510(k) · Cleared
ClearedPatient Monitor
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Edan Instruments, Inc. · MHX Monitor, Physiological, Patient (With Arrhythmia Detection Or Alarms)
Cleared on May 16, 2012 as substantially equivalent to K102825 (APK Technology Co., Ltd., 2011) and 4 other predicates after a 117-day review. Its family tree reaches back 29 generations to 1994. 1 of the 227 devices in its family, counting itself, has a Class I recall. 10 later devices descend from it.
- Decided
- May 16, 2012
- Review
- 117 days
- Class
- Class II
- Product code
- MHX
- Recalls
- None
- Predicates
- 5
Its longest line of descent runs back 29 generations to K941811 (1994). 216 ancestors in all, the oldest K844187 (1985). 10 later devices descend from it, 2 citing it directly. 1 of the 227 devices in this family, counting this one, has a Class I recall.
- Root · 29 generations backK941811 HP M1175A, M1176A, Component Monitoring SystemHewlett-Packard Co. · 1994
- 25 generations between
- 3 generations backK083517 Intellivue Patient Monitor, Models MP2, MP5, MP20, MP30, MP40, MP50…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2009 · Recalled
- 2 generations backK091927 Intellivue Patient Monitors ,Models MP40, MP50, MP60, MP70, MP80, MP90Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2009
- 1 generation backK100939 Intellivue Patient Monitor Model: MP2, MP5, MP5T, MP20, MP30, MP40…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2010
- This deviceK120173 Patient MonitorEdan Instruments, Inc. · 2012
- Descendant · cites it directly · 8 of its ownK160981 Patient MonitorEdan Instruments, Inc. · 2016 · Recalled
- Descendant · 2 generations on · 6 of its ownK192514 Patient MonitorEdan Instruments, Inc. · 2020 · Recalled
- Descendant · 3 generations on · 3 of its ownK202336 Patient MonitorEdan Instruments, Inc. · 2021 · Recalled
- Descendant · 4 generations on · 2 of its ownK232962 Patient Monitor (iX10, iX12, iX15)Edan Instruments, Inc. · 2024 · Recalled
- Descendant · 3 generations on · 1 of its ownK220308 Patient Monitor: RespArrayEdan Instruments, Inc. · 2022
Show all 29 generations
- Root · 29 generations backK941811 HP M1175A, M1176A, Component Monitoring SystemHewlett-Packard Co. · 1994
- 28 generations backK960934 HP M1205A Omnicare Component Monitor System Model 24Hewlett-Packard Co. · 1996
- 27 generations backK981376 Hewlett-Packard M1205A Viridia 24 CTHewlett-Packard Co. · 1999
- 26 generations backK990125 HP Viridia Component Monitoring System, Model Rev. KHewlett-Packard GmbH · 1999
- 25 generations backK990972 HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP…Hewlett-Packard GmbH · 1999
- 24 generations backK013199 Philips Component Compact Monitor,Model M1275B, Philips Compenent…Philips Medical Systems, Inc. · 2001
- 23 generations backK020531 Philips Multi-Parameter Module, Model M3001A; Philips Component…Philips Medical Systems · 2002
- 22 generations backK021778 Philips Component Compact Monitor, Release a.04, Model #M1275BPhilips Medical Systems · 2002
- 21 generations backK023871 M3046A (M2/M3/M4) Compact Portable Patient Monitor and MP60 & MP70…Philips Medical Systems · 2002
- 20 generations backK030038 Philips MP60, MP70 and MP90 Intellivue Patient Monitors with Portal…Philips Medical Systems, Inc. · 2003
- 19 generations backK031481 The Philips Intellivue MP60, MP70, and MP90 Patient Monitors…Philips Medizin Systeme Boblingen GmbH · 2003
- 18 generations backK032858 The Philips Intellivue MP40, MP50, MP60, MP70,and MP90 Patient…Philips Medizin Systeme Boblingen GmbH · 2003
- 17 generations backK040304 Philips Intellivue Patient Monitor, Models MP40 & MP50Philips Medizin Systeme Boeblingen GmbH · 2004
- 16 generations backK041235 Philips MP20, MP30, MP40, MP50. MP60, MP70 and MP90 Intellivue…Philips Medizin Systeme Boeblingen GmbH · 2004
