510(k) Report

510(k) · Cleared

Cleared

Heated Humidifier

K983783510(k) TraditionalCleared Oct 24, 2000728-day reviewClass II21 CFR 868.5450

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Pegasus Research Corp. · BTT Humidifier, Respiratory Gas, (Direct Patient Interface)

Cleared on Oct 24, 2000 after a 728-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Oct 24, 2000
Review
728 days
Class
Class II
Product code
BTT
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K983783Source: FDA 510(k) database · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in BTT? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new BTT device

  1. #1 K222197 F&P Optiflow Junior 2/2+ Nasal Cannula…score 16.8 · 10 generations · no Class I recall
  2. #2 Held for the reportin the report
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What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

How does its category compare?

All BTT devices

BTT Humidifier, Respiratory Gas, (Direct Patient Interface): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BTT

4in 2025

2007: 62008: 42009: 12010: 42011: 32012: 22013: 62014: 72015: 12016: 32017: 32018: 22019: 12020: 22021: 22022: 32023: 72024: 72025: 42026 (partial year): 4
2007high 7 (2014) · low 1 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BTT

104in 2025

2007: 73 days median2008: 199 days median2010: 113 days median2011: 116 days median2013: 171 days median2014: 231 days median2016: 157 days median2017: 303 days median2022: 290 days median2023: 258 days median2024: 219 days median2025: 104 days median2026 (partial year): 184 days median
2007high 303 (2017) · low 73 (2007)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · BTT

1in 2025

2007: 12008: 12010: 22011: 12014: 5, 4 Class I2025: 12026 (partial year): 1
2007high 5 (2014) · low 0 (2009)2026

Class I (4 since 2007) Class II/III not classified

Adverse event reports per year · BTT

1,743in 2025

2007: 3652008: 4562009: 5582010: 5622011: 6652012: 5832013: 7182014: 7182015: 6702016: 1,0942017: 1,0072018: 9182019: 8942020: 1,1882021: 1,5102022: 7492023: 7162024: 5012025: 1,743
2007high 1,743 (2025) · low 365 (2007)2025

MAUDE reports naming product code BTT, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20076731365
200841991456
20091—0558
201041132562
201131161665
20122—0583
201361710718
201472315 (4)718
20151—0670
2016315701,094
2017330301,007
20182—0918
20191—0894
20202—01,188
20212—01,510
202232900749
202372580716
202472190501
2025410411,743
202641841—

What is it indicated for?

The Patient End Humidifier is intended to add moisture and

to warm the breathing gases for administration to a patient.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K983783: Heated Humidifier.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K983783

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026