Devices › Dialyzer, capillary, hollow fiber
Device brand name · Dialyzer capillary hollow fiber
Polyflux: medical device reports filed with FDA
671 reports name it, 2022–2026. Manufacturer given most often on reports: Baxter Healthcare. Product code FJI.
- 671
- device reports naming the brand
- 0% of all MAUDE reports · about 152 a year
- 116
- reports, 12 months to August 2026
- 126 in the 12 months before
- 79.9%
- classified as malfunction
- 55.2% across the product code
- 0.3%
- classified as death, as reported
- 2 reports · not verified by FDA
671 medical device reports received by FDA name the brand "Polyflux" (dialyzer capillary hollow fiber); the manufacturer given most often on reports is Baxter Healthcare; 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.
116 reports arrived in the 12 months to August 2026, close to the 126 of 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 (79.9%), injury (19.8%) and death (0.3%); across all dialyzer, capillary, hollow fiber reports (product code FJI) death is recorded in 1.9% and malfunction in 55.2%. Event type is the reporter's classification of the report, not a verified outcome.
The device problems coded most often are fluid/blood leak (70.9%), device contamination with chemical or other material (8%) and break (6.1%). The patient problems coded most often are hypersensitivity/allergic reaction, dyspnea 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
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 8,433 reports carrying product code FJI. 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 |
|---|---|---|---|
| Fluid/blood leak | 476 | 70.9% | 35.6% |
| Device contamination with chemical or other material | 54 | 8% | 0.3% |
| Breakthe device broke | 41 | 6.1% | 0.9% |
| Crackthe device cracked | 37 | 5.5% | 2% |
| Material puncture/hole | 5 | 0.7% | 0% |
| Compatibility problem | 3 | 0.4% | 0% |
| Fracturea broken bone | 2 | 0.3% | 0.1% |
| Leak/splashthe device leaked | 2 | 0.3% | 21.2% |
| Air/gas in device | 1 | 0.1% | 0% |
| Contamination | 1 | 0.1% | 0% |
| Disconnection | 1 | 0.1% | 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) | Reports | Share |
|---|---|---|
| Hypersensitivity/allergic reaction | 104 | 15.5% |
| Dyspneashortness of breath | 46 | 6.9% |
| Low blood pressure/ hypotension | 36 | 5.4% |
| Chest painchest pain | 22 | 3.3% |
| Nauseafeeling sick | 20 | 3% |
| Diaphoresis | 18 | 2.7% |
| Discomfortdiscomfort | 15 | 2.2% |
| Vomitingbeing sick | 13 | 1.9% |
| Coughcough | 12 | 1.8% |
| Itching sensation | 11 | 1.6% |
| Tachycardiafast heart rate | 8 | 1.2% |
| High blood pressure/ hypertension | 7 | 1% |
| Abdominal painstomach or belly pain | 6 | 0.9% |
| Asthmaasthma | 6 | 0.9% |
| Dizzinesslight-headedness or unsteadiness | 6 | 0.9% |
Patient problem codes are present mainly in reports filed since 2019 and are often blank.
In context
| Measure | Polyflux | Product code FJI | All MAUDE reports |
|---|---|---|---|
| Reports | 671 | 8,433 | 26,136,888 |
| Share of that pool | — | 8% | 0% |
| Classified as death, per 1,000 reports | 3 | 19 | 9 |
| Classified as injury | 19.8% | 37.6% | 36.2% |
| Classified as malfunction | 79.9% | 55.2% | 62.3% |
| Filed by the manufacturer | 100% | 75.4% | 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 FJI
| Brand | Reports | Latest 12 months | Classified as death |
|---|---|---|---|
| Optiflux 180nre Dialyzer Finished Assy | 3,373 | 69 | 0.6% |
| Ct Gamma Dialyzer Ct 190g | 1,011 | 0 | 0.3% |
| Optiflux 160nre Dialyzer Finished Assy | 2,840 | 27 | 0.8% |
| Unknown Distributed Dialyzer | 362 | 0 | 0% |
| Terumo Taf175 Hf/Cr/1 75/M | 240 | 0 | 0% |
| Psn Dialyzer Psn 210 | 594 | 0 | 0.8% |
| Clirans Taf Hf Dialyzer | 212 | 0 | 0% |
| Ca-Hp Dialyzer Ca-Hp 210 | 177 | 0 | 1.1% |
| Optiflux 200nre Dialyzer Finished Assy | 386 | 5 | 0.5% |
| Terumo | 181 | 0 | 2.8% |
| Fresenius | 314 | 0 | 6.1% |
| Dialyzer | 270 | 69 | 2.2% |
| Baxter | 821 | 3 | 3.8% |
| Optiflux F250nre Dialyzer | 256 | 0 | 0.4% |
| Fusa F80a Hf/Ps/1 8/H | 166 | 0 | 1.2% |
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 Polyflux reports
How many FDA reports name Polyflux?
671 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 116 in the latest 12 months.
What kinds of events are reported?
malfunction (79.9%), injury (19.8%) and death (0.3%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.
What device problems are coded?
fluid/blood leak (70.9%), device contamination with chemical or other material (8%), break (6.1%), crack (5.5%) and material puncture/hole (0.7%). 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 Polyflux 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.