510(k) · Cleared
ClearedPhilips Disposable SPO2 Sensors MII32A and M1133A.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Philips Medizin Systeme Boeblingen GmbH · DQA Oximeter
Cleared on Nov 17, 2005 as substantially equivalent to K042306 (Philips Medizin Systeme Boeblingen GmbH, 2004) and 2 other predicates after a 79-day review. Its family tree reaches back 7 generations to 1994. 42 later devices descend from it.
- Decided
- Nov 17, 2005
- Review
- 79 days
- Class
- Class II
- Product code
- DQA
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 7 generations to K941811 (1994). 18 ancestors in all, the oldest K882609 (1989). 42 later devices descend from it, 2 citing it directly.
- Root · 7 generations backK941811 HP M1175A, M1176A, Component Monitoring SystemHewlett-Packard Co. · 1994
- 6 generations backK960934 HP M1205A Omnicare Component Monitor System Model 24Hewlett-Packard Co. · 1996
- 5 generations backK981376 Hewlett-Packard M1205A Viridia 24 CTHewlett-Packard Co. · 1999
- 4 generations backK990125 HP Viridia Component Monitoring System, Model Rev. KHewlett-Packard GmbH · 1999
- 3 generations backK990972 HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP…Hewlett-Packard GmbH · 1999
- 2 generations backK032979 Philips SPO2 Reusable Sensors, Model Nos. M1191T, M1192T, and M1193TPhilips Medical Systems, Inc. · 2004
- 1 generation backK042306 Philips SP02 Disposable Sensor, Model M1131APhilips Medizin Systeme Boeblingen GmbH · 2004
- This deviceK052377 Philips Disposable SPO2 Sensors MII32A and M1133A.Philips Medizin Systeme Boeblingen GmbH · 2005
- Descendant · cites it directly · 41 of its ownK063783 Philips Reusable SPO2 Sensors M1191T, M1192T and M1193T, Clip Sensor…Philips Medical Systems, Inc. · 2007
- Descendant · cites it directly · 38 of its ownK091572 Disposable SPO2 Sensor M1134APhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2009
- Descendant · 2 generations on · 37 of its ownK101600 Intellivue CL SP02 Pod Model 865215, Intellivue CL NBP Pod Model…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2010
- Descendant · 3 generations on · 36 of its ownK111905 Intellivue Guardian Software Model 866009, Intellivue CL SP02 Pod…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2011
- Descendant · 4 generations on · 35 of its ownK122223 New: Intellivue CL Respiration Pod New: Specialized Assessory…Philips Medizin Systeme Boeblingen GmbH · 2013
Showing 5 of 42 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 42 · See all- K063783Philips Reusable SPO2 Sensors M1191T, M1192T and M1193T, Clip Sensor M1196T and…Philips Medical Systems, Inc. · 2007 · cites it directly41descendants
- K091572Disposable SPO2 Sensor M1134APhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2009 · cites it directly38descendants
- K101600Intellivue CL SP02 Pod Model 865215, Intellivue CL NBP Pod Model 865216, Intellivue…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2010 · 2 generations on37descendants
- K111905Intellivue Guardian Software Model 866009, Intellivue CL SP02 Pod Model 865215…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2011 · 3 generations on36descendants
- K122223New: Intellivue CL Respiration Pod New: Specialized Assessory: Mobile CL Resp Attachment…Philips Medizin Systeme Boeblingen GmbH · 2013 · 4 generations on35descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K941811 | HP M1175A, M1176A, Component Monitoring System | Hewlett-Packard Co. | 1994 | — |
| −6 | K960934 | HP M1205A Omnicare Component Monitor System Model 24 | Hewlett-Packard Co. | 1996 | — |
| −5 | K981376 | Hewlett-Packard M1205A Viridia 24 CT | Hewlett-Packard Co. | 1999 | — |
| −4 | K990125 | HP Viridia Component Monitoring System, Model Rev. K | Hewlett-Packard GmbH | 1999 | — |
| −3 | K990972 | HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP Viridia… | Hewlett-Packard GmbH | 1999 | — |
| −2 | K032979 | Philips SPO2 Reusable Sensors, Model Nos. M1191T, M1192T, and M1193T | Philips Medical Systems, Inc. | 2004 | — |
| −1 | K042306 | Philips SP02 Disposable Sensor, Model M1131A | Philips Medizin Systeme Boeblingen GmbH | 2004 | — |
| 0 (this device) | K052377 | Philips Disposable SPO2 Sensors MII32A and M1133A. | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| +1 | K063783 | Philips Reusable SPO2 Sensors M1191T, M1192T and M1193T, Clip Sensor M1196T… | Philips Medical Systems, Inc. | 2007 | — |
| +1 | K091572 | Disposable SPO2 Sensor M1134A | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2009 | — |
| +2 | K101600 | Intellivue CL SP02 Pod Model 865215, Intellivue CL NBP Pod Model 865216… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2010 | — |
| +3 | K111905 | Intellivue Guardian Software Model 866009, Intellivue CL SP02 Pod Model… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2011 | — |
| +4 | K122223 | New: Intellivue CL Respiration Pod New: Specialized Assessory: Mobile CL Resp… | Philips Medizin Systeme Boeblingen GmbH | 2013 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 2000 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2007 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 2 | 0 |
| 2020 | 3 | 0 |
| 2021 | 2 | 0 |
| 2022 | 4 | 0 |
| 2023 | 4 | 0 |
| 2024 | 6 | 0 |
| 2025 | 6 | 0 |
| 2026 | 2 | 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 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
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 | Decided |
|---|---|---|---|
| * | K042306 | Philips SP02 Disposable Sensor, Model M1131ASummary page 1…sensor II I-20) M T disposable SP 0 2 sensors cleared pursuant K042306, 10/15/04, K000822, 4/6/00, and K990972, 4/19/99. Device The Philips SP 0 2 devices measure,… | 2004 |
| * | K000822 | Agilentcomponent Monitoring System, Agilent 24/26, Agilent Multi-Measurement Server and…Summary page 1…T disposable SP 0 2 sensors cleared pursuant K042306, 10/15/04, K000822, 4/6/00, and K990972, 4/19/99. Device The Philips SP 0 2 devices measure, non- Descri… | 2000 |
| * | K990972 | HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP Viridia…Summary page 1…T disposable SP 0 2 sensors cleared pursuant K042306, 10/15/04, K000822, 4/6/00, and K990972, 4/19/99. Device The Philips SP 0 2 devices measure, non- Description invasively, the arterial ox… | 1999 |
What descends from it? (42)
See all 422 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 11 years and passes through 4 companies; a new generation was cleared every 1.1 years on median.
- None of the 18 ancestors has a recall.
- Of its descendants, K063783 (Philips Medical Systems, Inc., 2007) has gone furthest, with 41 descendants of its own.
- 3 other devices also cite its predicate K042306.
How does its category compare?
All DQA devicesDQA Oximeter: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DQA
15in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DQA
182in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DQA
3in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DQA
399in 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 Philips disposable SpO2 Sensors are intended for non-invasive measurement of oxygen saturation (SpO2) and pulse rate.
Indicated for adult/infant/neonatal (M1133A) and infant (M1132A) patients.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K052377 · printed Nov 6, 2026
Cite this page
510(k) Report. “K052377: Philips Disposable SPO2 Sensors MII32A and M1133A..” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K052377
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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