510(k) Report

510(k) · Cleared

Cleared

Hudson RCI AquaTherm III Plus External Adjustable Electronic Heater (050-14)

K223100510(k) TraditionalCleared Jun 27, 2023270-day reviewClass II21 CFR 868.5630

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

Medline Industries, Inc. · CAF Nebulizer (Direct Patient Interface)

Cleared on Jun 27, 2023 as substantially equivalent to K880473 (Pegasus Research Corp., 1988) after a 270-day review. Its family tree reaches back 1 generation to 1988.

Decided
Jun 27, 2023
Review
270 days
Class
Class II
Product code
CAF
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K880473 (1988). No later device cites it as a predicate yet.

K880473 · Aero-Mist Nebulizer Heater · Pegasus Research Corp. · 19881990200020102020
K880473 · Aero-Mist Nebulizer Heater · Pegasus Research Corp. · 19880
  1. Root · 1 generation backK880473 Aero-Mist Nebulizer HeaterPegasus Research Corp. · 1988
  2. This deviceK223100 Hudson RCI AquaTherm III Plus External Adjustable Electronic Heater…Medline Industries, Inc. · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K880473Aero-Mist Nebulizer HeaterPegasus Research Corp.1988—
0 (this device)K223100Hudson RCI AquaTherm III Plus External Adjustable Electronic Heater (050-14)Medline Industries, Inc.2023—
FIG. 1 — Lineage of K223100, 1988–2023Source: FDA 510(k) summaries, read by 510(k) Report · 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 summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in CAF? 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 CAF device

  1. #1 K260270 FindAir ONE for pMDI (FAO-MDI-V12-GRE-001)score 13.2 · 7 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K880473Aero-Mist Nebulizer Heater
Summary page 4
…Predicate Device Name / Manufacturer Primary Number Predicate K880473 Aero-Mist Nebulizer Heater/ Pegasus Research…
Pegasus Research Corp.1988—

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.

What does this lineage say?

  • Its one ancestor has no recall.

How does its category compare?

All CAF devices

CAF Nebulizer (Direct Patient Interface): FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · CAF

7in 2025

2007: 182008: 122009: 82010: 102011: 102012: 92013: 92014: 92015: 82016: 52017: 82018: 92019: 32020: 62021: 82022: 42023: 82024: 42025: 72026 (partial year): 2
2007high 18 (2007) · low 3 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CAF

211in 2025

2007: 98 days median2008: 123 days median2009: 163 days median2010: 114 days median2011: 157 days median2012: 126 days median2013: 238 days median2014: 151 days median2015: 186 days median2016: 186 days median2017: 253 days median2018: 161 days median2019: 266 days median2020: 219 days median2021: 324 days median2022: 176 days median2023: 279 days median2024: 251 days median2025: 211 days median
2007high 324 (2021) · low 98 (2007)2026

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

Recalls per year · CAF

1in 2018

2007: 12011: 12014: 52015: 32016: 12017: 14, 13 Class I2018: 1
2007high 14 (2017) · low 0 (2008)2026

Class I (13 since 2007) Class II/III not classified

Adverse event reports per year · CAF

191in 2025

2007: 262008: 112009: 152010: 372011: 2372012: 1382013: 2172014: 1232015: 1662016: 2012017: 2562018: 1622019: 1852020: 1172021: 1612022: 552023: 1072024: 1022025: 191
2007high 256 (2017) · low 11 (2008)2025

MAUDE reports naming product code CAF, 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
20071898126
200812123011
20098163015
201010114037
2011101571237
201291260138
201392380217
201491515123
201581863166
201651861201
2017825314 (13)256
201891611162
201932660185
202062190117
202183240161
20224176055
202382790107
202442510102
202572110191
20262—0—

What is it indicated for?

The Hudson RCI AQUATHERM® Ill Plus External Adjustable Electronic Heater is designed for use with the Hudson RCI Nebulizer Adaptor and the AQUAPAK® system to provide continuous heated aerosol for respiratory applications.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K223100: Hudson RCI AquaTherm III Plus External Adjustable Electronic Heater (050-14).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K223100

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