510(k) Report

510(k) · Cleared

Cleared

VisuBreath

K261633510(k) TraditionalCleared Jul 14, 202657-day reviewClass II21 CFR 868.1400

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

Affirm Medical Technologies II, LLC · CCK Analyzer, Gas, Carbon-Dioxide, Gaseous-Phase

Cleared on Jul 14, 2026 as substantially equivalent to K133540 (Maxtec, Inc., 2014) after a 57-day review. Its family tree reaches back 3 generations to 1989.

Decided
Jul 14, 2026
Review
57 days
Class
Class II
Product code
CCK
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K894053 (1989). No later device cites it as a predicate yet.

  1. Root · 3 generations backK894053 2ND Modification of Fef (TM) End-Tidal CO2 DetectorFenem, Inc. · 1989
  2. 2 generations backK021576 Mercury Medical STATCO2 End Tidal CO2 Detector, Model 10-55370Mercury Medical · 2002
  3. 1 generation backK133540 FlocapMaxtec, Inc. · 2014
  4. This deviceK261633 VisuBreathAffirm Medical Technologies II, LLC · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K8940532ND Modification of Fef (TM) End-Tidal CO2 DetectorFenem, Inc.1989—
−2K021576Mercury Medical STATCO2 End Tidal CO2 Detector, Model 10-55370Mercury Medical2002—
−1K133540FlocapMaxtec, Inc.2014—
0 (this device)K261633VisuBreathAffirm Medical Technologies II, LLC2026—
FIG. 1 — Lineage of K261633, 1989–2026Source: 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), 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 CCK? 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 CCK device

  1. #1 K253030 Capnostream™35 Portable Respiratory Monitor…score 15.8 · 16 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
*K133540Flocap
Summary page 5
…s, Carbon-Dioxide, Gaseous-Phase Regulation Number: 21 CFR 868.1400 Product Code: CCK Predicate Device: K133540 - FLOCAP – CCK Device Description Summary: VisuBreath is a sticker placed inside a patient mask, specifically designed to be use…
Maxtec, Inc.2014—

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 37 years and passes through 4 companies; a new generation was cleared every 12.3 years on median.
  • None of the 3 ancestors has a recall.

How does its category compare?

All CCK devices

CCK Analyzer, Gas, Carbon-Dioxide, Gaseous-Phase: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.

FDA decisions per year · CCK

3in 2025

2007: 52008: 32009: 32010: 32011: 22012: 72013: 42014: 92015: 52016: 22017: 52018: 62019: 72020: 42021: 42022: 32023: 42024: 32025: 32026 (partial year): 3
2007high 9 (2014) · low 2 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CCK

169in 2025

2007: 56 days median2008: 248 days median2009: 101 days median2010: 125 days median2012: 150 days median2013: 132 days median2014: 166 days median2015: 105 days median2017: 134 days median2018: 296 days median2019: 261 days median2020: 188 days median2021: 227 days median2022: 226 days median2023: 555 days median2024: 592 days median2025: 169 days median2026 (partial year): 224 days median
2007high 592 (2024) · low 56 (2007)2026

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

Recalls per year · CCK

1in 2022

2008: 12009: 192010: 42011: 142012: 32013: 2, 1 Class I2015: 12018: 52019: 7, 7 Class I2020: 12022: 1
2007high 19 (2009) · low 0 (2007)2026

Class I (8 since 2007) Class II/III not classified

Adverse event reports per year · CCK

1,259in 2025

2007: 72008: 202009: 212010: 122011: 182012: 132013: 282014: 512015: 1142016: 882017: 582018: 632019: 1412020: 2,3022021: 2,2722022: 2,4752023: 1,6372024: 1,2162025: 1,259
2007high 2,475 (2022) · low 7 (2007)2025

MAUDE reports naming product code CCK, 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
200755607
20083248120
200931011921
20103125412
20112—1418
20127150313
201341322 (1)28
20149166051
201551051114
20162—088
20175134058
20186296563
201972617 (7)141
2020418812,302
2021422702,272
2022322612,475
2023455501,637
2024359201,216
2025316901,259
202632240—

What is it indicated for?

The VisuBreath is to provide a semi-quantitative visualization of the CO2 in the patient airway. It is an adjunct in patient assessment, to be used in conjunction with other methods to determine clinical signs and symptoms by or on the order of a physician. The VisuBreath has a visual indicator to visually detect the end of exhalation. For use up to 24 hours. For patients greater than 15 kg (33 Ibs). Environment of Use - hospital, sub-acute, pre-hospital, transport.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K261633: VisuBreath.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K261633

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Record history
  • FDA decision record loaded Oct 30, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026