Reported Reactions

Devices › Ventilator, non-continuous (respirator)

Device brand name · Ventilator non-continuous respirator

BiPAP Pro BiFlex: medical device reports filed with FDA

2,056 reports name it, 2021–2026. Manufacturer given most often on reports: Respironics. Product code BZD.

2,056
device reports naming the brand
0% of all MAUDE reports · about 398 a year
631
reports, 12 months to August 2026
380 in the 12 months before
79.9%
classified as malfunction
80.7% across the product code
1.6%
classified as death, as reported
32 reports · not verified by FDA

2,056 medical device reports received by FDA name the brand "BiPAP Pro BiFlex" (ventilator non-continuous respirator); the manufacturer given most often on reports is Respironics; received from May 2021 to August 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

631 reports arrived in the 12 months to August 2026, up 66% from 380 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 (79.9%), injury (18.6%) and death (1.6%); across all ventilator, non-continuous (respirator) reports (product code BZD) death is recorded in 1.5% and malfunction in 80.7%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are degraded (99.1%), contamination (7.9%) and overheating of device (1.7%). The patient problems coded most often are cancer, headache and dizziness. 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

083166Sep 2021: 2Oct 2021: 0Nov 2021: 1Dec 2021: 32022Jan 2022: 10Feb 2022: 15Mar 2022: 9Apr 2022: 40May 2022: 68Jun 2022: 122Jul 2022: 166Aug 2022: 39Sep 2022: 31Oct 2022: 22Nov 2022: 39Dec 2022: 112023Jan 2023: 18Feb 2023: 10Mar 2023: 9Apr 2023: 9May 2023: 12Jun 2023: 9Jul 2023: 9Aug 2023: 7Sep 2023: 10Oct 2023: 11Nov 2023: 13Dec 2023: 162024Jan 2024: 10Feb 2024: 22Mar 2024: 25Apr 2024: 42May 2024: 67Jun 2024: 80Jul 2024: 56Aug 2024: 31Sep 2024: 10Oct 2024: 110Nov 2024: 36Dec 2024: 152025Jan 2025: 20Feb 2025: 105Mar 2025: 58Apr 2025: 9May 2025: 3Jun 2025: 9Jul 2025: 3Aug 2025: 2Sep 2025: 2Oct 2025: 3Nov 2025: 136Dec 2025: 82026Jan 2026: 48Feb 2026: 128Mar 2026: 108Apr 2026: 5May 2026: 11Jun 2026: 28Jul 2026: 139Aug 2026: 15

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

02865722021: 720212022: 57220222023: 13320232024: 50420242025: 35820252026: 4822026

Event type and report source

Event type, as classified on the report

Death1.6%32
Injury18.6%382
Malfunction79.9%1,642
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%2,056
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 303,240 reports carrying product code BZD. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Degraded2,03799.1%95.4%
Contamination1637.9%4.4%
Overheating of device351.7%0.7%
Thermal decomposition of device30.1%0.2%
Contamination /decontamination problem20.1%0.1%
Corrodedthe device corroded20.1%0.8%
Device emits odor20.1%0.2%
Excessive heating20.1%0.1%
Device contamination with chemical or other material10%0.1%
Environmental particulates10%0%
Insufficient device problem information10%0.2%
Material integrity problema problem with the device material10%0.2%
Pressure problem10%0%
Unraveled material10%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
Cancer1467.1%
Headachehead pain1467.1%
Dizzinesslight-headedness or unsteadiness1286.2%
Asthmaasthma1205.8%
Eye irritationeye irritation723.5%
Dyspneashortness of breath592.9%
Respiratory tract infectiona respiratory infection522.5%
Skin inflammation/ irritation522.5%
Inflammationinflammation452.2%
Nauseafeeling sick412%
Hypersensitivity/allergic reaction391.9%
Sore throat391.9%
Vomitingbeing sick371.8%
Appropriate clinical signs, symptoms and conditions term/code not available291.4%
Coughcough281.4%

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

In context

MeasureBiPAP Pro BiFlexProduct code BZDAll MAUDE reports
Reports2,056303,24026,136,888
Share of that pool—0.7%0%
Classified as death, per 1,000 reports16159
Classified as injury18.6%17.7%36.2%
Classified as malfunction79.9%80.7%62.3%
Filed by the manufacturer100%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 BZD

BrandReportsLatest 12 monthsClassified as death
DreamStation Auto CPAP146,78027,7410.9%
REMstar Auto A-Flex19,6567,0831%
DreamStation Auto BiPAP15,3168711.8%
REMstar Pro C-Flex+14,6434,6891.2%
DreamStation CPAP13,8953362.5%
Philips CPAP Device12,779585.5%
DreamStation CPAP Pro10,7896740.8%
REMstar AutoA-Flex8,6591,7321.1%
REMstar Auto5,0891,4240.9%
BiPAP Auto BiFlex4,4871,3271.4%
DreamStation4,2101,7031.6%
REMstar Plus C-Flex3,6821,5820.8%
Dreamstation Auto3,150380.3%
DreamStation BiPAP Pro3,0491081.9%
REMstar Plus2,5814991.9%

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 BiPAP Pro BiFlex reports

How many FDA reports name BiPAP Pro BiFlex?

2,056 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 631 in the latest 12 months.

What kinds of events are reported?

malfunction (79.9%), injury (18.6%) and death (1.6%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

degraded (99.1%), contamination (7.9%), overheating of device (1.7%), thermal decomposition of device (0.1%) and contamination /decontamination problem (0.1%). 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 BiPAP Pro BiFlex 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.