510(k) · Cleared
ClearedReprocessed Masimo Pulse Oximeter Sensors
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Ascent Healthcare Solutions · NLF Oximeter, Reprocessed
Cleared on Jul 29, 2008 as substantially equivalent to K060143 (Masimo Corporation, 2006) and 1 other predicate after an 89-day review. Its family tree reaches back 16 generations to 1994. 3 later devices descend from it.
- Decided
- Jul 29, 2008
- Review
- 89 days
- Class
- Class II
- Product code
- NLF
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 16 generations to K941811 (1994). 67 ancestors in all, the oldest K863784 (1986). 3 later devices descend from it, 1 citing it directly.
- Root · 16 generations backK941811 HP M1175A, M1176A, Component Monitoring SystemHewlett-Packard Co. · 1994
- 12 generations between
- 3 generations backK041815 LNCS Oximetry SensorsMasimo Corp. · 2004
- 2 generations backK051212 Modification to LNCS Oximetry SensorsMasimo Corporation · 2005 · Recalled
- 1 generation backK060143 LNCS and SPO2.Com SensorsMasimo Corporation · 2006
- This deviceK081238 Reprocessed Masimo Pulse Oximeter SensorsAscent Healthcare Solutions · 2008
- Descendant · cites it directly · 2 of its ownK211140 Reprocessed Masimo Pulse Oximeter (1859 Adult O2 Transducer)…Stryker Sustainability Solutions · 2022
- Descendant · 2 generations on · 1 of its ownK222019 Reprocessed RD SET Adt Pulse Oximeter Sensor (4000), Reprocessed RD…Stryker Sustainability Solutions · 2022
- Descendant · 3 generations on · 0 of its ownK241758 Reprocessed RD SET Adt Pulse Oximeter Sensor (4000); Reprocessed RD…Stryker Sustainability Solutions · 2024
Show all 16 generations
- Root · 16 generations backK941811 HP M1175A, M1176A, Component Monitoring SystemHewlett-Packard Co. · 1994
- 15 generations backK960934 HP M1205A Omnicare Component Monitor System Model 24Hewlett-Packard Co. · 1996
- 14 generations backK981376 Hewlett-Packard M1205A Viridia 24 CTHewlett-Packard Co. · 1999
- 13 generations backK990125 HP Viridia Component Monitoring System, Model Rev. KHewlett-Packard GmbH · 1999
- 12 generations backK990972 HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP…Hewlett-Packard GmbH · 1999
- 11 generations backK013199 Philips Component Compact Monitor,Model M1275B, Philips Compenent…Philips Medical Systems, Inc. · 2001
- 10 generations backK020531 Philips Multi-Parameter Module, Model M3001A; Philips Component…Philips Medical Systems · 2002
- 9 generations backK021778 Philips Component Compact Monitor, Release a.04, Model #M1275BPhilips Medical Systems · 2002
- 8 generations backK023871 M3046A (M2/M3/M4) Compact Portable Patient Monitor and MP60 & MP70…Philips Medical Systems · 2002
- 7 generations backK030038 Philips MP60, MP70 and MP90 Intellivue Patient Monitors with Portal…Philips Medical Systems, Inc. · 2003
- 6 generations backK031481 The Philips Intellivue MP60, MP70, and MP90 Patient Monitors…Philips Medizin Systeme Boblingen GmbH · 2003
- 5 generations backK032858 The Philips Intellivue MP40, MP50, MP60, MP70,and MP90 Patient…Philips Medizin Systeme Boblingen GmbH · 2003
- 4 generations backK040259 Masimo Set Intellivue Pulse Oximeter ModuleMasimo Corp. · 2004
- 3 generations backK041815 LNCS Oximetry SensorsMasimo Corp. · 2004
- 2 generations backK051212 Modification to LNCS Oximetry SensorsMasimo Corporation · 2005 · Recalled
- 1 generation backK060143 LNCS and SPO2.Com SensorsMasimo Corporation · 2006
- This deviceK081238 Reprocessed Masimo Pulse Oximeter SensorsAscent Healthcare Solutions · 2008
Most influential descendants
Showing 3 of 3 · See all- K211140Reprocessed Masimo Pulse Oximeter (1859 Adult O2 Transducer), Reprocessed Masimo Pulse…Stryker Sustainability Solutions · 2022 · cites it directly2descendants
- K222019Reprocessed RD SET Adt Pulse Oximeter Sensor (4000), Reprocessed RD SET Pdt Pulse…Stryker Sustainability Solutions · 2022 · 2 generations on1descendant
- K241758Reprocessed RD SET Adt Pulse Oximeter Sensor (4000); Reprocessed RD SET Pdt Pulse…Stryker Sustainability Solutions · 2024 · 3 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −16 | K941811 | HP M1175A, M1176A, Component Monitoring System | Hewlett-Packard Co. | 1994 | — |
| −15 | K960934 | HP M1205A Omnicare Component Monitor System Model 24 | Hewlett-Packard Co. | 1996 | — |
| −14 | K981376 | Hewlett-Packard M1205A Viridia 24 CT | Hewlett-Packard Co. | 1999 | — |
| −13 | K990125 | HP Viridia Component Monitoring System, Model Rev. K | Hewlett-Packard GmbH | 1999 | — |
| −12 | K990972 | HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP Viridia… | Hewlett-Packard GmbH | 1999 | — |
