510(k) · Cleared
ClearedTetragraph Neuromuscular Transmission Monitor
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Senzime AB · KOI Stimulator, Nerve, Peripheral, Electric
Cleared on Aug 17, 2022 as substantially equivalent to K190795 (Senzime AB, 2019) and 2 other predicates after a 174-day review. Its family tree reaches back 38 generations to 1994. 1 of the 270 devices in its family, counting itself, has a Class I recall. 1 later device descends from it.
- Decided
- Aug 17, 2022
- Review
- 174 days
- Class
- Class II
- Product code
- KOI
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 38 generations to K941811 (1994). 268 ancestors in all, the oldest K844187 (1985). 1 later device descends from it, 1 citing it directly. 1 of the 270 devices in this family, counting this one, has a Class I recall.
- Root · 38 generations backK941811 HP M1175A, M1176A, Component Monitoring SystemHewlett-Packard Co. · 1994
- 34 generations between
- 3 generations backK150975 Philips IntelliVue MP2/MP5/MPSC Patient Monitors, Philips IntelliVue…Philips Medizin Systeme Boeblingen GmbH · 2015 · Recalled
- 2 generations backK161531 IntelliVue Patient Monitors MP2, MP5, MP5T, MP5SC, and…Philips Medizin Systeme Boeblingen GmbH · 2016 · Recalled
- 1 generation backK210906 IntelliVue Patient Monitor MX750, IntelliVue Patient Monitor MX850…Philips Medizin Systeme Boeblingen GmbH · 2021 · Recalled
- This deviceK220530 Tetragraph Neuromuscular Transmission MonitorSenzime AB · 2022
- Descendant · cites it directly · 0 of its ownK261098 TetraGraph Neuromuscular Transmission Monitor (SEN…Senzime AB · 2026
Show all 38 generations
- Root · 38 generations backK941811 HP M1175A, M1176A, Component Monitoring SystemHewlett-Packard Co. · 1994
- 37 generations backK960934 HP M1205A Omnicare Component Monitor System Model 24Hewlett-Packard Co. · 1996
- 36 generations backK981376 Hewlett-Packard M1205A Viridia 24 CTHewlett-Packard Co. · 1999
- 35 generations backK990125 HP Viridia Component Monitoring System, Model Rev. KHewlett-Packard GmbH · 1999
- 34 generations backK990972 HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP…Hewlett-Packard GmbH · 1999
- 33 generations backK013199 Philips Component Compact Monitor,Model M1275B, Philips Compenent…Philips Medical Systems, Inc. · 2001
- 32 generations backK020531 Philips Multi-Parameter Module, Model M3001A; Philips Component…Philips Medical Systems · 2002
- 31 generations backK021778 Philips Component Compact Monitor, Release a.04, Model #M1275BPhilips Medical Systems · 2002
- 30 generations backK023871 M3046A (M2/M3/M4) Compact Portable Patient Monitor and MP60 & MP70…Philips Medical Systems · 2002
- 29 generations backK030038 Philips MP60, MP70 and MP90 Intellivue Patient Monitors with Portal…Philips Medical Systems, Inc. · 2003
- 28 generations backK031481 The Philips Intellivue MP60, MP70, and MP90 Patient Monitors…Philips Medizin Systeme Boblingen GmbH · 2003
- 27 generations backK032858 The Philips Intellivue MP40, MP50, MP60, MP70,and MP90 Patient…Philips Medizin Systeme Boblingen GmbH · 2003
- 26 generations backK040304 Philips Intellivue Patient Monitor, Models MP40 & MP50Philips Medizin Systeme Boeblingen GmbH · 2004
- 25 generations backK041235 Philips MP20, MP30, MP40, MP50. MP60, MP70 and MP90 Intellivue…Philips Medizin Systeme Boeblingen GmbH · 2004
- 24 generations backK042845 The Philips MP20, MP30, MP40, MP50, MP60, MP70, and MP90 Intellivue…Philips Medizin Systeme Boblingen GmbH · 2004
- 23 generations backK050141 The Philips MP20, MP30, MP40, MP50, MP60, MP70 and MP90 Intellivue…Philips Medizin Systeme Boeblingen GmbH · 2005
- 22 generations backK050762 Philips Intellivue Patient Monitor, Models MP20, MP30, MP40, MP50…Philips Medizin Systeme Boeblingen GmbH · 2005
- 21 generations backK051106 The Philips MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90…Philips Medizin Systeme Boeblingen GmbH · 2005
- 20 generations backK052801 Intellivue Patient Monitors with Release C.02, Models MP20, MP30…Philips Medizin Systeme Boeblingen GmbH · 2005
