510(k) · Cleared
ClearedRespiraSense
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Pmd Solutions · BZQ Monitor, Breathing Frequency
Cleared on Oct 7, 2022 as substantially equivalent to K122223 (Philips Medizin Systeme Boeblingen GmbH, 2013) after a 267-day review. Its family tree reaches back 33 generations to 1994. 2 of the 267 devices in its family, counting itself, have a Class I recall. 1 later device descends from it.
- Decided
- Oct 7, 2022
- Review
- 267 days
- Class
- Class II
- Product code
- BZQ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 33 generations to K941811 (1994). 265 ancestors in all, the oldest K822695 (1982). 1 later device descends from it, 1 citing it directly. 2 of the 267 devices in this family, counting this one, have a Class I recall.
- Root · 33 generations backK941811 HP M1175A, M1176A, Component Monitoring SystemHewlett-Packard Co. · 1994
- 29 generations between
- 3 generations backK110622 Intellivue Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2011 · Recalled
- 2 generations backK111905 Intellivue Guardian Software Model 866009, Intellivue CL SP02 Pod…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2011
- 1 generation backK122223 New: Intellivue CL Respiration Pod New: Specialized Assessory…Philips Medizin Systeme Boeblingen GmbH · 2013
- This deviceK220111 RespiraSensePmd Solutions · 2022
- Descendant · cites it directly · 0 of its ownK233953 Makani Science™ Respiration Monitoring SystemMakani Science, Inc. · 2025
Show all 33 generations
- Root · 33 generations backK941811 HP M1175A, M1176A, Component Monitoring SystemHewlett-Packard Co. · 1994
- 32 generations backK960934 HP M1205A Omnicare Component Monitor System Model 24Hewlett-Packard Co. · 1996
- 31 generations backK981376 Hewlett-Packard M1205A Viridia 24 CTHewlett-Packard Co. · 1999
- 30 generations backK990125 HP Viridia Component Monitoring System, Model Rev. KHewlett-Packard GmbH · 1999
- 29 generations backK990972 HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP…Hewlett-Packard GmbH · 1999
- 28 generations backK013199 Philips Component Compact Monitor,Model M1275B, Philips Compenent…Philips Medical Systems, Inc. · 2001
- 27 generations backK020531 Philips Multi-Parameter Module, Model M3001A; Philips Component…Philips Medical Systems · 2002
- 26 generations backK021778 Philips Component Compact Monitor, Release a.04, Model #M1275BPhilips Medical Systems · 2002
- 25 generations backK023871 M3046A (M2/M3/M4) Compact Portable Patient Monitor and MP60 & MP70…Philips Medical Systems · 2002
- 24 generations backK030038 Philips MP60, MP70 and MP90 Intellivue Patient Monitors with Portal…Philips Medical Systems, Inc. · 2003
- 23 generations backK031481 The Philips Intellivue MP60, MP70, and MP90 Patient Monitors…Philips Medizin Systeme Boblingen GmbH · 2003
- 22 generations backK032858 The Philips Intellivue MP40, MP50, MP60, MP70,and MP90 Patient…Philips Medizin Systeme Boblingen GmbH · 2003
- 21 generations backK040304 Philips Intellivue Patient Monitor, Models MP40 & MP50Philips Medizin Systeme Boeblingen GmbH · 2004
- 20 generations backK041235 Philips MP20, MP30, MP40, MP50. MP60, MP70 and MP90 Intellivue…Philips Medizin Systeme Boeblingen GmbH · 2004
- 19 generations backK042845 The Philips MP20, MP30, MP40, MP50, MP60, MP70, and MP90 Intellivue…Philips Medizin Systeme Boblingen GmbH · 2004
- 18 generations backK050141 The Philips MP20, MP30, MP40, MP50, MP60, MP70 and MP90 Intellivue…Philips Medizin Systeme Boeblingen GmbH · 2005
- 17 generations backK050762 Philips Intellivue Patient Monitor, Models MP20, MP30, MP40, MP50…Philips Medizin Systeme Boeblingen GmbH · 2005
- 16 generations backK051106 The Philips MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90…Philips Medizin Systeme Boeblingen GmbH · 2005
- 15 generations backK052801 Intellivue Patient Monitors with Release C.02, Models MP20, MP30…Philips Medizin Systeme Boeblingen GmbH · 2005
- 14 generations backK053522 Philips MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue Patient…Philips Medizin Systeme Boeblingen GmbH · 2006
- 13 generations backK060221 The Phillips, Model MP20,MP30,MP40,MP50,MP60,MP70,MP80,and MP90…Philips Medizin Systeme Boeblingen GmbH · 2006
- 12 generations backK060541 The Philips MP20,MP30,MP40,MP50,MP60,MP70,MP80 and MP90 Intellivue…Philips Medizin Systeme Boblingen GmbH · 2006 · Recalled
- 11 generations backK061052 The Philips Intellivue Patient Monitors, Models…Philips Medical Systems North America, Inc. · 2006
- 10 generations backK061610 Philips Model MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90…Philips Medizin Systeme Boeblingen GmbH · 2006
- 9 generations backK063315 Intellivue Patient Monitors, Models MP20, MP30, MP40, MP50, MP60…Philips Medizin Systeme Boeblingen GmbH · 2006