| −11 | K013199 | Philips Component Compact Monitor,Model M1275B, Philips Compenent Rack, Model… | Philips Medical Systems, Inc. | 2001 | — |
| −10 | K020531 | Philips Multi-Parameter Module, Model M3001A; Philips Component Compact… | Philips Medical Systems | 2002 | — |
| −9 | K021778 | Philips Component Compact Monitor, Release a.04, Model #M1275B | Philips Medical Systems | 2002 | — |
| −8 | K023871 | M3046A (M2/M3/M4) Compact Portable Patient Monitor and MP60 & MP70 Intellivue… | Philips Medical Systems | 2002 | — |
| −7 | K030038 | Philips MP60, MP70 and MP90 Intellivue Patient Monitors with Portal Technology… | Philips Medical Systems, Inc. | 2003 | — |
| −6 | K031481 | The Philips Intellivue MP60, MP70, and MP90 Patient Monitors, Release a.20 | Philips Medizin Systeme Boblingen GmbH | 2003 | — |
| −5 | K032858 | The Philips Intellivue MP40, MP50, MP60, MP70,and MP90 Patient Monitors… | Philips Medizin Systeme Boblingen GmbH | 2003 | — |
| −4 | K040259 | Masimo Set Intellivue Pulse Oximeter Module | Masimo Corp. | 2004 | — |
| −3 | K041815 | LNCS Oximetry Sensors | Masimo Corp. | 2004 | — |
| −2 | K051212 | Modification to LNCS Oximetry Sensors | Masimo Corporation | 2005 | 5 |
| −1 | K060143 | LNCS and SPO2.Com Sensors | Masimo Corporation | 2006 | — |
| 0 (this device) | K081238 | Reprocessed Masimo Pulse Oximeter Sensors | Ascent Healthcare Solutions | 2008 | — |
| +1 | K211140 | Reprocessed Masimo Pulse Oximeter (1859 Adult O2 Transducer), Reprocessed… | Stryker Sustainability Solutions | 2022 | — |
| +2 | K222019 | Reprocessed RD SET Adt Pulse Oximeter Sensor (4000), Reprocessed RD SET Pdt… | Stryker Sustainability Solutions | 2022 | — |
| +3 | K241758 | Reprocessed RD SET Adt Pulse Oximeter Sensor (4000); Reprocessed RD SET Pdt… | Stryker Sustainability Solutions | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2022 | 2 | 0 |
| 2024 | 1 | 0 |
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 NLF? 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 NLF device
- #1 K241758 Reprocessed RD SET Adt Pulse Oximeter Sensor…score 14.5 · 22 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
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 | Decided |
|---|---|---|---|
| * | K060143 | LNCS and SPO2.Com SensorsSummary page 1…Pulse Oximeter Sensors Classification Name: Oximeter, Reprocessed Predicate Device 510(k) Title Manufacturer K060143 LNCS and SP02.COM Sensors Masimo Corporation K041815 LNCS Oximetry Sensors… | 2006 |
| * | K041815 | LNCS Oximetry SensorsSummary page 1…sed Predicate Device 510(k) Title Manufacturer K060143 LNCS and SP02.COM Sensors Masimo Corporation K041815 LNCS Oximetry Sensors Masimo Corporation Device description: The devices are reprocessed… | 2004 |
What descends from it? (3)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K211140 | Reprocessed Masimo Pulse Oximeter (1859 Adult O2 Transducer), Reprocessed Masimo Pulse… | 2022 | 2 |
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 14 years and passes through 8 companies; a new generation was cleared every 5 months on median.
- 3 of the 67 ancestors have a recall of any class.
- Of its descendants, K211140 (Stryker Sustainability Solutions, 2022) has gone furthest, with 2 descendants of its own.
- 5 other devices also cite its predicate K060143.
How does its category compare?
All NLF devicesNLF Oximeter, Reprocessed: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.
FDA decisions per year · NLF
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · NLF
146in 2011
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NLF
3in 2008
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · NLF
3in 2025
MAUDE reports naming product code NLF, 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 | 2 | — | 0 | 0 |
| 2008 | 2 | — | 3 | 7 |
| 2009 | 3 | 214 | 0 | 3 |
| 2010 | 1 | — | 0 | 2 |
| 2011 | 3 | 146 | 0 | 4 |
| 2012 | 0 | — | 0 | 5 |
| 2013 | 0 | — | 0 | 6 |
| 2014 | 0 | — | 0 | 3 |
| 2015 | 0 | — | 0 | 3 |
| 2016 | 0 | — | 0 | 4 |
| 2017 | 0 | — | 0 | 4 |
| 2018 | 0 | — | 0 | 8 |
| 2019 | 1 | — | 0 | 11 |
| 2020 | 1 | — | 0 | 2 |
| 2021 | 0 | — | 0 | 1 |
| 2022 | 2 | — | 0 | 2 |
| 2023 | 0 | — | 0 | 4 |
| 2024 | 1 | — | 0 | 1 |
| 2025 | 0 | — | 0 | 3 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
This sensor is indicated for use in continuous noninvasive arterial oxygen saturation and pulse rate monitoring.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K081238 · printed Nov 6, 2026
Cite this page
510(k) Report. “K081238: Reprocessed Masimo Pulse Oximeter Sensors.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K081238
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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