510(k) Report

510(k) · Cleared

Cleared

Model 2000 Pulse Oximeter

K982255510(k) TraditionalCleared Oct 22, 1998118-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

Ivy Biomedical Systems, Inc. · DQA Oximeter

Cleared on Oct 22, 1998 as substantially equivalent to K973887 (Masimo Corp., 1998) after a 118-day review. Its family tree reaches back 2 generations to 1997. 6 of the 819 devices in its family, counting itself, have a Class I recall. 816 later devices descend from it.

Decided
Oct 22, 1998
Review
118 days
Class
Class II
Product code
DQA
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K962603 (1997). 816 later devices descend from it, 3 citing it directly. 6 of the 819 devices in this family, counting this one, have a Class I recall.

Descendants, by year cleared 1999: 2 descendants cleared2000: 1 descendant cleared2004: 23 descendants cleared2014: 36 descendants cleared, 2 with a Class I recall22002: 8 descendants cleared2003: 10 descendants cleared2013: 36 descendants cleared, 1 with a Class I recall12001: 1 descendant cleared2006: 28 descendants cleared2008: 24 descendants cleared2009: 38 descendants cleared, 1 with a Class I recall12010: 37 descendants cleared, 1 with a Class I recall12005: 19 descendants cleared2007: 14 descendants cleared, 1 with a Class I recall12011: 34 descendants cleared2022: 44 descendants cleared2016: 34 descendants cleared2017: 37 descendants cleared2012: 38 descendants cleared2015: 42 descendants cleared2018: 42 descendants cleared2024: 37 descendants cleared2019: 45 descendants cleared2025: 50 descendants cleared2020: 36 descendants cleared2026: 31 descendants cleared2023: 44 descendants cleared2021: 25 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. · 19981995200020052010201520202025
Descendants, by generation 1 generation forward: 3 descendants2 generations forward: 31 descendants3 generations forward: 89 descendants, 2 with a Class I recall24 generations forward: 137 descendants, 2 with a Class I recall25 generations forward: 149 descendants6 generations forward: 134 descendants7 generations forward: 120 descendants, 1 with a Class I recall18 generations forward: 81 descendants9 generations forward: 48 descendants, 1 with a Class I recall110 generations forward: 19 descendants11 generations forward: 5 descendants K973887 · 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. · 19970+5+10
  1. Root · 2 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
  2. 1 generation backK973887 Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and…Masimo Corp. · 1998
  3. This deviceK982255 Model 2000 Pulse OximeterIvy Biomedical Systems, Inc. · 1998
  4. Descendant · cites it directly · 785 of its ownK991823 N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc. · 1999
  5. Descendant · cites it directly · 715 of its ownK993637 N-395 Pulse Oximeter, with Extended Device ClaimsNellcor Puritan Bennett, Inc. · 1999 · Recalled
  6. Descendant · 2 generations on · 548 of its ownK012891 Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax…Nellcor Puritan Bennett, Inc. · 2002 · Recalled
  7. Descendant · 3 generations on · 426 of its ownK021090 Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc. · 2002
  8. Descendant · 4 generations on · 290 of its ownK031740 VSM - Vital Signs Monitor, Model 53000 SeriesWelch Allyn Protocol, Inc. · 2003

