510(k) Report

510(k) · Cleared

Cleared

ViSi Mobile Monitoring System

K150361510(k) SpecialCleared Apr 30, 201577-day reviewClass II21 CFR 870.2300

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

Sotera Wireless, Inc. · MWI Monitor, Physiological, Patient (Without Arrhythmia Detection Or Alarms)

Cleared on Apr 30, 2015 as substantially equivalent to K143751 (Sotera Wireless, Inc., 2015) after a 77-day review. Its family tree reaches back 11 generations to 1997. 6 later devices descend from it.

Decided
Apr 30, 2015
Review
77 days
Class
Class II
Product code
MWI
Recalls
None
Predicates
1

Its longest line of descent runs back 11 generations to K962603 (1997). 44 ancestors in all, the oldest K872291 (1987). 6 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2013: 1 other ancestor2012: 1 other ancestor2008: 2 other ancestors2005: 1 other ancestor2003: 2 other ancestors2002: 4 other ancestors2000: 2 other ancestors2007: 2 other ancestors2001: 1 other ancestor1998: 1 other ancestor1997: 1 other ancestor1996: 3 other ancestors1994: 2 other ancestors1991: 1 other ancestor1988: 1 other ancestor1999: 1 other ancestor1995: 2 other ancestors1993: 2 other ancestors1987: 1 other ancestor1990: 1 other ancestor1989: 1 other ancestor2018: 1 descendant cleared2019: 1 descendant cleared2022: 1 descendant cleared2025: 2 descendants cleared2023: 1 descendant clearedK962603 · Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & Cables · Masimo Corp. · 1997K973887 · Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and Cables · Masimo Corp. · 1998K982255 · Model 2000 Pulse Oximeter · Ivy Biomedical Systems, Inc. · 1998K991823 · N-395 Pulse Oximeter, Model N-395 · Nellcor Puritan Bennett, Inc. · 1999×2: 2 generations cleared close together, K012891 (2002), K021090 (2002) K031740 · VSM - Vital Signs Monitor, Model 53000 Series · Welch Allyn Protocol, Inc. · 2003K033378 · Vital Signs Monitor, Propaq LT · Welch Allyn Protocol, Inc. · 2004 · recalledK122036 · Visi Mobile Monitoring System · Sotera Wireless, Inc. · 2012 · recalledK133586 · Visi Mobile Monitioring System · Sotera Wireless, Inc. · 2013K143751 · Visi Mobile Monitoring System · Sotera Wireless, Inc. · 20151990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 2 other ancestors4 generations back: 6 other ancestors5 generations back: 11 other ancestors6 generations back: 8 other ancestors7 generations back: 5 other ancestors 1 generation forward: 2 descendants2 generations forward: 1 descendant3 generations forward: 3 descendants K143751 · Visi Mobile Monitoring System · Sotera Wireless, Inc. · 2015K133586 · Visi Mobile Monitioring System · Sotera Wireless, Inc. · 2013K122036 · Visi Mobile Monitoring System · Sotera Wireless, Inc. · 2012 · recalledK033378 · Vital Signs Monitor, Propaq LT · Welch Allyn Protocol, Inc. · 2004 · recalledK031740 · VSM - Vital Signs Monitor, Model 53000 Series · Welch Allyn Protocol, Inc. · 2003K021090 · Oximax N-550 Pulse Oximeter,Model N-550 Pulse Oximeter · Nellcor Puritan Bennett, Inc. · 2002K012891 · Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and Cables (Aka Accessories) · Nellcor Puritan Bennett, Inc. · 2002 · recalledK991823 · N-395 Pulse Oximeter, Model N-395 · Nellcor Puritan Bennett, Inc. · 1999K982255 · Model 2000 Pulse Oximeter · Ivy Biomedical Systems, Inc. · 1998K973887 · Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and Cables · Masimo Corp. · 1998K962603 · Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & Cables · Masimo Corp. · 1997−10−50
  1. Root · 11 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
  2. 7 generations between
  3. 3 generations backK122036 Visi Mobile Monitoring SystemSotera Wireless, Inc. · 2012 · Recalled
  4. 2 generations backK133586 Visi Mobile Monitioring SystemSotera Wireless, Inc. · 2013
  5. 1 generation backK143751 Visi Mobile Monitoring SystemSotera Wireless, Inc. · 2015
  6. This deviceK150361 ViSi Mobile Monitoring SystemSotera Wireless, Inc. · 2015
  7. Descendant · cites it directly · 4 of its ownK183067 Guardian Angel Rx GA2000 Digital Vital Sign Monitoring SystemTaiwan Aulisa Medical Devices Technologies, Inc. · 2019
  8. Descendant · 2 generations on · 3 of its ownK203208 Guardian Angel Rx GA2000 Series Digital Vital Sign Monitoring SystemTaiwan Aulisa Medical Devices Technologies, Inc. · 2022
  9. Descendant · 3 generations on · 0 of its ownK233963 Aulisa Oximeter Module (2nd Gen.) (GA-OM0007, GA-OM0008)Taiwan Aulisa Medical Devices Technologies, Inc. · 2025
  10. Descendant · 3 generations on · 0 of its ownK233956 Aulisa Infant Oximeter Module (2nd Gen.) (GA-OM0018)Taiwan Aulisa Medical Devices Technologies, Inc. · 2025
  11. Descendant · 3 generations on · 0 of its ownK223721 Masimo StorkMasimo Corporation · 2023
Show all 11 generations
  1. Root · 11 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
  2. 10 generations backK973887 Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and…Masimo Corp. · 1998
  3. 9 generations backK982255 Model 2000 Pulse OximeterIvy Biomedical Systems, Inc. · 1998
  4. 8 generations backK991823 N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc. · 1999
  5. 7 generations backK012891 Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax…Nellcor Puritan Bennett, Inc. · 2002 · Recalled
  6. 6 generations backK021090 Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc. · 2002
  7. 5 generations backK031740 VSM - Vital Signs Monitor, Model 53000 SeriesWelch Allyn Protocol, Inc. · 2003
  8. 4 generations backK033378 Vital Signs Monitor, Propaq LTWelch Allyn Protocol, Inc. · 2004 · Recalled
  9. 3 generations backK122036 Visi Mobile Monitoring SystemSotera Wireless, Inc. · 2012 · Recalled
  10. 2 generations backK133586 Visi Mobile Monitioring SystemSotera Wireless, Inc. · 2013
  11. 1 generation backK143751 Visi Mobile Monitoring SystemSotera Wireless, Inc. · 2015
  12. This deviceK150361 ViSi Mobile Monitoring SystemSotera Wireless, Inc. · 2015

