510(k) Report

510(k) · Cleared

Cleared

Carbon Monoxide Breath Sensor System (COBSS)

K171408510(k) TraditionalCleared Sep 29, 2017140-day reviewClass II21 CFR 868.1430

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

Carrot Sense, Inc. · CCJ Analyzer, Gas, Carbon-Monoxide, Gaseous-Phase

Cleared on Sep 29, 2017 as substantially equivalent to K082315 (Bedfont Scientific, Ltd., 2010) after a 140-day review. Its family tree reaches back 1 generation to 2010. 2 later devices descend from it.

Decided
Sep 29, 2017
Review
140 days
Class
Class II
Product code
CCJ
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K082315 (2010). 2 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2021: 2 descendants clearedK082315 · EC50 Micro+ Smokerlyzer · Bedfont Scientific, Ltd. · 20102010201520202025
Descendants, by generation 1 generation forward: 2 descendants K082315 · EC50 Micro+ Smokerlyzer · Bedfont Scientific, Ltd. · 20100
  1. Root · 1 generation backK082315 EC50 Micro+ SmokerlyzerBedfont Scientific, Ltd. · 2010
  2. This deviceK171408 Carbon Monoxide Breath Sensor System (COBSS)Carrot Sense, Inc. · 2017
  3. Descendant · cites it directly · 0 of its ownK211918 iCOquit® Smokerlyzer®Bedfont Scientific, Ltd. · 2021
  4. Descendant · cites it directly · 0 of its ownK201206 Pivot Breath SensorCarrot, Inc. · 2021

Most influential descendants

Showing 2 of 2 · See all
  • K211918iCOquit® Smokerlyzer®Bedfont Scientific, Ltd. · 2021 · cites it directly0descendants
  • K201206Pivot Breath SensorCarrot, Inc. · 2021 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K082315EC50 Micro+ SmokerlyzerBedfont Scientific, Ltd.2010—
0 (this device)K171408Carbon Monoxide Breath Sensor System (COBSS)Carrot Sense, Inc.2017—
+1K211918iCOquit® Smokerlyzer®Bedfont Scientific, Ltd.2021—
+1K201206Pivot Breath SensorCarrot, Inc.2021—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202120
FIG. 1 — Lineage of K171408, 2010–2021Source: 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 CCJ? 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 CCJ device

  1. #1 K253119 CoSense ETCO Monitorscore 12.6 · 5 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
*K082315EC50 Micro+ Smokerlyzer
Summary page 4
…Product Code: CCJ Predicate Device Company: Bedfont Scientific LTD. Device Name: Micro+ Smokerlyzer 510(k) Number: K082315 Regulation: 868.1430 Product Codes: CCJ Device Description The Carbon Monoxide Breath Sensor Syste…
Bedfont Scientific, Ltd.2010—

Also cleared against K082315: 1 other device →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K211918iCOquit® Smokerlyzer®Bedfont Scientific, Ltd.20210
K201206Pivot Breath SensorCarrot, Inc.20210

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.
  • Of its descendants, K211918 (Bedfont Scientific, Ltd., 2021) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K082315.

How does its category compare?

All CCJ devices

CCJ Analyzer, Gas, Carbon-Monoxide, Gaseous-Phase: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · CCJ

2in 2021

2008: 22010: 12012: 12014: 12015: 12017: 12018: 12019: 12021: 22026 (partial year): 1
2007high 2 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CCJ

Too few CCJ 510(k)s in any year since 2007 to give a median.

Recalls per year · CCJ

No recall names CCJ since 2007.

Adverse event reports per year · CCJ

No MAUDE report names CCJ since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20082—00
20090—00
20101—00
20110—00
20121—00
20130—00
20141—00
20151—00
20160—00
20171—00
20181—00
20191—00
20200—00
20212—00
20220—00
20230—00
20240—00
20250—00
20261—0—

What is it indicated for?

The Carbon Monoxide Breath Sensor System (COBSS) is a breath carbon monoxide monitor intended for single-user use

by cigarette smokers in smoking cessation programs to inform the user about how breath carbon monoxide levels are

affected by smoking behavior. The device is not intended to be used with other inhaled products.

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. “K171408: Carbon Monoxide Breath Sensor System (COBSS).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K171408

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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