- 19 generations backK053522 Philips MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue Patient…Philips Medizin Systeme Boeblingen GmbH · 2006
- 18 generations backK060221 The Phillips, Model MP20,MP30,MP40,MP50,MP60,MP70,MP80,and MP90…Philips Medizin Systeme Boeblingen GmbH · 2006
- 17 generations backK060541 The Philips MP20,MP30,MP40,MP50,MP60,MP70,MP80 and MP90 Intellivue…Philips Medizin Systeme Boblingen GmbH · 2006 · Recalled
- 16 generations backK061052 The Philips Intellivue Patient Monitors, Models…Philips Medical Systems North America, Inc. · 2006
- 15 generations backK061610 Philips Model MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90…Philips Medizin Systeme Boeblingen GmbH · 2006
- 14 generations backK063315 Intellivue Patient Monitors, Models MP20, MP30, MP40, MP50, MP60…Philips Medizin Systeme Boeblingen GmbH · 2006
- 13 generations backK071426 MP2, X2, MP5, MP20, MP30, MP40, MP50, MP60, MP70, MP80, and MP90…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2007
- 12 generations backK083517 Intellivue Patient Monitor, Models MP2, MP5, MP20, MP30, MP40, MP50…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2009 · Recalled
- 11 generations backK091927 Intellivue Patient Monitors ,Models MP40, MP50, MP60, MP70, MP80, MP90Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2009
- 10 generations backK100939 Intellivue Patient Monitor Model: MP2, MP5, MP5T, MP20, MP30, MP40…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2010
- 9 generations backK101449 Intellivue Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2010
- 8 generations backK110622 Intellivue Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2011 · Recalled
- 7 generations backK113657 Intellivue Patient MonitorPhilips Medizin Systeme Boblingen GmbH · 2012
- 6 generations backK122439 Intellivue Patient MonitorPhilips Medizin Systeme Boeblingen GmbH · 2012 · Recalled
- 5 generations backK130849 Intellivue Patient Monitor MX400; Intellivue Patient Monitor MX450Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2013 · Recalled
- 4 generations backK141015 Intellivue Patient Monitor MX400, Intellivue Patient Monitor MX450…Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2014 · Recalled
- 3 generations backK150975 Philips IntelliVue MP2/MP5/MPSC Patient Monitors, Philips IntelliVue…Philips Medizin Systeme Boeblingen GmbH · 2015 · Recalled
- 2 generations backK161531 IntelliVue Patient Monitors MP2, MP5, MP5T, MP5SC, and…Philips Medizin Systeme Boeblingen GmbH · 2016 · Recalled
- 1 generation backK210906 IntelliVue Patient Monitor MX750, IntelliVue Patient Monitor MX850…Philips Medizin Systeme Boeblingen GmbH · 2021 · Recalled
- This deviceK220530 Tetragraph Neuromuscular Transmission MonitorSenzime AB · 2022
Class I recalls in this family
- K970209 Capnocheck Plus10 generations back · 1997
Most influential descendants
Showing 1 of 1 · See all- K261098TetraGraph Neuromuscular Transmission Monitor (SEN 2015)Accessories:TetraSens (SEN…Senzime AB · 2026 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −38 | K941811 | HP M1175A, M1176A, Component Monitoring System | Hewlett-Packard Co. | 1994 | — |
| −37 | K960934 | HP M1205A Omnicare Component Monitor System Model 24 | Hewlett-Packard Co. | 1996 | — |
| −36 | K981376 | Hewlett-Packard M1205A Viridia 24 CT | Hewlett-Packard Co. | 1999 | — |
| −35 | K990125 | HP Viridia Component Monitoring System, Model Rev. K | Hewlett-Packard GmbH | 1999 | — |
| −34 | K990972 | HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP Viridia… | Hewlett-Packard GmbH | 1999 | — |
| −33 | K013199 | Philips Component Compact Monitor,Model M1275B, Philips Compenent Rack, Model… | Philips Medical Systems, Inc. | 2001 | — |
| −32 | K020531 | Philips Multi-Parameter Module, Model M3001A; Philips Component Compact… | Philips Medical Systems | 2002 | — |
| −31 | K021778 | Philips Component Compact Monitor, Release a.04, Model #M1275B | Philips Medical Systems | 2002 | — |
| −30 | K023871 | M3046A (M2/M3/M4) Compact Portable Patient Monitor and MP60 & MP70 Intellivue… | Philips Medical Systems | 2002 | — |
| −29 | K030038 | Philips MP60, MP70 and MP90 Intellivue Patient Monitors with Portal Technology… | Philips Medical Systems, Inc. | 2003 | — |
