510(k) Report

510(k) · Cleared

Cleared

Unimed CO2 Mainstream Module Model Capno-M, Unimed CO2 Mainstream Module Model Capno-M+

K210019510(k) TraditionalCleared Mar 4, 202159-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

Unimed Medical Supplies, Inc. · CCK Analyzer, Gas, Carbon-Dioxide, Gaseous-Phase

Cleared on Mar 4, 2021 as substantially equivalent to K192446 (Beijing Kingst Commercial & Trade Co., Ltd., 2020) after a 59-day review. Its family tree reaches back 4 generations to 1992.

Decided
Mar 4, 2021
Review
59 days
Class
Class II
Product code
CCK
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K920379 (1992). 6 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 4 generations backK920379 Novametrix Model 7100 Comb. End Tidal CO2 & Pul OXNovametrix Medical Systems, Inc. · 1992 · Recalled
  2. 3 generations backK032971 Tidal Wave SP Model 710/715 and 715Respironics Novametrix, Inc. · 2004 · Recalled
  3. 2 generations backK042601 Capnostat 5Respironics Novametrix, Inc. · 2004 · Recalled
  4. 1 generation backK192446 CO2 Mainstream ModuleBeijing Kingst Commercial & Trade Co., Ltd. · 2020
  5. This deviceK210019 Unimed CO2 Mainstream Module Model Capno-M, Unimed CO2 Mainstream…Unimed Medical Supplies, Inc. · 2021
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K920379Novametrix Model 7100 Comb. End Tidal CO2 & Pul OXNovametrix Medical Systems, Inc.19923
−3K032971Tidal Wave SP Model 710/715 and 715Respironics Novametrix, Inc.20047
−2K042601Capnostat 5Respironics Novametrix, Inc.20041
−1K192446CO2 Mainstream ModuleBeijing Kingst Commercial & Trade Co., Ltd.2020—
0 (this device)K210019Unimed CO2 Mainstream Module Model Capno-M, Unimed CO2 Mainstream Module Model…Unimed Medical Supplies, Inc.2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
199610
FIG. 1 — Lineage of K210019, 1992–2021Source: 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 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
*K192446CO2 Mainstream Module
Summary page 4
…er, Gas, Carbon-Dioxide, Gaseous-Phase Regulation Number: 21 CFR 868.1400 Product Code: CCK Predicate Device : 510(k) Number: K192446 Device Name: CO2 Mainstream Module Manufacturer: Beijing Kingst Commercial & Trade Co.,Ltd. Desc…
Beijing Kingst Commercial & Trade Co., Ltd.2020—

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 29 years and passes through 4 companies; a new generation was cleared every 12.1 years on median.
  • 4 of the 6 ancestors have a recall of any class.

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. 2021, 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 CO2 Mainstream Module is intended to provide carbon dioxide monitoring to a host monitoring system during anesthesia/recovery in Emergency Medicine/Transport or Respiratory care.

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. “K210019: Unimed CO2 Mainstream Module Model Capno-M, Unimed CO2 Mainstream Module Model Capno-M+.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K210019

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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