510(k) Report

510(k) · Cleared

Cleared

Welch Allyn Connex Central Station

K212473510(k) TraditionalCleared Oct 28, 2022448-day reviewClass II21 CFR 870.2300

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

Welch Allyn, Inc. · MWI Monitor, Physiological, Patient (Without Arrhythmia Detection Or Alarms)

Cleared on Oct 28, 2022 as substantially equivalent to K132807 (Welch Allyn, Inc., 2014) and 1 other predicate after a 448-day review. Its family tree reaches back 18 generations to 1997. 1 of the 80 devices in its family, counting itself, has a Class I recall.

Decided
Oct 28, 2022
Review
448 days
Class
Class II
Product code
MWI
Recalls
None
Predicates
2

Its longest line of descent runs back 18 generations to K962603 (1997). 79 ancestors in all, the oldest K853990 (1985). No later device cites it as a predicate yet. 1 of the 80 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year cleared 2014: 1 other ancestor2016: 1 other ancestor2012: 2 other ancestors2010: 3 other ancestors2005: 3 other ancestors2004: 5 other ancestors1999: 3 other ancestors2008: 1 other ancestor2003: 5 other ancestors2002: 4 other ancestors2001: 1 other ancestor2000: 4 other ancestors1997: 3 other ancestors, 1 with a Class I recall11996: 3 other ancestors1994: 1 other ancestor1991: 3 other ancestors2006: 3 other ancestors1995: 5 other ancestors1993: 2 other ancestors1985: 1 other ancestor1990: 2 other ancestors1998: 4 other ancestors1992: 1 other ancestorK962603 · Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & Cables · Masimo Corp. · 1997K973887 · Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and Cables · Masimo Corp. · 1998K982255 · Model 2000 Pulse Oximeter · Ivy Biomedical Systems, Inc. · 1998K991823 · N-395 Pulse Oximeter, Model N-395 · Nellcor Puritan Bennett, Inc. · 1999×2: 2 generations cleared close together, K012891 (2002), K021090 (2002) K033048 · Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL, 740M-2NL, 740-2NN, 740M-2NN, 740-3MS, 740M-3MS · Cas Medical Systems, Inc. · 2004 · recalledK050844 · 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL, 750C-3MS, 750CM-3MS, 750C-3NL, 750CM-3NL · Cas Medical Systems, Inc. · 2005K060065 · CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One Parameter Bedside Monitor · Oridion Capnography, Inc. · 2006 · recalledK072295 · Capnostream 20 with A2 Adaptive Averaging Software · Oridion Capnography, Inc. · 2007K082268 · CAPNOSTREAM20 with Integrated Pulmonary Index · Oridion Capnography, Inc. · 2009 · recalledK091241 · Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse CO-Oximeter · Masimo Corporation · 2009K100428 · Masimo Rainbow Set Radical 7R Pulse CO-Oximeter · Masimo Corporation · 2010K110516 · Connex Vital Signs Monitor 6000 Series · Welch Allyn, Inc. · 2011K112687 · Connex (R) Vital Signs Monitor 6000 Series · Welch Allyn, Inc. · 2011K121013 · Connex Vital Signs Monitor 6000 Series · Welch Allyn, Inc. · 2012K132808 · Vital Signs Monitor, Connex Vital Signs Monitor · Welch Allyn, Inc. · 2013K171621 · Welch Allyn Connex Vital Signs Monitor, Welch Allyn Connex Integrated Wall System, 901060 Vital Signs Monitor · Welch Allyn, Inc. · 2017 · recalled1990200020102020
Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors3 generations back: 5 other ancestors4 generations back: 12 other ancestors, 1 with a Class I recall15 generations back: 10 other ancestors6 generations back: 8 other ancestors7 generations back: 7 other ancestors8 generations back: 6 other ancestors9 generations back: 3 other ancestors10 generations back: 5 other ancestors11 generations back: 2 other ancestors K171621 · Welch Allyn Connex Vital Signs Monitor, Welch Allyn Connex Integrated Wall System, 901060 Vital Signs Monitor · Welch Allyn, Inc. · 2017 · recalledK132808 · Vital Signs Monitor, Connex Vital Signs Monitor · Welch Allyn, Inc. · 2013K121013 · Connex Vital Signs Monitor 6000 Series · Welch Allyn, Inc. · 2012K112687 · Connex (R) Vital Signs Monitor 6000 Series · Welch Allyn, Inc. · 2011K110516 · Connex Vital Signs