Reported Reactions

Devices › Dilator, catheter, ureteral

Device brand name · Dilator catheter ureteral

UroMax Ultra: medical device reports filed with FDA

158 reports name it, 2005–2026. Manufacturer given most often on reports: Boston Scientific. Product code EZN.

158
device reports naming the brand
0% of all MAUDE reports · about 8 a year
9
reports, 12 months to August 2026
12 in the 12 months before
80.4%
classified as malfunction
73.6% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

158 medical device reports received by FDA name the brand "UroMax Ultra" (dilator catheter ureteral); the manufacturer given most often on reports is Boston Scientific; received from October 2005 to August 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

9 reports arrived in the 12 months to August 2026, down 25% from 12 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 (80.4%) and injury (19%); across all dilator, catheter, ureteral reports (product code EZN) death is recorded in 0.5% and malfunction in 73.6%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are kinked (7.6%), material puncture/hole (7.6%) and leak/splash (7%). The patient problems coded most often are fever, hematuria and laceration(s). 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

0611Sep 2021: 3Oct 2021: 0Nov 2021: 1Dec 2021: 12022Jan 2022: 0Feb 2022: 0Mar 2022: 0Apr 2022: 0May 2022: 2Jun 2022: 0Jul 2022: 0Aug 2022: 0Sep 2022: 0Oct 2022: 2Nov 2022: 0Dec 2022: 12023Jan 2023: 0Feb 2023: 0Mar 2023: 2Apr 2023: 0May 2023: 1Jun 2023: 1Jul 2023: 0Aug 2023: 2Sep 2023: 0Oct 2023: 0Nov 2023: 3Dec 2023: 02024Jan 2024: 0Feb 2024: 1Mar 2024: 1Apr 2024: 1May 2024: 1Jun 2024: 11Jul 2024: 0Aug 2024: 0Sep 2024: 1Oct 2024: 1Nov 2024: 0Dec 2024: 02025Jan 2025: 3Feb 2025: 5Mar 2025: 0Apr 2025: 0May 2025: 1Jun 2025: 1Jul 2025: 0Aug 2025: 0Sep 2025: 0Oct 2025: 4Nov 2025: 1Dec 2025: 02026Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 1May 2026: 0Jun 2026: 0Jul 2026: 1Aug 2026: 2

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

09172005: 820052011: 112012: 1320122013: 82014: 620142015: 72016: 620162017: 122018: 620182019: 112020: 820202021: 122022: 520222023: 92024: 1720242025: 152026: 42026

Event type and report source

Event type, as classified on the report

Death0%0
Injury19%30
Malfunction80.4%127
Other0%0
Not given0.6%1

Who filed the report

Manufacturer report96.2%152
Voluntary report0.6%1
User facility report0%0
Distributor report0%0
Not given3.2%5

Grey bar: all 1,112 reports carrying product code EZN. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Kinkedthe tube or line kinked127.6%4%
Material puncture/hole127.6%3.1%
Leak/splashthe device leaked117%6.8%
Burst container or vessel85.1%14.5%
Inflation problem85.1%10.3%
Material deformation31.9%0.4%
Fluid/blood leak21.3%6.6%
Material split, cut or torn21.3%0.6%
Bent10.6%1.7%
Crackthe device cracked10.6%0.4%
Deformation due to compressive stress10.6%0%
Device contaminated during manufacture or shipping10.6%0.4%
Device contamination with chemical or other material10.6%0.9%
Device packaging compromised10.6%0.7%
Hole in material10.6%2.2%
Material integrity problema problem with the device material10.6%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)ReportsShare
Fever42.5%
Hematuria42.5%
Laceration(s)42.5%
Sepsisa severe body-wide response to infection21.3%
Abscessa collection of pus10.6%
Anemialow red blood cells10.6%
Appropriate clinical signs, symptoms and conditions term/code not available10.6%
Hemorrhage/blood loss/bleeding10.6%
Obstruction/occlusion10.6%
Perforation10.6%
Skin inflammation/ irritation10.6%
Urinary tract infectionbladder or urinary infection10.6%

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

In context

MeasureUroMax UltraProduct code EZNAll MAUDE reports
Reports1581,11226,136,888
Share of that pool—14.2%0%
Classified as death, per 1,000 reports059
Classified as injury19%24.6%36.2%
Classified as malfunction80.4%73.6%62.3%
Filed by the manufacturer96.2%93.2%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 EZN

BrandReportsLatest 12 monthsClassified as death
Bard X-Force Balloon Dilation Catheter240220%
Percuflex Plus458500.4%
Rusch28501.8%

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 UroMax Ultra reports

How many FDA reports name UroMax Ultra?

158 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 9 in the latest 12 months.

What kinds of events are reported?

malfunction (80.4%) and injury (19%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

kinked (7.6%), material puncture/hole (7.6%), leak/splash (7%), burst container or vessel (5.1%) and inflation problem (5.1%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (96.2%) and voluntary reports (0.6%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that UroMax Ultra 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.