Valiant Captivia - FF | 1,532 | 95 | 15.1% |
| GORE TAG Conformable Thoracic Stent Graft with ACTIVE CONTROL System | 1,474 | 311 | 7.7% |
| Endurant Stent Graft | 1,471 | 56 | 10% |
| Afx2 | 1,263 | 123 | 6.4% |
| Medtronic Aneurx Bifurcated Stent Graft Flexible | 1,263 | 0 | 9.7% |
| Zenith Flex AAA Endovascular Graft Bifurcated Main Body | 1,172 | 15 | 6.1% |
| Valiant Navion | 1,149 | 40 | 17.4% |
| Ancure Endograft System | 1,126 | 0 | 5.1% |
| Endurant Abdominal Stent Graft System | 997 | 0 | 12.9% |
| Afx System | 882 | 0 | 8.4% |
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 Zenith Flex Aaa Endovascular Graft Iliac Leg reports
How many FDA reports name Zenith Flex Aaa Endovascular Graft Iliac Leg?
325 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 1 in the latest 12 months.
What kinds of events are reported?
injury (80%), malfunction (16%) and death (3.7%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.
What device problems are coded?
leak/splash (35.4%), occlusion within device (26.5%), other (for use when an appropriate device code cannot be identified) (4%), kinked (3.7%) and migration or expulsion of device (2.8%). 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 Zenith Flex Aaa Endovascular Graft Iliac Leg 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.