Monitor 6000 Series · Welch Allyn, Inc. · 2011K100428 · Masimo Rainbow Set Radical 7R Pulse CO-Oximeter · Masimo Corporation · 2010K091241 · Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse CO-Oximeter · Masimo Corporation · 2009K082268 · CAPNOSTREAM20 with Integrated Pulmonary Index · Oridion Capnography, Inc. · 2009 · recalledK072295 · Capnostream 20 with A2 Adaptive Averaging Software · Oridion Capnography, Inc. · 2007K060065 · CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One Parameter Bedside Monitor · Oridion Capnography, Inc. · 2006 · recalledK050844 · 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL, 750C-3MS, 750CM-3MS, 750C-3NL, 750CM-3NL · Cas Medical Systems, Inc. · 2005K033048 · Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL, 740M-2NL, 740-2NN, 740M-2NN, 740-3MS, 740M-3MS · Cas Medical Systems, Inc. · 2004 · recalledK021090 · Oximax N-550 Pulse Oximeter,Model N-550 Pulse Oximeter · Nellcor Puritan Bennett, Inc. · 2002K012891 · Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and Cables (Aka Accessories) · Nellcor Puritan Bennett, Inc. · 2002 · recalledK991823 · N-395 Pulse Oximeter, Model N-395 · Nellcor Puritan Bennett, Inc. · 1999K982255 · Model 2000 Pulse Oximeter · Ivy Biomedical Systems, Inc. · 1998K973887 · Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and Cables · Masimo Corp. · 1998K962603 · Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & Cables · Masimo Corp. · 1997−15−10−50
  1. Root · 18 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
  2. 14 generations between
  3. 3 generations backK121013 Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc. · 2012
  4. 2 generations backK132808 Vital Signs Monitor, Connex Vital Signs MonitorWelch Allyn, Inc. · 2013
  5. 1 generation backK171621 Welch Allyn Connex Vital Signs Monitor, Welch Allyn Connex…Welch Allyn, Inc. · 2017 · Recalled
  6. This deviceK212473 Welch Allyn Connex Central StationWelch Allyn, Inc. · 2022
Show all 18 generations
  1. Root · 18 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
  2. 17 generations backK973887 Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and…Masimo Corp. · 1998
  3. 16 generations backK982255 Model 2000 Pulse OximeterIvy Biomedical Systems, Inc. · 1998
  4. 15 generations backK991823 N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc. · 1999
  5. 14 generations backK012891 Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax…Nellcor Puritan Bennett, Inc. · 2002 · Recalled
  6. 13 generations backK021090 Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc. · 2002
  7. 12 generations backK033048 Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS…Cas Medical Systems, Inc. · 2004 · Recalled
  8. 11 generations backK050844 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL…Cas Medical Systems, Inc. · 2005
  9. 10 generations backK060065 CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One…Oridion Capnography, Inc. · 2006 · Recalled
  10. 9 generations backK072295 Capnostream 20 with A2 Adaptive Averaging SoftwareOridion Capnography, Inc. · 2007
  11. 8 generations backK082268 CAPNOSTREAM20 with Integrated Pulmonary IndexOridion Capnography, Inc. · 2009 · Recalled
  12. 7 generations backK091241 Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse…Masimo Corporation · 2009
  13. 6 generations backK100428 Masimo Rainbow Set Radical 7R Pulse CO-OximeterMasimo Corporation · 2010
  14. 5 generations backK110516 Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc. · 2011
  15. 4 generations backK112687 Connex (R) Vital Signs Monitor 6000 SeriesWelch Allyn, Inc. · 2011
  16. 3 generations backK121013 Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc. · 2012
  17. 2 generations backK132808 Vital Signs Monitor, Connex Vital Signs MonitorWelch Allyn, Inc. · 2013
  18. 1 generation backK171621 Welch Allyn Connex Vital Signs Monitor, Welch Allyn Connex…Welch Allyn, Inc. · 2017 · Recalled
  19. This deviceK212473 Welch Allyn Connex Central StationWelch Allyn, Inc. · 2022

