510(k) Report

510(k) · Cleared

Cleared

Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse CO-Oximeter

K091241510(k) TraditionalCleared Nov 6, 2009193-day reviewClass II21 CFR 870.2700

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

Masimo Corporation · DQA Oximeter

Cleared on Nov 6, 2009 as substantially equivalent to K080238 (Masimo Corporation, 2008) and 2 other predicates after a 193-day review. Its family tree reaches back 11 generations to 1997. 1 of the 203 devices in its family, counting itself, has a Class I recall. 155 later devices descend from it.

Decided
Nov 6, 2009
Review
193 days
Class
Class II
Product code
DQA
Recalls
None
Predicates
3

Its longest line of descent runs back 11 generations to K962603 (1997). 47 ancestors in all, the oldest K853990 (1985). 155 later devices descend from it, 4 citing it directly. 1 of the 203 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2008: 1 other ancestor2002: 2 other ancestors2006: 2 other ancestors1985: 1 other ancestor2005: 2 other ancestors2004: 3 other ancestors2003: 2 other ancestors2000: 2 other ancestors1999: 3 other ancestors1995: 4 other ancestors1990: 2 other ancestors1998: 4 other ancestors1997: 2 other ancestors, 1 with a Class I recall11996: 2 other ancestors1991: 2 other ancestors1993: 1 other ancestor1992: 1 other ancestor2012: 5 descendants cleared2010: 1 descendant cleared2021: 7 descendants cleared2013: 3 descendants cleared2014: 11 descendants cleared2015: 6 descendants cleared2016: 7 descendants cleared2011: 3 descendants cleared2018: 10 descendants cleared2025: 14 descendants cleared2019: 14 descendants cleared2017: 8 descendants cleared2022: 16 descendants cleared2024: 16 descendants cleared2020: 9 descendants cleared2026: 12 descendants cleared2023: 13 descendants clearedK962603 · 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 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 3 other ancestors3 generations back: 2 other ancestors4 generations back: 5 other ancestors5 generations back: 10 other ancestors6 generations back: 7 other ancestors, 1 with a Class I recall17 generations back: 5 other ancestors8 generations back: 2 other ancestors 1 generation forward: 4 descendants2 generations forward: 12 descendants3 generations forward: 20 descendants4 generations forward: 31 descendants5 generations forward: 18 descendants6 generations forward: 18 descendants7 generations forward: 20 descendants8 generations forward: 26 descendants9 generations forward: 6 descendants K082268 · 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. · 1997−10−50+5
  1. Root · 11 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
  2. 7 generations between
  3. 3 generations backK060065 CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One…Oridion Capnography, Inc. · 2006 · Recalled
  4. 2 generations backK072295 Capnostream 20 with A2 Adaptive Averaging SoftwareOridion Capnography, Inc. · 2007
  5. 1 generation backK082268 CAPNOSTREAM20 with Integrated Pulmonary IndexOridion Capnography, Inc. · 2009 · Recalled
  6. This deviceK091241 Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse…Masimo Corporation · 2009
  7. Descendant · cites it directly · 115 of its ownK100428 Masimo Rainbow Set Radical 7R Pulse CO-OximeterMasimo Corporation · 2010
  8. Descendant · 2 generations on · 89 of its ownK110028 Masimo Radical Y Pulse CO-OximeterMasimo Corporation · 2011
  9. Descendant · 2 generations on · 67 of its ownK110516 Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc. · 2011
  10. Descendant · 3 generations on · 66 of its ownK112687 Connex (R) Vital Signs Monitor 6000 SeriesWelch Allyn, Inc. · 2011
  11. Descendant · 2 generations on · 65 of its ownK121013 Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc. · 2012
Show all 11 generations
  1. Root · 11 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
  2. 10 generations backK973887 Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and…Masimo Corp. · 1998
  3. 9 generations backK982255 Model 2000 Pulse OximeterIvy Biomedical Systems, Inc. · 1998
  4. 8 generations backK991823 N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc. · 1999
  5. 7 generations backK012891 Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax…Nellcor Puritan Bennett, Inc. · 2002 · Recalled
  6. 6 generations backK021090 Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc. · 2002
  7. 5 generations backK033048 Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS…Cas Medical Systems, Inc. · 2004 · Recalled
  8. 4 generations backK050844 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL…Cas Medical Systems, Inc. · 2005
  9. 3 generations backK060065 CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One…Oridion Capnography, Inc. · 2006 · Recalled
  10. 2 generations backK072295 Capnostream 20 with A2 Adaptive Averaging SoftwareOridion Capnography, Inc. · 2007
  11. 1 generation backK082268 CAPNOSTREAM20 with Integrated Pulmonary IndexOridion Capnography, Inc. · 2009 · Recalled
  12. This deviceK091241 Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse…Masimo Corporation · 2009