| −28 | K031481 | The Philips Intellivue MP60, MP70, and MP90 Patient Monitors, Release a.20 | Philips Medizin Systeme Boblingen GmbH | 2003 | — |
| −27 | K032858 | The Philips Intellivue MP40, MP50, MP60, MP70,and MP90 Patient Monitors… | Philips Medizin Systeme Boblingen GmbH | 2003 | — |
| −26 | K040304 | Philips Intellivue Patient Monitor, Models MP40 & MP50 | Philips Medizin Systeme Boeblingen GmbH | 2004 | — |
| −25 | K041235 | Philips MP20, MP30, MP40, MP50. MP60, MP70 and MP90 Intellivue Patient Monitors | Philips Medizin Systeme Boeblingen GmbH | 2004 | — |
| −24 | K042845 | The Philips MP20, MP30, MP40, MP50, MP60, MP70, and MP90 Intellivue Patient… | Philips Medizin Systeme Boblingen GmbH | 2004 | — |
| −23 | K050141 | The Philips MP20, MP30, MP40, MP50, MP60, MP70 and MP90 Intellivue Patient… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −22 | K050762 | Philips Intellivue Patient Monitor, Models MP20, MP30, MP40, MP50, MP60, MP70… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −21 | K051106 | The Philips MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −20 | K052801 | Intellivue Patient Monitors with Release C.02, Models MP20, MP30, MP40, MP50… | Philips Medizin Systeme Boeblingen GmbH | 2005 | — |
| −19 | K053522 | Philips MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue Patient Monitors… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −18 | K060221 | The Phillips, Model MP20,MP30,MP40,MP50,MP60,MP70,MP80,and MP90 Intellivue… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −17 | K060541 | The Philips MP20,MP30,MP40,MP50,MP60,MP70,MP80 and MP90 Intellivue Atient… | Philips Medizin Systeme Boblingen GmbH | 2006 | 2 |
| −16 | K061052 | The Philips Intellivue Patient Monitors, Models… | Philips Medical Systems North America, Inc. | 2006 | — |
| −15 | K061610 | Philips Model MP20, MP30, MP40, MP50, MP60, MP70, MP80 and MP90 Intellivue… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −14 | K063315 | Intellivue Patient Monitors, Models MP20, MP30, MP40, MP50, MP60, MP70, MP80… | Philips Medizin Systeme Boeblingen GmbH | 2006 | — |
| −13 | K071426 | MP2, X2, MP5, MP20, MP30, MP40, MP50, MP60, MP70, MP80, and MP90 Intellivue… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2007 | — |
| −12 | K083517 | Intellivue Patient Monitor, Models MP2, MP5, MP20, MP30, MP40, MP50, MO60… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2009 | 2 |
| −11 | K091927 | Intellivue Patient Monitors ,Models MP40, MP50, MP60, MP70, MP80, MP90 | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2009 | — |
| −10 | K100939 | Intellivue Patient Monitor Model: MP2, MP5, MP5T, MP20, MP30, MP40, MP50… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2010 | — |
| −9 | K101449 | Intellivue Patient Monitor | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2010 | — |
| −8 | K110622 | Intellivue Patient Monitor | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2011 | 2 |
| −7 | K113657 | Intellivue Patient Monitor | Philips Medizin Systeme Boblingen GmbH | 2012 | — |
| −6 | K122439 | Intellivue Patient Monitor | Philips Medizin Systeme Boeblingen GmbH | 2012 | 4 |
| −5 | K130849 | Intellivue Patient Monitor MX400; Intellivue Patient Monitor MX450 | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2013 | 8 |
| −4 | K141015 | Intellivue Patient Monitor MX400, Intellivue Patient Monitor MX450, Intellivue… | Philips Medizinsysteme Boeblingen GmbH, Cardiac AN | 2014 | 1 |
| −3 | K150975 | Philips IntelliVue MP2/MP5/MPSC Patient Monitors, Philips IntelliVue X1 and X2… | Philips Medizin Systeme Boeblingen GmbH | 2015 | 1 |
| −2 | K161531 | IntelliVue Patient Monitors MP2, MP5, MP5T, MP5SC, and Multi-Measurement… | Philips Medizin Systeme Boeblingen GmbH | 2016 | 1 |
| −1 | K210906 | IntelliVue Patient Monitor MX750, IntelliVue Patient Monitor MX850, IntelliVue… | Philips Medizin Systeme Boeblingen GmbH | 2021 | 2 |
| 0 (this device) | K220530 | Tetragraph Neuromuscular Transmission Monitor | Senzime AB | 2022 | — |
