510(k) Report

510(k) · Cleared

Cleared

Corrugated tube with mouthpiece accessory

K203400510(k) TraditionalCleared Jun 14, 2021207-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

Trudell Medical International · CAF Nebulizer (Direct Patient Interface)

Cleared on Jun 14, 2021 as substantially equivalent to K173367 (Trudell Medical International, 2018) after a 207-day review. Its family tree reaches back 2 generations to 1993.

Decided
Jun 14, 2021
Review
207 days
Class
Class II
Product code
CAF
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K926055 (1993). No later device cites it as a predicate yet.

  1. Root · 2 generations backK926055 The Miller Nebulizer SystemWarren C. Miller · 1993
  2. 1 generation backK173367 MC 300* NebulizerTrudell Medical International · 2018
  3. This deviceK203400 Corrugated tube with mouthpiece accessoryTrudell Medical International · 2021
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K926055The Miller Nebulizer SystemWarren C. Miller1993—
−1K173367MC 300* NebulizerTrudell Medical International2018—
0 (this device)K203400Corrugated tube with mouthpiece accessoryTrudell Medical International2021—
FIG. 1 — Lineage of K203400, 1993–2021Source: 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
*K173367MC 300* Nebulizer
Summary page 4
…cation Name: Nebulizer 21 CFR 868.5630 Regulatory Class: II Product Code: CAF 3. Predicate Device MC300* Nebulizer - K173367 Trudell Medical International The predicate device has not been subject to a recall. 4. Device Description and Principle of O…
Trudell Medical International2018—

Also cleared against K173367: 1 other device →

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?

  • The line of descent spans 28 years and passes through 2 companies; a new generation was cleared every 25.1 years on median.
  • None of the 2 ancestors has a recall.
  • 1 other device also cites its predicate K173367.

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. 2021, 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 corrugated tube is an accessory to the MC 300 ® Nebulizer. It is designed to work in conjunction with the MC 300 ® Nebulizer to extend the patient interface away from the nebulizer. The accessory is a single patient use device that is intended to be used with either mouthpiece or mask for pediatric (ages 2 years and above) and adult patients, who are under the care of a licensed healthcare provider or physician.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K203400: Corrugated tube with mouthpiece accessory.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K203400

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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