Reported Reactions

Devices › Warmer, thermal, infusion fluid

Device brand name · Warmer thermal infusion fluid

Level 1 Hotline Fluid Warmer: medical device reports filed with FDA

1,143 reports name it, 2019–2025. Manufacturer given most often on reports: Oakdale. Product code LGZ.

1,143
device reports naming the brand
0% of all MAUDE reports · about 156 a year
1
reports, 12 months to August 2026
53 in the 12 months before
100%
classified as malfunction
96.4% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

FDA's MAUDE database holds 1,143 reports that name the brand "Level 1 Hotline Fluid Warmer" (warmer thermal infusion fluid), received between March 2019 and October 2025; the manufacturer given most often on reports is Oakdale. Spellings of one product vary from report to report.

1 reports arrived in the 12 months to August 2026, down 98% from 53 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 (100%); across all warmer, thermal, infusion fluid reports (product code LGZ) death is recorded in 0.7% and malfunction in 96.4%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are fluid/blood leak (17.1%), device alarm system (7.8%) and leak/splash (7.1%). The patient problems coded most often are no patient involvement. 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

084168Sep 2021: 11Oct 2021: 3Nov 2021: 4Dec 2021: 52022Jan 2022: 19Feb 2022: 75Mar 2022: 41Apr 2022: 58May 2022: 25Jun 2022: 31Jul 2022: 12Aug 2022: 88Sep 2022: 23Oct 2022: 168Nov 2022: 6Dec 2022: 52023Jan 2023: 30Feb 2023: 30Mar 2023: 48Apr 2023: 58May 2023: 27Jun 2023: 27Jul 2023: 12Aug 2023: 33Sep 2023: 24Oct 2023: 19Nov 2023: 17Dec 2023: 82024Jan 2024: 18Feb 2024: 7Mar 2024: 6Apr 2024: 27May 2024: 4Jun 2024: 8Jul 2024: 8Aug 2024: 6Sep 2024: 13Oct 2024: 15Nov 2024: 2Dec 2024: 52025Jan 2025: 4Feb 2025: 8Mar 2025: 1Apr 2025: 1May 2025: 4Jun 2025: 0Jul 2025: 0Aug 2025: 0Sep 2025: 0Oct 2025: 1Nov 2025: 0Dec 2025: 02026Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0

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

02765512019: 1620192020: 2420202021: 8120212022: 55120222023: 33320232024: 11920242025: 192025

Event type and report source

Event type, as classified on the report

Death0%0
Injury0%0
Malfunction100%1,143
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%1,143
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 7,003 reports carrying product code LGZ. 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 leak19617.1%21.5%
Device alarm system897.8%8.5%
Leak/splashthe device leaked817.1%8.8%
Display or visual feedback problem796.9%4.1%
Temperature problem696%6.4%
Breakthe device broke514.5%3.5%
Defective alarm514.5%2.6%
Insufficient heating514.5%3.1%
Power problem453.9%2.6%
Overheating of device403.5%2.9%
No audible alarm373.2%2.8%
Defective component343%1.7%
Crackthe device cracked322.8%3.9%
Noise, audible322.8%1.4%
Mechanical problema mechanical problem312.7%2.4%
Failure to power up302.6%1.6%
No display/image252.2%1.3%
Patient device interaction problem232%0.4%
Electrical /electronic property probleman electrical or electronic problem221.9%1.9%
False alarm221.9%1.7%

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 involvement131.1%

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

In context

MeasureLevel 1 Hotline Fluid WarmerProduct code LGZAll MAUDE reports
Reports1,1437,00326,136,888
Share of that pool—16.3%0%
Classified as death, per 1,000 reports079
Classified as injury0%2.1%36.2%
Classified as malfunction100%96.4%62.3%
Filed by the manufacturer100%96.5%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 LGZ

BrandReportsLatest 12 monthsClassified as death
Level 1 Hotline Blood And Fluid Warmer753170%
Level 1 Hotline Fluid Warmer 390580110%
Level 162800.5%
The Belmont Rapid Infuser33900.6%
Level 1 Hotline Low Flow System21900%
Level 1 Hotline Low Flow System Hl-9017000%
Level 1 Hotline Low Flow Systems - Hl-9016800%
Level One231311.7%
Animas Insulin Infusion Pump26,29300.3%
Level 1 Fast Flow Fluid Warmer635290.8%
Pump Mmt-712lnas Prdgm Ins Sk En Us Ln21303.3%
H-Tronplus1,52300.9%
NxStage System One3,3121205.7%
Bair Hugger40812.2%
Cadd Extension Sets62510%

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 Level 1 Hotline Fluid Warmer reports

How many FDA reports name Level 1 Hotline Fluid Warmer?

1,143 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 1 in the latest 12 months.

What kinds of events are reported?

malfunction (100%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

fluid/blood leak (17.1%), device alarm system (7.8%), leak/splash (7.1%), display or visual feedback problem (6.9%) and temperature problem (6%). 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 Level 1 Hotline Fluid Warmer 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.