510(k) · Cleared

Cleared

Dolphin 2000 Oximetry Sensors, Models 2020, 2040, 2060, 2070, 2321, 2323, 2341, 2342, 2343, 2344, 2220, 2260 and 2422

K033876510(k) SpecialCleared Mar 11, 200487-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

Cleared on Mar 11, 2004 as substantially equivalent to K030952 (Dolphin Medical, Inc., 2003) and 2 other predicates after an 87-day review. Its family tree reaches back 6 generations to 1997.

Decided: Mar 11, 2004
Review: 87 days
Class: Class II
Product code: DQA
Recalls: None
Predicates: 3

Its longest line of descent runs back 6 generations to K962603 (1997). 10 ancestors in all, the oldest K863784 (1986). No later device cites it as a predicate yet.

By dateBy generation

Root · 6 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
5 generations backK973887 Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and…Masimo Corp. · 1998
4 generations backK982255 Model 2000 Pulse OximeterIvy Biomedical Systems, Inc. · 1998
3 generations backK991823 N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc. · 1999
2 generations backK030952 Dolphin 2000 Pulse Oximetry Sensors Models 2010, 2311 Adult, 2312…Dolphin Medical, Inc. · 2003
1 generation backK032947 Nellcor Compatible Dolphin 2000 Y Oximetry Sensor, Model 2210Dolphin Medical, Inc. · 2003
This deviceK033876 Dolphin 2000 Oximetry Sensors, Models 2020, 2040, 2060, 2070, 2321…Dolphin Medical, Inc. · 2004

View FIG. 1 as a table

Line of descent and top descendants

Generation	Number	Device	Applicant	Decided	Recalls
−6	K962603	Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & Cables	Masimo Corp.	1997	—
−5	K973887	Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and Cables	Masimo Corp.	1998	—
−4	K982255	Model 2000 Pulse Oximeter	Ivy Biomedical Systems, Inc.	1998	—
−3	K991823	N-395 Pulse Oximeter, Model N-395	Nellcor Puritan Bennett, Inc.	1999	—
−2	K030952	Dolphin 2000 Pulse Oximetry Sensors Models 2010, 2311 Adult, 2312 Pediatric…	Dolphin Medical, Inc.	2003	—
−1	K032947	Nellcor Compatible Dolphin 2000 Y Oximetry Sensor, Model 2210	Dolphin Medical, Inc.	2003	—
0 (this device)	K033876	Dolphin 2000 Oximetry Sensors, Models 2020, 2040, 2060, 2070, 2321, 2323…	Dolphin Medical, Inc.	2004	—

Other ancestors by year cleared

Year cleared	Devices	With a Class I recall
1986	1	0
1996	2	0
2002	1	0

FIG. 1 — Lineage of K033876, 1997–2004Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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 DQA? 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 K221282 Empatica Health Monitoring Platformscore 20.1 · 38 generations · no Class I recall
#2 Held for the reportin the report
#3 Held for the reportin the report

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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.

Type	Number	Device	Applicant	Decided	Recalls
*	K030952	Dolphin 2000 Pulse Oximetry Sensors Models 2010, 2311 Adult, 2312 Pediatric, 2313… Summary page 1 …Sensor Model # Predicate Predicate Model # 510(k) # 2020, 2040, 2060, & Model 2010 K030952 2070 2321 &2341 2351 K012989 2342 2352 K…	Dolphin Medical, Inc.	2003	—
*	K012989	Dolphin 2000 Oximetry Sensor, Models, 2050, 2351, 2354, 2070 Summary page 1 …Model # 510(k) # 2020, 2040, 2060, & Model 2010 K030952 2070 2321 &2341 2351 K012989 2342 2352 K012989 2323, & 2343 2353 K012989…	Dolphin Medical, Inc.	2002	—
*	K032947	Nellcor Compatible Dolphin 2000 Y Oximetry Sensor, Model 2210 Summary page 1 …2323, & 2343 2353 K012989 2344 2354 K012989 2220 & 2260 2210 K032947 2422, 2424, & 2426 2421 K030952 Extension Cables…	Dolphin Medical, Inc.	2003	—

Also cleared against K030952: 2 other devices →

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 7 years and passes through 4 companies; a new generation was cleared every 10 months on median.
None of the 10 ancestors has a recall.
2 other devices also cite its predicate K030952.

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

2007high 35 (2009) · low 9 (2017)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DQA

182in 2025

2007high 317 (2023) · low 97 (2008)2026

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

Recalls per year · DQA

3in 2024

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

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

Year	Decisions	Median 510(k) review, days	Recalls (Class I)	MAUDE reports
2007	20	122	6	325
2008	22	97	5	312
2009	35	117	29	281
2010	29	127	4	185
2011	15	195	1	164
2012	14	120	0	322
2013	15	182	0	468
2014	11	175	2	1,124
2015	13	158	1	2,082
2016	14	246	0	1,775
2017	9	200	0	1,190
2018	18	260	32	694
2019	19	158	0	548
2020	15	126	0	426
2021	10	174	0	553
2022	20	265	0	478
2023	13	317	0	392
2024	14	285	3	545
2025	15	182	0	399
2026	8	187	0	—

What is it indicated for?

The Dolphin 2000 Oximetry Sensors are indicated for use in continuous monitoring of arterial oxygen saturation and pulse rate.

Indications for use as stated in the FDA summary.

https://510kreport.com/device/K033876 · printed Nov 4, 2026

Cite this page

510(k) Report. “K033876: Dolphin 2000 Oximetry Sensors, Models 2020, 2040, 2060, 2070, 2321, 2323, 2341, 2342, 2343, 2344, 2220, 2260 and 2422.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K033876

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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