510(k) Report

510(k) · Cleared

Cleared

Nihon Kohden Bedside Monitor, BSM 9100A Series

K082785510(k) SpecialCleared Nov 26, 200864-day reviewClass II21 CFR 870.1025

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Nihon Kohden America, Inc. · MHX Monitor, Physiological, Patient (With Arrhythmia Detection Or Alarms)

Cleared on Nov 26, 2008 as substantially equivalent to K080342 (Nihon Kohden America, Inc., 2008) after a 64-day review. Its family tree reaches back 5 generations to 1995. 5 later devices descend from it.

Decided
Nov 26, 2008
Review
64 days
Class
Class II
Product code
MHX
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K951127 (1995). 10 ancestors in all. 5 later devices descend from it, 1 citing it directly.

Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 2 other ancestors4 generations back: 1 other ancestor5 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 1 descendant3 generations forward: 2 descendants4 generations forward: 1 descendant K080342 · Nihon Kohden Bedside Monitor, Model BSM-6000S Series · Nihon Kohden America, Inc. · 2008K030105 · Anesthesia Monitor; Bedside Monitor, Series BSM-5130A · Nihon Kohden America, Inc. · 2003K020046 · Multigas Unit, Model AG-920RA · Nihon Kohden America, Inc. · 2002K965062 · Siemens SC9000/SC9015 Multigas and Multigas+ Modules · Siemens Medical Solutions USA, Inc. · 1997K951127 · Hewlett-Packard Model M1026A Anesthetic Gas Module · Hewlett-Packard GmbH · 1995−50
  1. Root · 5 generations backK951127 Hewlett-Packard Model M1026A Anesthetic Gas ModuleHewlett-Packard GmbH · 1995
  2. 4 generations backK965062 Siemens SC9000/SC9015 Multigas and Multigas+ ModulesSiemens Medical Solutions USA, Inc. · 1997
  3. 3 generations backK020046 Multigas Unit, Model AG-920RANihon Kohden America, Inc. · 2002
  4. 2 generations backK030105 Anesthesia Monitor; Bedside Monitor, Series BSM-5130ANihon Kohden America, Inc. · 2003
  5. 1 generation backK080342 Nihon Kohden Bedside Monitor, Model BSM-6000S SeriesNihon Kohden America, Inc. · 2008
  6. This deviceK082785 Nihon Kohden Bedside Monitor, BSM 9100A SeriesNihon Kohden America, Inc. · 2008
  7. Descendant · cites it directly · 4 of its ownK151080 Nihon Kohden CSM 1901 Bedside MonitorNihon Kohden · 2015 · Recalled
  8. Descendant · 2 generations on · 3 of its ownK201949 Smart Cable NMT Module and Accessories, Life Scope BSM 3000 Series…Nihon Kohden Corporation · 2021
  9. Descendant · 3 generations on · 1 of its ownK213316 Life Scope PT BSM-1700 Series, AY Series, Data Acquisition Unit…Nihon Kohden Corporation · 2021
  10. Descendant · 4 generations on · 0 of its ownK220976 Life Scope PT BSM-1700 Series Bedside MonitorNihon Kohden Corporation · 2022
  11. Descendant · 3 generations on · 0 of its ownK203435 Nihon Kohden Life Scope G5 Bedside Monitoring System, Nihon Kohden…Nihon Kohden Corporation · 2021

Most influential descendants

Showing 5 of 5 · See all
  • K151080Nihon Kohden CSM 1901 Bedside MonitorNihon Kohden · 2015 · cites it directly4descendants
  • K201949Smart Cable NMT Module and Accessories, Life Scope BSM 3000 Series and Life Scope BSM…Nihon Kohden Corporation · 2021 · 2 generations on3descendants
  • K213316Life Scope PT BSM-1700 Series, AY Series, Data Acquisition Unit, LIFE SCOPE BSM 6000…Nihon Kohden Corporation · 2021 · 3 generations on1descendant
  • K220976Life Scope PT BSM-1700 Series Bedside MonitorNihon Kohden Corporation · 2022 · 4 generations on0descendants
  • K203435Nihon Kohden Life Scope G5 Bedside Monitoring System, Nihon Kohden Life Scope G7 Bedside…Nihon Kohden Corporation · 2021 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K951127Hewlett-Packard Model M1026A Anesthetic Gas ModuleHewlett-Packard GmbH1995—
−4K965062Siemens SC9000/SC9015 Multigas and Multigas+ ModulesSiemens Medical Solutions USA, Inc.1997—
−3K020046Multigas Unit, Model AG-920RANihon Kohden America, Inc.2002—
−2K030105Anesthesia Monitor; Bedside Monitor, Series BSM-5130ANihon Kohden America, Inc.2003—
−1K080342Nihon Kohden Bedside Monitor, Model BSM-6000S SeriesNihon Kohden America, Inc.2008—
0 (this device)K082785Nihon Kohden Bedside Monitor, BSM 9100A SeriesNihon Kohden America, Inc.2008—
+1K151080Nihon Kohden CSM 1901 Bedside MonitorNihon Kohden20151
+2K201949Smart Cable NMT Module and Accessories, Life Scope BSM 3000 Series and Life…Nihon Kohden Corporation2021—
+3K213316Life Scope PT BSM-1700 Series, AY Series, Data Acquisition Unit, LIFE SCOPE…Nihon Kohden Corporation2021—
+4K220976Life Scope PT BSM-1700 Series Bedside MonitorNihon Kohden Corporation2022—
+3K203435Nihon Kohden Life Scope G5 Bedside Monitoring System, Nihon Kohden Life Scope…Nihon Kohden Corporation2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
199610
200010
200110
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201510
202130
202210
FIG. 1 — Lineage of K082785, 1995–2022Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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 MHX? 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. #1 K251702 IntelliVue Patient Monitor MX750; IntelliVue…score 23.0 · 40 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K080342Nihon Kohden Bedside Monitor, Model BSM-6000S Series
Summary page 1
…Class II by the Anesthesiology Device Classification Panel. Legally Marketed Predicate Device: Nihon Kohden BSM-6000 Series Bedside Monitor and Accessories per 5 10(k) K080342 commercial distribution certification dated February 26, 2008. Intended Use: The device is intended to monitor, display and re…
Nihon Kohden America, Inc.2008—
†K020046Multigas Unit, Model AG-920RANihon Kohden America, Inc.2002—

