510(k) Report

510(k) · Cleared

Cleared

OxSAT 100

K191574510(k) TraditionalCleared Apr 9, 2020300-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

S.L.P., Ltd. · DQA Oximeter

Cleared on Apr 9, 2020 as substantially equivalent to K043359 (Nonin Medical, Inc., 2005) after a 300-day review. Its family tree reaches back 7 generations to 1991.

Decided
Apr 9, 2020
Review
300 days
Class
Class II
Product code
DQA
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K910772 (1991). 14 ancestors in all, the oldest K893221 (1990). No later device cites it as a predicate yet.

  1. Root · 7 generations backK910772 Propaq 102, 104 and 106Protocol Systems, Inc. · 1991
  2. 6 generations backK972020 Oscillomate Non-Invasive Blood Pressure MonitorCas Medical Systems, Inc. · 1998
  3. 5 generations backK980879 Oscillomate Nibp / SP02 Ems MonitorCas Medical Systems, Inc. · 1998
  4. 4 generations backK982776 9303 Neonatal/Adult Vital Signs MonitorCas Medical Systems, Inc. · 1998
  5. 3 generations backK013319 Nonin Model 2120 Pulse Oximeter and Noninvasive Blood Pressure…Nonin Medical, Inc. · 2002
  6. 2 generations backK041156 Avant Digital Pulse Oximetry System, Models 4000, 4001Nonin Medical, Inc. · 2004 · Recalled
  7. 1 generation backK043359 4100 Patient Oximeter ModuleNonin Medical, Inc. · 2005
  8. This deviceK191574 OxSAT 100S.L.P., Ltd. · 2020
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K910772Propaq 102, 104 and 106Protocol Systems, Inc.1991—
−6K972020Oscillomate Non-Invasive Blood Pressure MonitorCas Medical Systems, Inc.1998—
−5K980879Oscillomate Nibp / SP02 Ems MonitorCas Medical Systems, Inc.1998—
−4K9827769303 Neonatal/Adult Vital Signs MonitorCas Medical Systems, Inc.1998—
−3K013319Nonin Model 2120 Pulse Oximeter and Noninvasive Blood Pressure (Nibp) MonitorNonin Medical, Inc.2002—
−2K041156Avant Digital Pulse Oximetry System, Models 4000, 4001Nonin Medical, Inc.20041
−1K0433594100 Patient Oximeter ModuleNonin Medical, Inc.2005—
0 (this device)K191574OxSAT 100S.L.P., Ltd.2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199210
199310
199510
199720
200010
FIG. 1 — Lineage of K191574, 1991–2020Source: 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? (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
*K0433594100 Patient Oximeter Module
Summary page 4
…ame: Oximeter DQA, Class II, CFR 870.2700 Predicate Device: Nonin Model 4100, 510(k) K043359 Device Description: The SLP OxSAT 100 is a pulse oximeter module that photoelectrically determines the oxygenation of blood in a…
Nonin Medical, Inc.2005—

Also cleared against K043359: 3 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 29 years and passes through 4 companies; a new generation was cleared every 2.4 years on median.
  • 2 of the 14 ancestors have a recall of any class.
  • 3 other devices also cite its predicate K043359.

How does its category compare?

All DQA devices

DQA Oximeter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, 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 SLP OxSAT 100 Patient Oximeter Module is indicated for use in measuring and transmitting functional oxygen saturation of arterial hemoglobin (SpO2), pulse rate, and plethysmographic data to a compatible PSG and/or HST device. It is not intended for use with low perfused patients.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K191574: OxSAT 100.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191574

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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