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−18K962603Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp.1997—
−17K973887Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and CablesMasimo Corp.1998—
−16K982255Model 2000 Pulse OximeterIvy Biomedical Systems, Inc.1998—
−15K991823N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc.1999—
−14K012891Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and…Nellcor Puritan Bennett, Inc.20021
−13K021090Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc.2002—
−12K033048Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL…Cas Medical Systems, Inc.20041
−11K050844750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL…Cas Medical Systems, Inc.2005—
−10K060065CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One Parameter…Oridion Capnography, Inc.20063
−9K072295Capnostream 20 with A2 Adaptive Averaging SoftwareOridion Capnography, Inc.2007—
−8K082268CAPNOSTREAM20 with Integrated Pulmonary IndexOridion Capnography, Inc.20099
−7K091241Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse CO-OximeterMasimo Corporation2009—
−6K100428Masimo Rainbow Set Radical 7R Pulse CO-OximeterMasimo Corporation2010—
−5K110516Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc.2011—
−4K112687Connex (R) Vital Signs Monitor 6000 SeriesWelch Allyn, Inc.2011—
−3K121013Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc.2012—
−2K132808Vital Signs Monitor, Connex Vital Signs MonitorWelch Allyn, Inc.2013—
−1K171621Welch Allyn Connex Vital Signs Monitor, Welch Allyn Connex Integrated Wall…Welch Allyn, Inc.20173
0 (this device)K212473Welch Allyn Connex Central StationWelch Allyn, Inc.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
199020
199130
199210
199320
199410
199550
199630
199731
199840
199930
200040
200110
200240
200350
200450
200530
200630
200810
201030
201220
201410
201610
FIG. 1 — Lineage of K212473, 1997–2022Source: 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.

1 device in this family has a Class I recall. 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 MWI device

  1. #1 K230457 Empatica Health Monitoring Platform…score 28.0 · 39 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

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
*K132807Monitoring Station, Connex (R) Central Station (CS)
Summary page 5
…Page 1 of 2 The subject device Connex Central Station and the primary predicate device Connex Central Station (K132807) have the same fundamental technology characteristics. A feature difference is that the subject Connex Central Station device dis…
Welch Allyn, Inc.2014—
*K171621Welch Allyn Connex Vital Signs Monitor, Welch Allyn Connex Integrated Wall System…
Summary page 4
…o_n_ne _ _(v_. _1._5)_ ------� �I M_W_I___� _ on I K 1 71 62 1 11 Welch Allyn® Connex® Vital Signs Monitor/CIWS…
Welch Allyn, Inc.20173

Also cleared against K132807: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K970209Capnocheck PlusBci Intl., Inc. · 1997 · 4 generations back · ◆ in the 1997 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 25 years and passes through 7 companies; a new generation was cleared every 11 months on median.
  • 17 of the 79 ancestors have a recall of any class; 1 has a Class I recall.
  • 1 other device also cites its predicate K132807.

How does its category compare?

All MWI devices

MWI Monitor, Physiological, Patient (Without Arrhythmia Detection Or Alarms): FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · MWI

4in 2025

2007: 92008: 92009: 62010: 172011: 112012: 132013: 202014: 162015: 192016: 122017: 132018: 112019: 142020: 82021: 92022: 52023: 82024: 102025: 42026 (partial year): 6
2007high 20 (2013) · low 4 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MWI

247in 2025

2007: 42 days median2008: 49 days median2009: 112 days median2010: 58 days median2011: 78 days median2012: 104 days median2013: 85 days median2014: 148 days median2015: 127 days median2016: 165 days median2017: 205 days median2018: 217 days median2019: 255 days median2020: 138 days median2021: 161 days median2022: 231 days median2023: 250 days median2024: 202 days median2025: 247 days median2026 (partial year): 239 days median
2007high 255 (2019) · low 42 (2007)2026

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

Recalls per year · MWI

9so far in 2026, the most since 2007

2007: 12008: 12009: 22010: 22011: 32012: 52013: 32014: 62015: 12017: 22019: 42022: 22024: 52026 (partial year): 9
2007high 9 (2026) · low 0 (2016)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · MWI

182in 2025

2007: 32008: 32009: 202010: 172011: 162012: 312013: 422014: 302015: 312016: 512017: 852018: 1582019: 1692020: 1102021: 1882022: 1682023: 1792024: 1202025: 182
2007high 188 (2021) · low 3 (2007)2025

MAUDE reports naming product code MWI, 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
200794213
200894913
20096112220
20101758217
20111178316
201213104531
20132085342
201416148630
201519127131
201612165051
201713205285
2018112170158
2019142554169
202081380110
202191610188
202252312168
202382500179
2024102025120
202542470182
202662399—

What is it indicated for?

The Connex Central Station is intended to be used by clinicians for the central monitoring of

neonatal, pediatric and adult patients in health care facilities. In addition to the central

monitoring of patient data and alarms, the Connex software can include optional modules to provide

extended recording of patient data, including full disclosure.

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. “K212473: Welch Allyn Connex Central Station.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K212473

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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