510(k) Report

510(k) · Cleared

Cleared

Dolphin Medical Stand-Alone Pulse Oximeter

K024235510(k) SpecialCleared Mar 17, 200384-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

Dolphin Medical, Inc. · DQA Oximeter

Cleared on Mar 17, 2003 as substantially equivalent to K002036 (Osi Medical, Inc., 2001) and 4 other predicates after an 84-day review. Its family tree reaches back 4 generations to 2001. 4 later devices descend from it.

Decided
Mar 17, 2003
Review
84 days
Class
Class II
Product code
DQA
Recalls
None
Predicates
5

Its longest line of descent runs back 4 generations to K002036 (2001). 5 ancestors in all. 4 later devices descend from it, 2 citing it directly.

  1. Root · 4 generations backK002036 Osi Medical Dolphin Stand-Alone Pulse Oximeter, Model 2100 and…Osi Medical, Inc. · 2001
  2. 3 generations backK012533 Modification to Osi Medical Dolphin Stand-Alone Pulse Oximeter and…Osi Medical, Inc. · 2001
  3. 2 generations backK020075 Modification to Osi Medical Dolphin Stand-Alone Pulse OximeterDolphin Medical, Inc. · 2002
  4. 1 generation backK021959 Dolphin Medical Stand-Alone Pulse Oximeter, Model 2100Dolphin Medical, Inc. · 2002
  5. This deviceK024235 Dolphin Medical Stand-Alone Pulse OximeterDolphin Medical, Inc. · 2003
  6. Descendant · cites it directly · 2 of its ownK030629 Dolphin Medical 2150 Handheld Pulse OximeterDolphin Medical, Inc. · 2003
  7. Descendant · 2 generations on · 1 of its ownK040380 Dolphin Medical Dolphin One Adult Reusable Forehead Sensor, Model 420Dolphin Medical, Inc. · 2004
  8. Descendant · 3 generations on · 0 of its ownK242290 DormoTech NLabDormotech Medical, Ltd. · 2025
  9. Descendant · cites it directly · 0 of its ownK031465 Model 2100 Pulse OximeterDolphin Medical, Inc. · 2003

Most influential descendants

Showing 4 of 4 · See all
  • K030629Dolphin Medical 2150 Handheld Pulse OximeterDolphin Medical, Inc. · 2003 · cites it directly2descendants
  • K040380Dolphin Medical Dolphin One Adult Reusable Forehead Sensor, Model 420Dolphin Medical, Inc. · 2004 · 2 generations on1descendant
  • K242290DormoTech NLabDormotech Medical, Ltd. · 2025 · 3 generations on0descendants
  • K031465Model 2100 Pulse OximeterDolphin Medical, Inc. · 2003 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K002036Osi Medical Dolphin Stand-Alone Pulse Oximeter, Model 2100 and Digital Dolphin…Osi Medical, Inc.2001—
−3K012533Modification to Osi Medical Dolphin Stand-Alone Pulse Oximeter and AccessoriesOsi Medical, Inc.2001—
−2K020075Modification to Osi Medical Dolphin Stand-Alone Pulse OximeterDolphin Medical, Inc.2002—
−1K021959Dolphin Medical Stand-Alone Pulse Oximeter, Model 2100Dolphin Medical, Inc.2002—
0 (this device)K024235Dolphin Medical Stand-Alone Pulse OximeterDolphin Medical, Inc.2003—
+1K030629Dolphin Medical 2150 Handheld Pulse OximeterDolphin Medical, Inc.2003—
+2K040380Dolphin Medical Dolphin One Adult Reusable Forehead Sensor, Model 420Dolphin Medical, Inc.2004—
+3K242290DormoTech NLabDormotech Medical, Ltd.2025—
+1K031465Model 2100 Pulse OximeterDolphin Medical, Inc.2003—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200320
200410
202510
FIG. 1 — Lineage of K024235, 2001–2025Source: 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 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. #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
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What was it cleared against? (5)

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
*K002036Osi Medical Dolphin Stand-Alone Pulse Oximeter, Model 2100 and Digital Dolphin Optical…
Summary page 1
…stantially equivalent to the following cixrently marketed device(s): 0 Dolphin Medical Stand-Alone Pulse Oximeter, Model No. 2100 and Accessories #K002036, #KO12533, #KO12626, #KO20075 and #KO21959. The Dolphin Medical Pulse Oximeter Model 2100 and Accessorie…
Osi Medical, Inc.2001—
*K012533Modification to Osi Medical Dolphin Stand-Alone Pulse Oximeter and AccessoriesOsi Medical, Inc.2001—
*K012626Osi Medical Dolphin Stand-Alone Pulse Oximeter & Digital Dolphin Disposable Optical SendorOsi Medical, Inc.2001—
*K020075Modification to Osi Medical Dolphin Stand-Alone Pulse OximeterDolphin Medical, Inc.2002—
*K021959Dolphin Medical Stand-Alone Pulse Oximeter, Model 2100Dolphin Medical, Inc.2002—

Also cleared against K002036: 6 other devices →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K030629Dolphin Medical 2150 Handheld Pulse OximeterDolphin Medical, Inc.20032
K031465Model 2100 Pulse OximeterDolphin Medical, Inc.20030

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 2 years and passes through 2 companies; a new generation was cleared every 6 months on median.
  • None of the 5 ancestors has a recall.
  • Of its descendants, K030629 (Dolphin Medical, Inc., 2003) has gone furthest, with 2 descendants of its own.
  • 6 other devices also cite its predicate K002036.

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?

The Dolphin Medical Stand-Alone Pulse Oximeter, Model No. 2100 and Accessories are indicated for the continuous noninvasive monitoring of functional oxygen saturation of arterial hemoglobin (SpOz) and pulse rate (measured by an Sp02 sensor).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K024235: Dolphin Medical Stand-Alone Pulse Oximeter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K024235

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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