Showing 5 of 155 descendants. See all descendants

Descendants cleared per year

2010: 12011: 32012: 52013: 32014: 112015: 62016: 72017: 82018: 102019: 142020: 92021: 72022: 162023: 132024: 162025: 142026: 12
2010high 16 (2022) · low 1 (2010)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 155 · See all
  • K100428Masimo Rainbow Set Radical 7R Pulse CO-OximeterMasimo Corporation · 2010 · cites it directly115descendants
  • K110028Masimo Radical Y Pulse CO-OximeterMasimo Corporation · 2011 · 2 generations on89descendants
  • K110516Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc. · 2011 · 2 generations on67descendants
  • K112687Connex (R) Vital Signs Monitor 6000 SeriesWelch Allyn, Inc. · 2011 · 3 generations on66descendants
  • K121013Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc. · 2012 · 2 generations on65descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K962603Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp.1997—
−10K973887Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and CablesMasimo Corp.1998—
−9K982255Model 2000 Pulse OximeterIvy Biomedical Systems, Inc.1998—
−8K991823N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc.1999—
−7K012891Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and…Nellcor Puritan Bennett, Inc.20021
−6K021090Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc.2002—
−5K033048Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL…Cas Medical Systems, Inc.20041
−4K050844750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL…Cas Medical Systems, Inc.2005—
−3K060065CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One Parameter…Oridion Capnography, Inc.20063
−2K072295Capnostream 20 with A2 Adaptive Averaging SoftwareOridion Capnography, Inc.2007—
−1K082268CAPNOSTREAM20 with Integrated Pulmonary IndexOridion Capnography, Inc.20099
0 (this device)K091241Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse CO-OximeterMasimo Corporation2009—
+1K100428Masimo Rainbow Set Radical 7R Pulse CO-OximeterMasimo Corporation2010—
+2K110028Masimo Radical Y Pulse CO-OximeterMasimo Corporation2011—
+2K110516Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc.2011—
+3K112687Connex (R) Vital Signs Monitor 6000 SeriesWelch Allyn, Inc.2011—
+2K121013Connex Vital Signs Monitor 6000 SeriesWelch Allyn, Inc.2012—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
199020
199120
199210
199310
199540
199620
199721
199840
199930
200020
200220
200320
200430
200520
200620
200810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201010
201130
201250
201330
2014110
201560
201670
201780
2018100
2019140
202090
202170
2022160
2023130
2024160
2025140
2026120
FIG. 1 — Lineage of K091241, 1997–2026Source: 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.

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 DQA device

  1. #1 K221282 Empatica Health Monitoring Platformscore 20.1 · 38 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? (3)

