Reported Reactions

Devices › Heater, breathing system w/wo controller (not humidifier or nebulizer

Device brand name · Bze

Adult Dual-Heated Evaqua Breathing Circuit: medical device reports filed with FDA

151 reports name it, 2008–2013. Manufacturer given most often on reports: Fisher & Paykel Healthcare. Product code BZE.

151
device reports naming the brand
0% of all MAUDE reports · about 9 a year
0
reports, 12 months to August 2026
0 in the 12 months before
98.7%
classified as malfunction
95.6% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

151 medical device reports received by FDA name the brand "Adult Dual-Heated Evaqua Breathing Circuit" (bze); the manufacturer given most often on reports is Fisher & Paykel Healthcare; received from October 2008 to November 2013. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

0 reports arrived in the 12 months to August 2026, and none 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 (98.7%) and injury (1.3%); across all heater, breathing system w/wo controller (not humidifier or nebulizer reports (product code BZE) death is recorded in 0.3% and malfunction in 95.6%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are hole in material (27.2%), leak/splash (25.2%) and device operates differently than expected (14.6%). The patient problems coded most often are no patient involvement, cardiac arrest and encephalopathy. 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

No report naming Adult Dual-Heated Evaqua Breathing Circuit was received in the five years to August 2026; the latest was received in November 2013.

By year received

036712008: 420082009: 1520092010: 2120102011: 2020112012: 7120122013: 202013

Event type and report source

Event type, as classified on the report

Death0%0
Injury1.3%2
Malfunction98.7%149
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%151
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 3,558 reports carrying product code BZE. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Hole in material4127.2%5.6%
Leak/splashthe device leaked3825.2%21.6%
Device operates differently than expectedthe device behaved unexpectedly2214.6%7.6%
Air leak149.3%3.9%
Breakthe device broke64%5.3%
Connection problema connection problem64%2.7%
Device displays incorrect message53.3%1.7%
Bent42.6%0.8%
Device alarm system42.6%0.8%
Fluid/blood leak42.6%3.5%
Component missing32%1%
Disconnection32%4.6%
Crackthe device cracked21.3%15.2%
Device damaged prior to usethe device was damaged before use21.3%0.5%
Fitting problem21.3%0.3%
Insufficient heating21.3%5.1%
Material deformation21.3%0.2%
Material integrity problema problem with the device material21.3%0.3%
Partial blockage21.3%0.1%
Alarm, audible10.7%0.4%

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
No patient involvement5536.4%
Cardiac arrestthe heart stopped21.3%
Encephalopathy10.7%

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

In context

MeasureAdult Dual-Heated Evaqua Breathing CircuitProduct code BZEAll MAUDE reports
Reports1513,55826,136,888
Share of that pool—4.2%0%
Classified as death, per 1,000 reports039
Classified as injury1.3%3.1%36.2%
Classified as malfunction98.7%95.6%62.3%
Filed by the manufacturer100%97.7%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 BZE

BrandReportsLatest 12 monthsClassified as death
Infant Dual Heated Evaqua2 Breathing Circuit65500%
Adult Dual Heated Evaqua Breathing Circuit47800.2%
Adult Dual Heated Evaqua2 Breathing Circuit42400.2%
Fisher & Paykel Healthcare4,7803,3740.3%
Infant Dual-Heated Evaqua Breathing Circuit23700%
Adult Breathing Circuit29200.7%
Hudson Concha Neptune1,67900.1%
Fisher and Paykel Healthcare3331340%
Adult Dual Heated Breathing Circuit23200%
AirLife155372.6%
Respiratory Humidifier44801.8%

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 Adult Dual-Heated Evaqua Breathing Circuit reports

How many FDA reports name Adult Dual-Heated Evaqua Breathing Circuit?

151 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 0 in the latest 12 months.

What kinds of events are reported?

malfunction (98.7%) and injury (1.3%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

hole in material (27.2%), leak/splash (25.2%), device operates differently than expected (14.6%), air leak (9.3%) and break (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 Adult Dual-Heated Evaqua Breathing Circuit 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.