- 15 generations backK042845 The Philips MP20, MP30, MP40, MP50, MP60, MP70, and MP90 Intellivue…Philips Medizin Systeme Boblingen GmbH · 2004
- 14 generations backK050141 The Philips MP20, MP30, MP40, MP50, MP60, MP70 and MP90 Intellivue…Philips Medizin Systeme Boeblingen GmbH · 2005
- 13 generations backK050762 Philips Intellivue Patient Monitor, Models MP20, MP30, MP40, MP50…Philips Medizin Systeme Boeblingen GmbH · 2005
- 12 generations backK051106 The Philips MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90…Philips Medizin Systeme Boeblingen GmbH · 2005
- 11 generations backK052801 Intellivue Patient Monitors with Release C.02, Models MP20, MP30…Philips Medizin Systeme Boeblingen GmbH · 2005
- 10 generations backK053522 Philips MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue Patient…Philips Medizin Systeme Boeblingen GmbH · 2006
- 9 generations backK060221 The Phillips, Model MP20,MP30,MP40,MP50,MP60,MP70,MP80,and MP90…Philips Medizin Systeme Boeblingen GmbH · 2006
- 8 generations backK060541 The Philips MP20,MP30,MP40,MP50,MP60,MP70,MP80 and MP90 Intellivue…Philips Medizin Systeme Boblingen GmbH · 2006 · Recalled
- 7 generations backK061052 The Philips Intellivue Patient Monitors, Models…Philips Medical Systems North America, Inc. · 2006
- 6 generations backK061610 Philips Model MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90…Philips Medizin Systeme Boeblingen GmbH · 2006
- 5 generations backK063315 Intellivue Patient Monitors, Models MP20, MP30, MP40, MP50, MP60…Philips Medizin Systeme Boeblingen GmbH · 2006
- 4 generations backK071426 MP2, X2, MP5, MP20, MP30, MP40, MP50, MP60, MP70, MP80, and MP90…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2007
- 3 generations backK083517 Intellivue Patient Monitor, Models MP2, MP5, MP20, MP30, MP40, MP50…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2009 · Recalled
- 2 generations backK091927 Intellivue Patient Monitors ,Models MP40, MP50, MP60, MP70, MP80, MP90Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2009
- 1 generation backK100939 Intellivue Patient Monitor Model: MP2, MP5, MP5T, MP20, MP30, MP40…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2010
- This deviceK120173 Patient MonitorEdan Instruments, Inc. · 2012
Showing 5 of 10 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
- K970209 Capnocheck Plus5 generations back · 1997
Most influential descendants
Showing 5 of 10 · See all- K160981Patient MonitorEdan Instruments, Inc. · 2016 · cites it directly8descendants
- K192514Patient MonitorEdan Instruments, Inc. · 2020 · 2 generations on6descendants
- K202336Patient MonitorEdan Instruments, Inc. · 2021 · 3 generations on3descendants
- K232962Patient Monitor (iX10, iX12, iX15)Edan Instruments, Inc. · 2024 · 4 generations on2descendants
- K220308Patient Monitor: RespArrayEdan Instruments, Inc. · 2022 · 3 generations on1descendant
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −29 | K941811 | HP M1175A, M1176A, Component Monitoring System | Hewlett-Packard Co. | 1994 | — |
| −28 | K960934 | HP M1205A Omnicare Component Monitor System Model 24 | Hewlett-Packard Co. | 1996 | — |
| −27 | K981376 | Hewlett-Packard M1205A Viridia 24 CT | Hewlett-Packard Co. | 1999 | — |
| −26 | K990125 | HP Viridia Component Monitoring System, Model Rev. K | Hewlett-Packard GmbH | 1999 | — |
| −25 | K990972 | HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP Viridia… | Hewlett-Packard GmbH | 1999 | — |
| −24 | K013199 | Philips Component Compact Monitor,Model M1275B, Philips Compenent Rack, Model… | Philips Medical Systems, Inc. | 2001 | — |
| −23 | K020531 | Philips Multi-Parameter Module, Model M3001A; Philips Component Compact… | Philips Medical Systems | 2002 | — |
| −22 | K021778 | Philips Component Compact Monitor, Release a.04, Model #M1275B | Philips Medical Systems | 2002 | — |
| −21 | K023871 | M3046A (M2/M3/M4) Compact Portable Patient Monitor and MP60 & MP70 Intellivue… | Philips Medical Systems | 2002 | — |