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
*K080238Masimo Rainbow Set Radical 7 Pulse CO-Oximeter, Masimo Rainbow Set Rad 87 Pulse…
Summary page 1
…DQA, BZQ, DPZ, JKS Substantially Equivalent Devices Masimo Rainbow SEr"Rad 87 Pulse CO-Oximeters and Accessories, 51 0(k) Number - K080238 Oridion Capnography Inc., Capnostream 20 with Integrated…
Masimo Corporation20081
*K082268CAPNOSTREAM20 with Integrated Pulmonary Index
Summary page 1
…238 Oridion Capnography Inc., Capnostream 20 with Integrated Pulmonary Index, 51 0(k) Number - K082268 Andromed Inc., Biological Sound Monitor (BSM) Sensor 5…
Oridion Capnography, Inc.20099
*K021389Biological Sound Monitor (BSM) Sensor
Summary page 1
…51 0(k) Number - K082268 Andromed Inc., Biological Sound Monitor (BSM) Sensor 510(k) Number - K021389 Description of the Device The Rainbow SET' Rad 87 Pulse CO-Oximeter and accessories (Rad 87) include the MIX board with Masimo…
Andromed, Inc.2002—

Also cleared against K080238: 10 other devices →

What descends from it? (155)

See all 155

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

NumberDeviceApplicantDecidedDescendants
K100428Masimo Rainbow Set Radical 7R Pulse CO-OximeterMasimo Corporation2010115
K120657Masimo Set and Masimo Rainbow Set Pulse Oximeters and SensorsMasimo Corporation201237
K120984Masimo Ras-125C Acoustic Respiration SensorMasimo Corporation20132
K201887VS Newborn Heart Rate MonitorSurepulse Medical Limited20210

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 · 6 generations back · ◆ in the 1997 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 12 years and passes through 6 companies; a new generation was cleared every 11 months on median.
  • 11 of the 47 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K100428 (Masimo Corporation, 2010) has gone furthest, with 115 descendants of its own.
  • 10 other devices also cite its predicate K080238.

How does its category compare?

All DQA devices

DQA Oximeter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.

FDA decisions per year · DQA

15in 2025

2007: 202008: 222009: 352010: 292011: 152012: 142013: 152014: 112015: 132016: 142017: 92018: 182019: 192020: 152021: 102022: 202023: 132024: 142025: 152026 (partial year): 8
2007high 35 (2009) · low 9 (2017)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DQA

182in 2025

2007: 122 days median2008: 97 days median2009: 117 days median2010: 127 days median2011: 195 days median2012: 120 days median2013: 182 days median2014: 175 days median2015: 158 days median2016: 246 days median2017: 200 days median2018: 260 days median2019: 158 days median2020: 126 days median2021: 174 days median2022: 265 days median2023: 317 days median2024: 285 days median2025: 182 days median2026 (partial year): 187 days median
2007high 317 (2023) · low 97 (2008)2026

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

Recalls per year · DQA

3in 2024

2007: 62008: 52009: 292010: 42011: 12014: 22015: 12018: 322024: 3
2007high 32 (2018) · low 0 (2012)2026

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

Adverse event reports per year · DQA

399in 2025

2007: 3252008: 3122009: 2812010: 1852011: 1642012: 3222013: 4682014: 1,1242015: 2,0822016: 1,7752017: 1,1902018: 6942019: 5482020: 4262021: 5532022: 4782023: 3922024: 5452025: 399
2007high 2,082 (2015) · low 164 (2011)2025

MAUDE reports naming product code DQA, 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
2007201226325
200822975312
20093511729281
2010291274185
2011151951164
2012141200322
2013151820468
20141117521,124
20151315812,082
20161424601,775
2017920001,190
20181826032694
2019191580548
2020151260426
2021101740553
2022202650478
2023133170392
2024142853545
2025151820399
202681870—

What is it indicated for?

The Masimo Rainbow SETr Rad 87 Pulse CO-Oximeter and accessories are indicated for the continuous noninvasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO 2), pulse rate, carboxyhemoglobin saturation (SpCO), methemoglobin saturation (SpMet), total hemoglobin concentration (SpHb), and/or respiratory rate (RR). The Masimo Rainbow SET® Rad 87 Pulse CO-Oximeter and accessories are indicated for use with adult, pediatric, and neonatal patients during both no motion and motion conditions, and for patients who are well or poorly perfused in hospitals, hospital-type facilities, mobile, and home environments.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K091241: Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse CO-Oximeter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K091241

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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