Also cleared against K080342: 4 other devices →

What descends from it? (5)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K151080Nihon Kohden CSM 1901 Bedside MonitorNihon Kohden20154

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 13 years and passes through 3 companies; a new generation was cleared every 2.2 years on median.
  • 1 of the 10 ancestors has a recall of any class.
  • Of its descendants, K151080 (Nihon Kohden, 2015) has gone furthest, with 4 descendants of its own.
  • 4 other devices also cite its predicate K080342.

How does its category compare?

All MHX devices

MHX Monitor, Physiological, Patient (With Arrhythmia Detection Or Alarms): FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.

FDA decisions per year · MHX

8in 2025

2007: 152008: 162009: 132010: 202011: 122012: 162013: 212014: 132015: 142016: 132017: 142018: 112019: 72020: 112021: 52022: 152023: 82024: 52025: 82026 (partial year): 14
2007high 21 (2013) · low 5 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MHX

192in 2025

2007: 96 days median2008: 58 days median2009: 57 days median2010: 90 days median2011: 81 days median2012: 88 days median2013: 120 days median2014: 248 days median2015: 203 days median2016: 149 days median2017: 134 days median2018: 203 days median2019: 243 days median2020: 196 days median2021: 195 days median2022: 189 days median2023: 229 days median2024: 181 days median2025: 192 days median2026 (partial year): 205 days median
2007high 248 (2014) · low 57 (2009)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · MHX

21so far in 2026, the most since 2007

2007: 32008: 22009: 72010: 132011: 162012: 112013: 142014: 62015: 52016: 72017: 62018: 122019: 62022: 62023: 32024: 32025: 152026 (partial year): 21
2007high 21 (2026) · low 0 (2020)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · MHX

3,761in 2025

2007: 1312008: 2322009: 3822010: 9552011: 9492012: 6762013: 1,9972014: 1,6092015: 1,2842016: 1,1052017: 1,1152018: 2,1572019: 1,4622020: 1,7142021: 2,4232022: 1,4702023: 2,2542024: 2,8142025: 3,761
2007high 3,761 (2025) · low 131 (2007)2025

MAUDE reports naming product code MHX, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
200715963131
200816582232
200913577382
2010209013955
2011128116949
2012168811676
201321120141,997
20141324861,609
20151420351,284
20161314971,105
20171413461,115
201811203122,157
2019724361,462
20201119601,714
2021519502,423
20221518961,470
2023822932,254
2024518132,814
20258192153,761
20261420521—

What is it indicated for?

The device is intended to monitor, display and record physiological data to provide cardiac and vital signs monitoring within a medical facility. The device is intended to produce a visual record of the electrical signals produced by the heart and monitor the electrocardiogram to generate visible and/or audible alarms when an arrhythmia exists. The device is also intended to monitor heart rate, pulse rate, blood oxygen saturation (SpO2), noninvasive…

Read the full statement (172 words)

The device is intended to monitor, display and record physiological data to provide cardiac and vital signs monitoring within a medical facility. The device is intended to produce a visual record of the electrical signals produced by the heart and monitor the electrocardiogram to generate visible and/or audible alarms when an arrhythmia exists. The device is also intended to monitor heart rate, pulse rate, blood oxygen saturation (SpO2), noninvasive blood pressure (NIBP), invasive blood pressure (IBP), body temperature, Cardiac Output (CO), oxygen concentration (FiO 2), Carbon dioxide Concentration (C0 2) and EtCO 2, respiratory rate, BIS and inspired and expired anesthetic agents and gases including C0 2, 02, N 2 0, Halothane, Isoflurane, Enflurane, Sevoflurane and Desflurane. Anesthetic agents and gases are detected using the cleared AG-920RA Anesthetic Agent Detection System K020046 cleared for distribution on July 23, 2002. The device also monitors Ventilators, CO 2 Monitors, TOF Monitors, BIS Monitors and CCO/SvO 2 Monitors .The device may generate an audible and/or visual alarm when a measured rate falls outside preset limits.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K082785: Nihon Kohden Bedside Monitor, BSM 9100A Series.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K082785

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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