| −20 | K030038 | Philips MP60, MP70 and MP90 Intellivue Patient Monitors with Portal Technology… | Philips Medical Systems, Inc. | 2003 | — |
| −19 | K031481 | The Philips Intellivue MP60, MP70, and MP90 Patient Monitors, Release a.20 | Philips Medizin Systeme Boblingen GmbH | 2003 | — |
| −18 | K032858 | The Philips Intellivue MP40, MP50, MP60, MP70,and MP90 Patient Monitors… | Philips Medizin Systeme Boblingen GmbH | 2003 | — |
| −17 | K040304 | Philips Intellivue Patient Monitor, Models MP40 & MP50 | Philips Medizin Systeme Boeblingen GmbH | 2004 | — |
| −16 | K041235 | Philips MP20, MP30, MP40, MP50. MP60, MP70 and MP90 Intellivue Patient Monitors | Philips Medizin Systeme Boeblingen GmbH | 2004 | — |
| −15 | K042845 | The Philips MP20, MP30, MP40, MP50, MP60, MP70, and MP90 Intellivue Patient… | Philips Medizin Systeme Boblingen GmbH | 2004 | — |
| −14 | K050141 | The Philips MP20, MP30, MP40, MP50, MP60, MP70 and MP90 Intellivue Patient… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −13 | K050762 | Philips Intellivue Patient Monitor, Models MP20, MP30, MP40, MP50, MP60, MP70… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −12 | K051106 | The Philips MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −11 | K052801 | Intellivue Patient Monitors with Release C.02, Models MP20, MP30, MP40, MP50… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −10 | K053522 | Philips MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue Patient Monitors… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −9 | K060221 | The Phillips, Model MP20,MP30,MP40,MP50,MP60,MP70,MP80,and MP90 Intellivue… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −8 | K060541 | The Philips MP20,MP30,MP40,MP50,MP60,MP70,MP80 and MP90 Intellivue Atient… | Philips Medizin Systeme Boblingen GmbH | 2006 | 2 |
| −7 | K061052 | The Philips Intellivue Patient Monitors, Models… | Philips Medical Systems North America, Inc. | 2006 | — |
| −6 | K061610 | Philips Model MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −5 | K063315 | Intellivue Patient Monitors, Models MP20, MP30, MP40, MP50, MP60, MP70, MP80… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −4 | K071426 | MP2, X2, MP5, MP20, MP30, MP40, MP50, MP60, MP70, MP80, and MP90 Intellivue… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2007 | — |
| −3 | K083517 | Intellivue Patient Monitor, Models MP2, MP5, MP20, MP30, MP40, MP50, MO60… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2009 | 2 |
| −2 | K091927 | Intellivue Patient Monitors ,Models MP40, MP50, MP60, MP70, MP80, MP90 | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2009 | — |
| −1 | K100939 | Intellivue Patient Monitor Model: MP2, MP5, MP5T, MP20, MP30, MP40, MP50… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2010 | — |
| 0 (this device) | K120173 | Patient Monitor | Edan Instruments, Inc. | 2012 | — |
| +1 | K160981 | Patient Monitor | Edan Instruments, Inc. | 2016 | 1 |
| +2 | K192514 | Patient Monitor | Edan Instruments, Inc. | 2020 | 1 |
| +3 | K202336 | Patient Monitor | Edan Instruments, Inc. | 2021 | 1 |
| +4 | K232962 | Patient Monitor (iX10, iX12, iX15) | Edan Instruments, Inc. | 2024 | 1 |
| +3 | K220308 | Patient Monitor: RespArray | Edan Instruments, Inc. | 2022 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 1 | 0 |
| 1987 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 1 |
| 1998 | 17 | 0 |
| 1999 | 12 | 0 |
| 2000 | 21 | 0 |
| 2001 | 9 | 0 |
| 2002 | 14 | 0 |
| 2003 | 14 | 0 |
| 2004 | 16 | 0 |
| 2005 | 6 | 0 |
| 2006 | 6 | 0 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2011 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2014 | 1 | 0 |
| 2016 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 2 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
| 2026 | 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.
