510(k) Report

510(k) · Cleared

Cleared

MiniSpacer® 1024, 1025, 1543 and 1024A, 1025A, 1543A Dual Spray MDI Adapter

K233553510(k) SpecialCleared Jun 18, 2024225-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

Thayer Medical Corporation · CAF Nebulizer (Direct Patient Interface)

Cleared on Jun 18, 2024 as substantially equivalent to K102658 (Thayer Medical Corp., 2010) and 1 other predicate after a 225-day review. Its family tree reaches back 1 generation to 2010.

Decided
Jun 18, 2024
Review
225 days
Class
Class II
Product code
CAF
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K102658 (2010). 2 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2011: 1 other ancestorK102658 · Minispacer Dual-Spray Mdi Adapter with 22MM (or 15MM) OD / 22MM OD/ID Connections / 15MM ID Connections · Thayer Medical Corp. · 20102010201520202025
Other ancestors, by generation 1 generation back: 1 other ancestor K102658 · Minispacer Dual-Spray Mdi Adapter with 22MM (or 15MM) OD / 22MM OD/ID Connections / 15MM ID Connections · Thayer Medical Corp. · 20100
  1. Root · 1 generation backK102658 Minispacer Dual-Spray Mdi Adapter with 22MM (or 15MM) OD / 22MM…Thayer Medical Corp. · 2010
  2. This deviceK233553 MiniSpacer® 1024, 1025, 1543 and 1024A, 1025A, 1543A Dual Spray MDI…Thayer Medical Corporation · 2024
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K102658Minispacer Dual-Spray Mdi Adapter with 22MM (or 15MM) OD / 22MM OD/ID…Thayer Medical Corp.2010—
0 (this device)K233553MiniSpacer® 1024, 1025, 1543 and 1024A, 1025A, 1543A Dual Spray MDI AdapterThayer Medical Corporation2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
201110
FIG. 1 — Lineage of K233553, 2010–2024Source: 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? (2)

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
*K102658Minispacer Dual-Spray Mdi Adapter with 22MM (or 15MM) OD / 22MM OD/ID Connections / 15MM…
Summary page 8
…510(k) Number Manufacturer Trade Name Product Code Thayer Medical MiniSpacer® Dual-Spray K102658 CAF Corporation MDI Adapte…
Thayer Medical Corp.2010—
*K111570Minispacer (R) Mdi Adapter with Counter Incrementing Actuator
Summary page 8
…n MDI Adapter MiniSpacer® Dual-Spray Thayer Medical MDI Adapter K111570 CAF Corporation…
Thayer Medical Corporation20111

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?

  • 1 of the 2 ancestors has a recall of any class.

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. 2024, 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?

Model number 1024 is a single patient, disposable device for dispensing pressurized metered dose inhaler (pMDI) medication into a breathing circuit, as prescribed by a physician or other licensed health care practitioner. The device is indicated for patients on a breathing circuit, for whom aerosol medication has been prescribed, in short and long term critical care environments. REF 1024 is intended for use only when connected to a 22 mm fitting. Model…

Read the full statement (426 words)

Model number 1024 is a single patient, disposable device for dispensing pressurized metered dose inhaler (pMDI) medication into a breathing circuit, as prescribed by a physician or other licensed health care practitioner. The device is indicated for patients on a breathing circuit, for whom aerosol medication has been prescribed, in short and long term critical care environments. REF 1024 is intended for use only when connected to a 22 mm fitting.

Model number 1024A is a single patient, disposable device for dispensing pressurized metered dose inhaler (pMDI) medication into a breathing circuit, as prescribed by a physician or other licensed health care practitioner. The device is indicated for patients on a breathing circuit, for whom aerosol medication has been prescribed, in short and long term critical care environments. REF 1024A is intended for use only when connected to a 22 mm fitting.

Model number 1025 is a single patient, disposable device for dispensing pressurized metered dose inhaler (pMDI) medication into a breathing circuit, as prescribed by a physician or other licensed health care practitioner. The device is indicated for patients on a breathing circuit, for whom aerosol medication has been prescribed, in short and long term critical care environments. REF 1025 is intended for use only when connected to a 22 mm fitting.

Model number 1025A is a single patient, disposable device for dispensing pressurized metered dose inhaler (pMDI) medication into a breathing circuit, as prescribed by a physician or other licensed health care practitioner. The device is indicated for patients on a breathing circuit, for whom aerosol medication has been prescribed, in short and long term critical care environments. REF 1025A is intended for use only when connected to a 22 mm fitting.

Model number 1543 is a single patient, disposable device for dispensing pressurized metered dose inhaler (pMDI) medication into a breathing circuit, as prescribed by a physician or other licensed health care practitioner. The device is indicated for patients on a breathing circuit, for whom aerosol medication has been prescribed, in short and long term critical care environments. REF 1543 is intended for use only when connected to a 15 mm fitting.

Model number 1543A is a single patient, disposable device for dispensing pressurized metered dose inhaler (pMDI) medication into a breathing circuit, as prescribed by a physician or other licensed health care practitioner. The device is indicated for patients on a breathing circuit, for whom aerosol medication has been prescribed, in short and long term critical care environments. REF 1543A is intended for use only when connected to a 15 mm fitting.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K233553: MiniSpacer® 1024, 1025, 1543 and 1024A, 1025A, 1543A Dual Spray MDI Adapter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K233553

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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