Showing 5 of 816 descendants. See all descendants

Descendants cleared per year

1999: 22000: 12001: 12002: 82003: 102004: 232005: 192006: 282007: 142008: 242009: 382010: 372011: 342012: 382013: 362014: 362015: 422016: 342017: 372018: 422019: 452020: 362021: 252022: 442023: 442024: 372025: 502026: 31
1999high 50 (2025) · low 1 (2000)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 816 · See all
  • K991823N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc. · 1999 · cites it directly785descendants
  • K993637N-395 Pulse Oximeter, with Extended Device ClaimsNellcor Puritan Bennett, Inc. · 1999 · cites it directly715descendants
  • K012891Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and Cables…Nellcor Puritan Bennett, Inc. · 2002 · 2 generations on548descendants
  • K021090Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc. · 2002 · 3 generations on426descendants
  • K031740VSM - Vital Signs Monitor, Model 53000 SeriesWelch Allyn Protocol, Inc. · 2003 · 4 generations on290descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K962603Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp.1997—
−1K973887Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and CablesMasimo Corp.1998—
0 (this device)K982255Model 2000 Pulse OximeterIvy Biomedical Systems, Inc.1998—
+1K991823N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc.1999—
+1K993637N-395 Pulse Oximeter, with Extended Device ClaimsNellcor Puritan Bennett, Inc.19991
+2K012891Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and…Nellcor Puritan Bennett, Inc.20021
+3K021090Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc.2002—
+4K031740VSM - Vital Signs Monitor, Model 53000 SeriesWelch Allyn Protocol, Inc.2003—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199920
200010
200110
200280
2003100
2004230
2005190
2006280
2007141
2008240
2009381
2010371
2011340
2012380
2013361
2014362
2015420
2016340
2017370
2018420
2019450
2020360
2021250
2022440
2023440
2024370
2025500
2026310
FIG. 1 — Lineage of K982255, 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.

6 devices in this family have 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? (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
*K973887Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and Cables
Summary page 1
…ulse Oximeter Common Name: Pulse Oximeter Classification Name: Oximeter (74DQA) Substantially Equivalent Devices: Masimo SET® MS-1P Pulse Oximeter and accessories 510K# K973887. Description of Model 2000 Pulse Oximeter The Model 2000 pulse oximeter is a device consisting of the Masimo SET® technology (l…
Masimo Corp.1998—

Also cleared against K973887: 1 other device →

What descends from it? (816)

See all 816

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

NumberDeviceApplicantDecidedDescendants
K991823N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc.1999785
K993637N-395 Pulse Oximeter, with Extended Device ClaimsNellcor Puritan Bennett, Inc.1999715
K993979MARSPO2, Model 2001Novametrix Medical Systems, Inc.2000255

Has anything in its family been recalled? (6 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.

  • K093261MOVESThornhill Research, Inc. · 2010 · 3 generations on · ◆ in the 2010 descendants bar of FIG. 12 Class I recalls
  • K070377Giraffe and Panda WarmerOhmeda Medical · 2007 · 3 generations on · ◆ in the 2007 descendants bar of FIG. 11 Class I recall
  • K123309Giraffe and Panda WarmersOhmeda Medical · 2013 · 4 generations on · ◆ in the 2013 descendants bar of FIG. 13 Class I recalls
  • K090697Modification to: Giraffe and Panda WarmerOhmeda Medical · 2009 · 4 generations on · ◆ in the 2009 descendants bar of FIG. 11 Class I recall
  • K133576Monitor B40Ge Medical Systems China Co., Ltd. · 2014 · 7 generations on · ◆ in the 2014 descendants bar of FIG. 11 Class I recall
  • K123690CAPNOSTREAM20P with Hifi C02 MonitoringOridion Medical 1987, Ltd. · 2014 · 9 generations on · ◆ in the 2014 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 1 year and passes through 2 companies; a new generation was cleared every 11 months on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K991823 (Nellcor Puritan Bennett, Inc., 1999) has gone furthest, with 785 descendants of its own.
  • 1 other device also cites its predicate K973887.

How does its category compare?

All DQA devices

DQA Oximeter: FDA decisions, review times, recalls and adverse event reports over 20 years.

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?

Model 2000 Pulse Oximeter is indicated for the continuous noninvasive monitoring of arterial oxygen saturation (SpO₂) and pulse rates for adult, pediatric and neonatal patients in a hospital and mobile environment (within the hospital).

In addition the Model 2000 is indicated for the continuous non-invasive monitoring of arterial oxygen saturation (SpO₂) and pulse rates for adults during patient motion conditions.

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. “K982255: Model 2000 Pulse Oximeter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K982255

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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