510(k) Report

510(k) · Cleared

Recalled · 2004

NE-U04/NE U04F

K923024510(k) TraditionalCleared Sep 15, 199284-day reviewClass II21 CFR 868.5630Recalls 1

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

Omron Healthcare, Inc. · CAF Nebulizer (Direct Patient Interface)

Cleared on Sep 15, 1992 after an 84-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 28 later devices descend from it. It has been recalled once.

Decided
Sep 15, 1992
Review
84 days
Class
Class II
Product code
CAF
Recalls
1
Predicates
0

28 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2005: 1 descendant cleared2007: 1 descendant cleared2003: 1 descendant cleared2017: 3 descendants cleared2011: 1 descendant cleared2010: 1 descendant cleared2013: 2 descendants cleared2018: 3 descendants cleared2014: 2 descendants cleared2012: 2 descendants cleared2021: 2 descendants cleared2009: 1 descendant cleared2008: 1 descendant cleared2025: 4 descendants cleared2023: 2 descendants cleared2026: 1 descendant cleared1990200020102020
  1. This deviceK923024 NE-U04/NE U04FOmron Healthcare, Inc. · 1992
  2. Descendant · cites it directly · 19 of its ownK062263 Omron Micro-Air Vibrating Mesh Nebulizer, Model NE-U22Omron Healthcare, Inc. · 2007
  3. Descendant · 2 generations on · 6 of its ownK132247 Ultrasonic Mesh NebulizerFoshan Gaunying Electronics Co., Ltd. · 2014
  4. Descendant · cites it directly · 6 of its ownK042991 I-Neb Aad SystemProfile Therapeutics Plc · 2005
  5. Descendant · 2 generations on · 5 of its ownK171549 Intelligent Mesh NebulizerQingdao Future Medical Technology Co., Ltd. · 2018
  6. Descendant · 2 generations on · 4 of its ownK100380 Altera Nebulizer System, Model 678G1002Pari Respiratory Equipment, Inc. · 2010

Showing 5 of 28 descendants. See all descendants

Descendants cleared per year

2003: 12005: 12007: 12008: 12009: 12010: 12011: 12012: 22013: 22014: 22017: 32018: 32021: 22023: 22025: 42026: 1
2003high 4 (2025) · low 0 (2004)2026

Most influential descendants

Showing 5 of 28 · See all
  • K062263Omron Micro-Air Vibrating Mesh Nebulizer, Model NE-U22Omron Healthcare, Inc. · 2007 · cites it directly19descendants
  • K132247Ultrasonic Mesh NebulizerFoshan Gaunying Electronics Co., Ltd. · 2014 · 2 generations on6descendants
  • K042991I-Neb Aad SystemProfile Therapeutics Plc · 2005 · cites it directly6descendants
  • K171549Intelligent Mesh NebulizerQingdao Future Medical Technology Co., Ltd. · 2018 · 2 generations on5descendants
  • K100380Altera Nebulizer System, Model 678G1002Pari Respiratory Equipment, Inc. · 2010 · 2 generations on4descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K923024NE-U04/NE U04FOmron Healthcare, Inc.1992—
+1K062263Omron Micro-Air Vibrating Mesh Nebulizer, Model NE-U22Omron Healthcare, Inc.2007—
+2K132247Ultrasonic Mesh NebulizerFoshan Gaunying Electronics Co., Ltd.2014—
+1K042991I-Neb Aad SystemProfile Therapeutics Plc2005—
+2K171549Intelligent Mesh NebulizerQingdao Future Medical Technology Co., Ltd.2018—
+2K100380Altera Nebulizer System, Model 678G1002Pari Respiratory Equipment, Inc.2010—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200310
200510
200710
200810
200910
201010
201110
201220
201320
201420
201730
201830
202120
202320
202540
202610
FIG. 1 — Lineage of K923024, 1992–2026Source: 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), 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?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (28)

See all 28

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K062263Omron Micro-Air Vibrating Mesh Nebulizer, Model NE-U22Omron Healthcare, Inc.200719
K042991I-Neb Aad SystemProfile Therapeutics Plc20056
K032849Aeroneb GO Nebulizer, Model AG-AG2000Aerogen, Inc.20031

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

Recalls of this device

DateClassRecallRoot causeReason
Nov 2, 2004Not classifiedZ-0382-05OtherA potential failure of the vibrating mechanism of the medication bottle which causes a failure to transmit vibration and results in no nebulization.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K062263 (Omron Healthcare, Inc., 2007) has gone furthest, with 19 descendants of its own.

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.

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—
Cite this page

510(k) Report. “K923024: NE-U04/NE U04F.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K923024

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026