- 8 generations backK071426 MP2, X2, MP5, MP20, MP30, MP40, MP50, MP60, MP70, MP80, and MP90…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2007
- 7 generations backK083517 Intellivue Patient Monitor, Models MP2, MP5, MP20, MP30, MP40, MP50…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2009 · Recalled
- 6 generations backK091927 Intellivue Patient Monitors ,Models MP40, MP50, MP60, MP70, MP80, MP90Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2009
- 5 generations backK100939 Intellivue Patient Monitor Model: MP2, MP5, MP5T, MP20, MP30, MP40…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2010
- 4 generations backK101449 Intellivue Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2010
- 3 generations backK110622 Intellivue Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2011 · Recalled
- 2 generations backK111905 Intellivue Guardian Software Model 866009, Intellivue CL SP02 Pod…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2011
- 1 generation backK122223 New: Intellivue CL Respiration Pod New: Specialized Assessory…Philips Medizin Systeme Boeblingen GmbH · 2013
- This deviceK220111 RespiraSensePmd Solutions · 2022
Class I recalls in this family
Most influential descendants
Showing 1 of 1 · See all- K233953Makani Science™ Respiration Monitoring SystemMakani Science, Inc. · 2025 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −33 | K941811 | HP M1175A, M1176A, Component Monitoring System | Hewlett-Packard Co. | 1994 | — |
| −32 | K960934 | HP M1205A Omnicare Component Monitor System Model 24 | Hewlett-Packard Co. | 1996 | — |
| −31 | K981376 | Hewlett-Packard M1205A Viridia 24 CT | Hewlett-Packard Co. | 1999 | — |
| −30 | K990125 | HP Viridia Component Monitoring System, Model Rev. K | Hewlett-Packard GmbH | 1999 | — |
| −29 | K990972 | HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP Viridia… | Hewlett-Packard GmbH | 1999 | — |
| −28 | K013199 | Philips Component Compact Monitor,Model M1275B, Philips Compenent Rack, Model… | Philips Medical Systems, Inc. | 2001 | — |
| −27 | K020531 | Philips Multi-Parameter Module, Model M3001A; Philips Component Compact… | Philips Medical Systems | 2002 | — |
| −26 | K021778 | Philips Component Compact Monitor, Release a.04, Model #M1275B | Philips Medical Systems | 2002 | — |
| −25 | K023871 | M3046A (M2/M3/M4) Compact Portable Patient Monitor and MP60 & MP70 Intellivue… | Philips Medical Systems | 2002 | — |
| −24 | K030038 | Philips MP60, MP70 and MP90 Intellivue Patient Monitors with Portal Technology… | Philips Medical Systems, Inc. | 2003 | — |
| −23 | K031481 | The Philips Intellivue MP60, MP70, and MP90 Patient Monitors, Release a.20 | Philips Medizin Systeme Boblingen GmbH | 2003 | — |
| −22 | K032858 | The Philips Intellivue MP40, MP50, MP60, MP70,and MP90 Patient Monitors… | Philips Medizin Systeme Boblingen GmbH | 2003 | — |
| −21 | K040304 | Philips Intellivue Patient Monitor, Models MP40 & MP50 | Philips Medizin Systeme Boeblingen GmbH | 2004 | — |
| −20 | K041235 | Philips MP20, MP30, MP40, MP50. MP60, MP70 and MP90 Intellivue Patient Monitors | Philips Medizin Systeme Boeblingen GmbH | 2004 | — |
| −19 | K042845 | The Philips MP20, MP30, MP40, MP50, MP60, MP70, and MP90 Intellivue Patient… | Philips Medizin Systeme Boblingen GmbH | 2004 | — |
| −18 | K050141 | The Philips MP20, MP30, MP40, MP50, MP60, MP70 and MP90 Intellivue Patient… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −17 | K050762 | Philips Intellivue Patient Monitor, Models MP20, MP30, MP40, MP50, MP60, MP70… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −16 | K051106 | The Philips MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −15 | K052801 | Intellivue Patient Monitors with Release C.02, Models MP20, MP30, MP40, MP50… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −14 | K053522 | Philips MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue Patient Monitors… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −13 | K060221 | The Phillips, Model MP20,MP30,MP40,MP50,MP60,MP70,MP80,and MP90 Intellivue… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −12 | K060541 | The Philips MP20,MP30,MP40,MP50,MP60,MP70,MP80 and MP90 Intellivue Atient… | Philips Medizin Systeme Boblingen GmbH | 2006 | 2 |
| −11 | K061052 | The Philips Intellivue Patient Monitors, Models… | Philips Medical Systems North America, Inc. | 2006 | — |
| −10 | K061610 | Philips Model MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −9 | K063315 | Intellivue Patient Monitors, Models MP20, MP30, MP40, MP50, MP60, MP70, MP80… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −8 | K071426 | MP2, X2, MP5, MP20, MP30, MP40, MP50, MP60, MP70, MP80, and MP90 Intellivue… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2007 | — |
