Reported Reactions

Devices › Oxygenator, cardiopulmonary bypass

Device brand name · Oxygenator cardiopulmonary bypass

Fusion Hollow Fiber Oxygenator: medical device reports filed with FDA

1,515 reports name it, 2019–2026. Manufacturer given most often on reports: Perfusion Systems. Product code DTZ.

1,515
device reports naming the brand
0% of all MAUDE reports · about 207 a year
996
reports, 12 months to August 2026
257 in the 12 months before
95.4%
classified as malfunction
78.2% across the product code
0.7%
classified as death, as reported
11 reports · not verified by FDA

FDA's MAUDE database holds 1,515 reports that name the brand "Fusion Hollow Fiber Oxygenator" (oxygenator cardiopulmonary bypass), received between March 2019 and August 2026; the manufacturer given most often on reports is Perfusion Systems. Spellings of one product vary from report to report.

996 reports arrived in the 12 months to August 2026, up 288% from 257 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 (95.4%), injury (3.9%) and death (0.7%); across all oxygenator, cardiopulmonary bypass reports (product code DTZ) death is recorded in 4.2% and malfunction in 78.2%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are fluid/blood leak (62.4%), increase in pressure (15.8%) and gas output problem (8.8%). The patient problems coded most often are hemorrhage/blood loss/bleeding, hypoxia and low blood pressure/ hypotension. 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

0196392Sep 2021: 0Oct 2021: 0Nov 2021: 0Dec 2021: 02022Jan 2022: 0Feb 2022: 0Mar 2022: 3Apr 2022: 2May 2022: 1Jun 2022: 4Jul 2022: 5Aug 2022: 5Sep 2022: 6Oct 2022: 4Nov 2022: 24Dec 2022: 352023Jan 2023: 14Feb 2023: 3Mar 2023: 6Apr 2023: 18May 2023: 18Jun 2023: 28Jul 2023: 4Aug 2023: 7Sep 2023: 1Oct 2023: 7Nov 2023: 5Dec 2023: 32024Jan 2024: 3Feb 2024: 5Mar 2024: 3Apr 2024: 9May 2024: 6Jun 2024: 6Jul 2024: 5Aug 2024: 7Sep 2024: 8Oct 2024: 18Nov 2024: 18Dec 2024: 42025Jan 2025: 14Feb 2025: 20Mar 2025: 18Apr 2025: 29May 2025: 24Jun 2025: 20Jul 2025: 34Aug 2025: 50Sep 2025: 41Oct 2025: 54Nov 2025: 67Dec 2025: 542026Jan 2026: 67Feb 2026: 56Mar 2026: 70Apr 2026: 64May 2026: 36Jun 2026: 51Jul 2026: 392Aug 2026: 44

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

03907802019: 320192020: 420202021: 820212022: 8920222023: 11420232024: 9220242025: 42520252026: 7802026

Event type and report source

Event type, as classified on the report

Death0.7%11
Injury3.9%59
Malfunction95.4%1,445
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%1,515
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 10,703 reports carrying product code DTZ. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Fluid/blood leak94562.4%23.8%
Increase in pressure23915.8%7%
Gas output problem1348.8%3.4%
Obstruction of flow1097.2%2.4%
Material separation996.5%1.6%
Crackthe device cracked473.1%2.6%
Air/gas in device453%1.4%
Material deformation412.7%1.1%
Material puncture/hole322.1%0.5%
Breakthe device broke70.5%3.3%
Delivered as unsterile product40.3%0.7%
Misassembled during installation40.3%0%
Gas/air leak30.2%0.5%
Insufficient device problem information30.2%0.7%
Contamination20.1%0.4%
Mechanical problema mechanical problem20.1%0.6%
Decrease in pressure10.1%0.8%
Infusion or flow problema problem with flow or infusion10.1%2.5%

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
Hemorrhage/blood loss/bleeding21614.3%
Hypoxialow oxygen100.7%
Low blood pressure/ hypotension80.5%
Abnormal blood gases40.3%
Air embolism40.3%
Anemialow red blood cells20.1%
Cardiac arrestthe heart stopped20.1%
Coagulation disorder20.1%
Low oxygen saturation20.1%
Stroke/cva20.1%
Ventilator dependent20.1%
Cardiovascular dysfunction/insufficiency10.1%
Disseminated intravascular coagulation (dic)10.1%
Hemolysis10.1%
Ischemia10.1%

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

In context

MeasureFusion Hollow Fiber OxygenatorProduct code DTZAll MAUDE reports
Reports1,51510,70326,136,888
Share of that pool—14.2%0%
Classified as death, per 1,000 reports7429
Classified as injury3.9%14.5%36.2%
Classified as malfunction95.4%78.2%62.3%
Filed by the manufacturer100%93.3%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 DTZ

BrandReportsLatest 12 monthsClassified as death
Capiox Fx Oxygenator40901.5%
Tubing Set33610414%
Sterile Fx25rwc W/ Res27902.5%
Sterile Fx25rec W/Res27701.4%
Affinity Nt Balance2711500.4%
Oxygenator Cardiopulmonary Bypass27404.7%
Hls Set Advanced215012.1%
Capiox FX Advance Hollow Fiber Oxygenator w Integrated AF w Hardshell Res.160686.3%
Hlm Tubing Set W/Bioline Coating43907.1%
Navilyst Medical25200.4%
Cardiovascular Procedure Kit55301.3%
Shunt Sensor Sys50071200.1%
AngioDynamics174141.7%
Heart Lung Machine1,8732833.7%
Apex876781.3%

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 Fusion Hollow Fiber Oxygenator reports

How many FDA reports name Fusion Hollow Fiber Oxygenator?

1,515 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 996 in the latest 12 months.

What kinds of events are reported?

malfunction (95.4%), injury (3.9%) and death (0.7%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

fluid/blood leak (62.4%), increase in pressure (15.8%), gas output problem (8.8%), obstruction of flow (7.2%) and material separation (6.5%). 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 Fusion Hollow Fiber Oxygenator 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.