Reported Reactions

Devices › Humidifier, respiratory gas, (direct patient interface)

Device brand name · Respiratory humidifier

Fisher & Paykel Healthcare: medical device reports filed with FDA

4,780 reports name it, 2007–2026. Manufacturer given most often on reports: Fisher & Paykel Healthcare. Product code BTT.

4,780
device reports naming the brand
0% of all MAUDE reports · about 245 a year
3,374
reports, 12 months to August 2026
959 in the 12 months before
98.9%
classified as malfunction
96.1% across the product code
0.3%
classified as death, as reported
12 reports · not verified by FDA

FDA's MAUDE database holds 4,780 reports that name the brand "Fisher & Paykel Healthcare" (respiratory humidifier), received between January 2007 and August 2026; the manufacturer given most often on reports is Fisher & Paykel Healthcare. Spellings of one product vary from report to report.

3,374 reports arrived in the 12 months to August 2026, up 252% from 959 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 (98.9%), injury (0.8%) and death (0.3%); across all humidifier, respiratory gas, (direct patient interface) reports (product code BTT) death is recorded in 0.7% and malfunction in 96.1%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are defective alarm (58.7%), no audible alarm (6.5%) and pressure problem (5.8%). The patient problems coded most often are low oxygen saturation, hypoxia and pneumothorax. 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

0245490Sep 2021: 0Oct 2021: 0Nov 2021: 0Dec 2021: 02022Jan 2022: 0Feb 2022: 0Mar 2022: 0Apr 2022: 0May 2022: 0Jun 2022: 0Jul 2022: 0Aug 2022: 0Sep 2022: 0Oct 2022: 0Nov 2022: 0Dec 2022: 02023Jan 2023: 0Feb 2023: 0Mar 2023: 1Apr 2023: 0May 2023: 0Jun 2023: 0Jul 2023: 0Aug 2023: 2Sep 2023: 0Oct 2023: 85Nov 2023: 81Dec 2023: 932024Jan 2024: 1Feb 2024: 6Mar 2024: 9Apr 2024: 5May 2024: 26Jun 2024: 28Jul 2024: 42Aug 2024: 56Sep 2024: 56Oct 2024: 67Nov 2024: 97Dec 2024: 922025Jan 2025: 68Feb 2025: 82Mar 2025: 78Apr 2025: 103May 2025: 66Jun 2025: 87Jul 2025: 89Aug 2025: 74Sep 2025: 106Oct 2025: 217Nov 2025: 490Dec 2025: 4812026Jan 2026: 382Feb 2026: 274Mar 2026: 342Apr 2026: 320May 2026: 204Jun 2026: 181Jul 2026: 216Aug 2026: 161

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

01,0402,0802007: 820072021: 420212023: 26220232024: 48520242025: 1,94120252026: 2,0802026

Event type and report source

Event type, as classified on the report

Death0.3%12
Injury0.8%39
Malfunction98.9%4,729
Other0%0
Not given0%0

Who filed the report

Manufacturer report99.9%4,773
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0.1%7

Grey bar: all 18,530 reports carrying product code BTT. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Defective alarm2,80758.7%15.7%
No audible alarm3136.5%25.2%
Pressure problem2795.8%0.1%
Gas/air leak2645.5%1%
Material split, cut or torn2485.2%3.7%
Crackthe device cracked1954.1%4.8%
Leak/splashthe device leaked1863.9%6.2%
Breakthe device broke1843.8%4.3%
Fluid/blood leak1463.1%5.4%
Detachment of device or device componentpart of the device came off1042.2%2.9%
Melted601.3%1.5%
Mechanical problema mechanical problem420.9%0.6%
Stretched360.8%0.3%
Device dislodged or dislocated330.7%0.2%
Insufficient device problem information280.6%0.5%
Unintended movement260.5%0.1%
Connection problema connection problem220.5%1.7%
Material puncture/hole200.4%0.3%
Loose or intermittent connection150.3%0.3%
Disconnection100.2%0.9%

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
Low oxygen saturation831.7%
Hypoxialow oxygen60.1%
Pneumothoraxa collapsed lung50.1%
Bradycardiaslow heart rate40.1%
Airway obstruction30.1%
Superficial (first degree) burn30.1%
Aspiration/inhalation20%
Burn(s)a burn20%
Internal organ perforation20%
Respiratory failurethe lungs could not supply enough oxygen20%
Abnormal blood gases10%
Abrasion10%
Appropriate clinical signs, symptoms and conditions term/code not available10%
Cardiac arrestthe heart stopped10%
Coughcough10%

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

In context

MeasureFisher & Paykel HealthcareProduct code BTTAll MAUDE reports
Reports4,78018,53026,136,888
Share of that pool—25.8%0%
Classified as death, per 1,000 reports379
Classified as injury0.8%2.2%36.2%
Classified as malfunction98.9%96.1%62.3%
Filed by the manufacturer99.9%97%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 BTT

BrandReportsLatest 12 monthsClassified as death
Airvo 2 Humidifier1,97000.6%
Airvo2 Humidifier1,79700.7%
Hudson Concha Neptune1,67900.1%
Vented Autofeed Humidification Chamber80900%
Vented Humidification Chamber49300%
Vented Autofeed Chamber47800%
Adult Inspiratory Heated Breathing Circuit44900.2%
Respiratory Humidifier44801.8%
Optiflow + Adult Nasal Cannula42342.6%
Myairvo Humidifier34800.3%
Fisher and Paykel Healthcare3331340%
Adult Breathing Circuit29200.7%
Adult Dual Heated Breathing Circuit23200%
Autofeed Humidification Chamber21000%
Myairvo 2 Humidifier19800.5%

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 Fisher & Paykel Healthcare reports

How many FDA reports name Fisher & Paykel Healthcare?

4,780 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 3,374 in the latest 12 months.

What kinds of events are reported?

malfunction (98.9%), injury (0.8%) and death (0.3%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

defective alarm (58.7%), no audible alarm (6.5%), pressure problem (5.8%), gas/air leak (5.5%) and material split, cut or torn (5.2%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (99.9%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Fisher & Paykel Healthcare 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.