| −7 | K083517 | Intellivue Patient Monitor, Models MP2, MP5, MP20, MP30, MP40, MP50, MO60… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2009 | 2 |
| −6 | K091927 | Intellivue Patient Monitors ,Models MP40, MP50, MP60, MP70, MP80, MP90 | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2009 | — |
| −5 | K100939 | Intellivue Patient Monitor Model: MP2, MP5, MP5T, MP20, MP30, MP40, MP50… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2010 | — |
| −4 | K101449 | Intellivue Patient Monitor | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2010 | — |
| −3 | K110622 | Intellivue Patient Monitor | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2011 | 2 |
| −2 | K111905 | Intellivue Guardian Software Model 866009, Intellivue CL SP02 Pod Model… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2011 | — |
| −1 | K122223 | New: Intellivue CL Respiration Pod New: Specialized Assessory: Mobile CL Resp… | Philips Medizin Systeme Boeblingen GmbH | 2013 | — |
| 0 (this device) | K220111 | RespiraSense | Pmd Solutions | 2022 | — |
| +1 | K233953 | Makani Science™ Respiration Monitoring System | Makani Science, Inc. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1982 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 1 |
| 1998 | 17 | 0 |
| 1999 | 16 | 0 |
| 2000 | 20 | 0 |
| 2001 | 10 | 0 |
| 2002 | 16 | 0 |
| 2003 | 14 | 1 |
| 2004 | 19 | 0 |
| 2005 | 12 | 0 |
| 2006 | 10 | 0 |
| 2007 | 6 | 0 |
| 2008 | 4 | 0 |
| 2009 | 5 | 0 |
| 2010 | 7 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2025 | 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.
2 devices in this family have a Class I recall. 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 BZQ device
- #1 K251326 Respiration Rate algorithmscore 20.2 · 30 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K122223 | New: Intellivue CL Respiration Pod New: Specialized Assessory: Mobile CL Resp Attachment…Summary page 4…or, Breathing Frequency Product Code: BZQ III. PREDICATE DEVICE AND REFERENCE DEVICE Predicate Device: Philips Intellivue CL Respiration Pod (K122223) Common/Usual Name: Breathing Frequency Monitor Classification CFR: 21 CFR 868.2375 Classification Code: BZ… | 2013 |
| † | K120984 | Masimo Ras-125C Acoustic Respiration Sensor | 2013 |
| † | K212153 | Biobeat Platform, BB-613WP Patch | 2022 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K233953 | Makani Science™ Respiration Monitoring System | 2025 | 0 |
Has anything in its family been recalled? (2 Class I)
No FDA recall names this device.
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
What does this lineage say?
- The line of descent spans 28 years and passes through 9 companies; a new generation was cleared every 4 months on median.
- 43 of the 265 ancestors have a recall of any class; 2 have a Class I recall.
- Of its descendants, K233953 (Makani Science, Inc., 2025) has gone furthest, with 0 descendants of its own.
- 5 other devices also cite its predicate K122223.
How does its category compare?
All BZQ devicesBZQ Monitor, Breathing Frequency: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · BZQ
7in 2025
2007high 7 (2025) · low 0 (2015)2026
2026 to Oct 25, outlined.
Median 510(k) review, days · BZQ
255in 2025
2007high 261 (2013) · low 121 (2009)2026
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · BZQ
1in 2010
2007high 1 (2010) · low 0 (2007)2026
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · BZQ
2in 2022
2007high 13 (2019) · low 0 (2008)2025
MAUDE reports naming product code BZQ, 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 | 7 |
| 2008 | 1 | — | 0 | 0 |
| 2009 | 3 | 121 | 0 | 1 |
| 2010 | 2 | — | 1 | 1 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 2 | — | 0 | 3 |
| 2013 | 3 | 261 | 0 | 0 |
| 2014 | 2 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 2 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 11 |
| 2018 | 3 | 198 | 0 | 10 |
| 2019 | 1 | — | 0 | 13 |
| 2020 | 2 | — | 0 | 10 |
| 2021 | 2 | — | 0 | 1 |
| 2022 | 3 | 198 | 0 | 2 |
| 2023 | 1 | — | 0 | 0 |
| 2024 | 1 | — | 0 | 0 |
| 2025 | 7 | 255 | 0 | 0 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The RespiraSense is indicated for continuous, non-invasive, and real-time monitoring of respiratory rate. RespiraSense is indicated for patients 18 years and older in hospitals, hospital-type facilities and while patients are mobile (e.g., walking). RespiraSense is not intended to be an apnoea monitor.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K220111 · printed Nov 6, 2026
Cite this page
510(k) Report. “K220111: RespiraSense.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K220111
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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