1 device in this family has 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 MHX device
- #1 K251702 IntelliVue Patient Monitor MX750; IntelliVue…score 23.0 · 40 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K102825 | Blood Pressure CuffSummary page 2…evices:: Manufacturer Predicate Device 510O(k) # Cleared date Edan Instruments, Inc M3 and M3A K102825 Dec.27.2010 Philips Medical System MP7O K100939 April.1.2010… | 2011 |
| * | K100939 | Intellivue Patient Monitor Model: MP2, MP5, MP5T, MP20, MP30, MP40, MP50, MP60, MP70…Summary page 2…eared date Edan Instruments, Inc M3 and M3A K102825 Dec.27.2010 Philips Medical System MP7O K100939 April.1.2010 Edan Instruments, Inc M38B K083821 May14,2009… | 2010 |
| * | K083821 | Vital Signs MonitorSummary page 2…c.27.2010 Philips Medical System MP7O K100939 April.1.2010 Edan Instruments, Inc M38B K083821 May14,2009 ZOLL Medical ZOLL M series NIBP K032363 July 30, 2003… | 2009 |
| * | K032363 | Zoll M Series Nibp OptionSummary page 2…pril.1.2010 Edan Instruments, Inc M38B K083821 May14,2009 ZOLL Medical ZOLL M series NIBP K032363 July 30, 2003 Corporation option PHASEIN AB ______… | 2003 |
| * | K103604 | Isa CO2, Isa AX+, Isa or+Summary page 2…Carbon-dioxide analyzer _____ gas K103604 _ _ _ _ _… | 2011 |
What descends from it? (10)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (1 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.
- K970209Capnocheck PlusBci Intl., Inc. · 1997 · 5 generations back · ◆ in the 1997 ancestors bar of FIG. 11 Class I recall
What does this lineage say?
- The line of descent spans 18 years and passes through 9 companies; a new generation was cleared every 4 months on median.
- 31 of the 216 ancestors have a recall of any class; 1 has a Class I recall.
- Of its descendants, K160981 (Edan Instruments, Inc., 2016) has gone furthest, with 8 descendants of its own.
- 2 other devices also cite its predicate K102825.
How does its category compare?
All MHX devicesMHX Monitor, Physiological, Patient (With Arrhythmia Detection Or Alarms): FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.
FDA decisions per year · MHX
8in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · MHX
192in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MHX
21so far in 2026, the most since 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · MHX
3,761in 2025
MAUDE reports naming product code MHX, 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 | 15 | 96 | 3 | 131 |
| 2008 | 16 | 58 | 2 | 232 |
| 2009 | 13 | 57 | 7 | 382 |
| 2010 | 20 | 90 | 13 | 955 |
| 2011 | 12 | 81 | 16 | 949 |
| 2012 | 16 | 88 | 11 | 676 |
| 2013 | 21 | 120 | 14 | 1,997 |
| 2014 | 13 | 248 | 6 | 1,609 |
| 2015 | 14 | 203 | 5 | 1,284 |
| 2016 | 13 | 149 | 7 | 1,105 |
| 2017 | 14 | 134 | 6 | 1,115 |
| 2018 | 11 | 203 | 12 | 2,157 |
| 2019 | 7 | 243 | 6 | 1,462 |
| 2020 | 11 | 196 | 0 | 1,714 |
| 2021 | 5 | 195 | 0 | 2,423 |
| 2022 | 15 | 189 | 6 | 1,470 |
| 2023 | 8 | 229 | 3 | 2,254 |
| 2024 | 5 | 181 | 3 | 2,814 |
| 2025 | 8 | 192 | 15 | 3,761 |
| 2026 | 14 | 205 | 21 | — |
What is it indicated for?
This monitor is intended to be used for monitoring, storing, reviewing, recording, and generating alarms for multiple physiological parameters including ECG, respiration (RESP), temperature (TEMP), functional arterial oxygen saturation (SpO2), pulse rate (PR), non-invasive blood pressure (NIBP), invasive blood pressure (ISP), expired CO2, cardiac output (C.O.) and anesthetic gas (AG) of adults, pediatrics and neonates in hospital environments. The…
Read the full statement (109 words)
This monitor is intended to be used for monitoring, storing, reviewing, recording, and generating alarms for multiple physiological parameters including ECG, respiration (RESP), temperature (TEMP), functional arterial oxygen saturation (SpO2), pulse rate (PR), non-invasive blood pressure (NIBP), invasive blood pressure (ISP), expired CO2, cardiac output (C.O.) and anesthetic gas (AG) of adults, pediatrics and neonates in hospital environments. The monitor is equipped with alarms that indicate system faults (such as loose or defective electrodes), physiologic parameters that have exceeded the limits set by the operator, or both.
This monitor is suitable for use in hospital environments including but not limited to OR, PACU, ICU and neonate intensive care room.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K120173 · printed Nov 6, 2026
Cite this page
510(k) Report. “K120173: Patient Monitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K120173
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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