| +1 | K261098 | TetraGraph Neuromuscular Transmission Monitor (SEN 2015)Accessories:TetraSens… | Senzime AB | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 1 |
| 1998 | 17 | 0 |
| 1999 | 12 | 0 |
| 2000 | 20 | 0 |
| 2001 | 10 | 0 |
| 2002 | 17 | 0 |
| 2003 | 14 | 0 |
| 2004 | 19 | 0 |
| 2005 | 10 | 0 |
| 2006 | 10 | 0 |
| 2007 | 5 | 0 |
| 2008 | 5 | 0 |
| 2009 | 7 | 0 |
| 2010 | 5 | 0 |
| 2011 | 3 | 0 |
| 2012 | 3 | 0 |
| 2013 | 1 | 0 |
| 2015 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 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 KOI device
- #1 K261098 TetraGraph Neuromuscular Transmission Monitor…score 21.1 · 39 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 |
|---|---|---|---|
| * | K190795 | Tetragraph Neuromuscular Transmission MonitorSummary page 4…12 431 6069 2 Date Prepared 25 March 2022 3 Device Identification Table 1. Device identification The 510(k) number under which the legally Traditional 510(k): K190795, cleared October 18, marketed (existing) device was cleared 2019 Type of this 510(k) Submission: Traditi… | 2019 |
| * | K172690 | ToFscanSummary page 6…ifferences, minor material differences and labeling additions. TetraSens Pediatric electrode has the same target patient group and maximum stimulating energy as TOFscan (K172690). The other reference devices are the pediatric sensor for Phillips IntelliVue Patient Monitor (K122439 and K161531). Philips In… | 2018 |
| * | K210906 | IntelliVue Patient Monitor MX750, IntelliVue Patient Monitor MX850, IntelliVue 4-Slot…Summary page 6…c sensor for Phillips IntelliVue Patient Monitor (K122439 and K161531). Philips Interface are substantially equivalent with Philips IntelliVue 4-Slot Module Rack FMX-4 (K210906) as both are intended to be connected to a Philips IntelliVue monitor to allow for display of data… | 2021 |
| † | K122439 | Intellivue Patient Monitor | 2012 |
| † | K161531 | IntelliVue Patient Monitors MP2, MP5, MP5T, MP5SC, and Multi-Measurement Module X2… | 2016 |
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 |
|---|---|---|---|
| K261098 | TetraGraph Neuromuscular Transmission Monitor (SEN 2015)Accessories:TetraSens (SEN… | 2026 | 0 |
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 · 10 generations back · ◆ in the 1997 ancestors bar of FIG. 11 Class I recall
What does this lineage say?
- The line of descent spans 28 years and passes through 9 companies; a new generation was cleared every 5 months on median.
- 52 of the 268 ancestors have a recall of any class; 1 has a Class I recall.
- Of its descendants, K261098 (Senzime AB, 2026) has gone furthest, with 0 descendants of its own.
- 1 other device also cites its predicate K190795.
How does its category compare?
All KOI devicesKOI Stimulator, Nerve, Peripheral, Electric: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · KOI
2in 2025
2007high 3 (2022) · low 0 (2007)2026
2026 to Oct 25, outlined.
Median 510(k) review, days · KOI
174in 2022
2007high 174 (2022)2026
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KOI
No recall names KOI since 2007.
Adverse event reports per year · KOI
5in 2025
2007high 9 (2014) · low 0 (2007)2025
MAUDE reports naming product code KOI, 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 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 1 |
| 2012 | 0 | — | 0 | 3 |
| 2013 | 0 | — | 0 | 2 |
| 2014 | 0 | — | 0 | 9 |
| 2015 | 0 | — | 0 | 1 |
| 2016 | 1 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 2 | — | 0 | 1 |
| 2019 | 1 | — | 0 | 4 |
| 2020 | 1 | — | 0 | 4 |
| 2021 | 2 | — | 0 | 3 |
| 2022 | 3 | 174 | 0 | 4 |
| 2023 | 0 | — | 0 | 1 |
| 2024 | 1 | — | 0 | 2 |
| 2025 | 2 | — | 0 | 5 |
| 2026 | 1 | — | 0 | — |
What is it indicated for?
The TetraGraph Neuromuscular Transmission (NMT) Monitor is indicated for monitoring the relaxation of the patient when neuromuscular blockade is administered.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K220530 · printed Nov 6, 2026
Cite this page
510(k) Report. “K220530: Tetragraph Neuromuscular Transmission Monitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K220530
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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