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2018: 12019: 12022: 12023: 12025: 2
2018high 2 (2025) · low 0 (2020)2026

Most influential descendants

Showing 5 of 6 · See all
  • K183067Guardian Angel Rx GA2000 Digital Vital Sign Monitoring SystemTaiwan Aulisa Medical Devices Technologies, Inc. · 2019 · cites it directly4descendants
  • K203208Guardian Angel Rx GA2000 Series Digital Vital Sign Monitoring SystemTaiwan Aulisa Medical Devices Technologies, Inc. · 2022 · 2 generations on3descendants
  • K233963Aulisa Oximeter Module (2nd Gen.) (GA-OM0007, GA-OM0008)Taiwan Aulisa Medical Devices Technologies, Inc. · 2025 · 3 generations on0descendants
  • K233956Aulisa Infant Oximeter Module (2nd Gen.) (GA-OM0018)Taiwan Aulisa Medical Devices Technologies, Inc. · 2025 · 3 generations on0descendants
  • K223721Masimo StorkMasimo Corporation · 2023 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K962603Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp.1997—
−10K973887Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and CablesMasimo Corp.1998—
−9K982255Model 2000 Pulse OximeterIvy Biomedical Systems, Inc.1998—
−8K991823N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc.1999—
−7K012891Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and…Nellcor Puritan Bennett, Inc.20021
−6K021090Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc.2002—
−5K031740VSM - Vital Signs Monitor, Model 53000 SeriesWelch Allyn Protocol, Inc.2003—
−4K033378Vital Signs Monitor, Propaq LTWelch Allyn Protocol, Inc.20043
−3K122036Visi Mobile Monitoring SystemSotera Wireless, Inc.20122
−2K133586Visi Mobile Monitioring SystemSotera Wireless, Inc.2013—
−1K143751Visi Mobile Monitoring SystemSotera Wireless, Inc.2015—
0 (this device)K150361ViSi Mobile Monitoring SystemSotera Wireless, Inc.2015—
+1K183067Guardian Angel Rx GA2000 Digital Vital Sign Monitoring SystemTaiwan Aulisa Medical Devices Technologies, Inc.2019—
+2K203208Guardian Angel Rx GA2000 Series Digital Vital Sign Monitoring SystemTaiwan Aulisa Medical Devices Technologies, Inc.2022—
+3K233963Aulisa Oximeter Module (2nd Gen.) (GA-OM0007, GA-OM0008)Taiwan Aulisa Medical Devices Technologies, Inc.2025—
+3K233956Aulisa Infant Oximeter Module (2nd Gen.) (GA-OM0018)Taiwan Aulisa Medical Devices Technologies, Inc.2025—
+3K223721Masimo StorkMasimo Corporation2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
198810
198910
199010
199110
199320
199420
199520
199630
199710
199810
199910
200020
200110
200240
200320
200510
200720
200820
201210
201310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
201910
202210
202310
202520
FIG. 1 — Lineage of K150361, 1997–2025Source: 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 MWI? 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 MWI device

  1. #1 K230457 Empatica Health Monitoring Platform…score 28.0 · 39 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K143751Visi Mobile Monitoring System
Summary page 4
…ication number 21 CFR 870.2300 Product code MWI, DRT, DXN, DQA, FLL Regulatory class II Predicate devices ViSi Mobile Monitoring System; K143751 (Clearance: 01/23/2015) Description The ViSi Mobile Monitoring System is a lightweight, body-worn vital signs…
Sotera Wireless, Inc.2015—

Also cleared against K143751: 2 other devices →

What descends from it? (6)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K183067Guardian Angel Rx GA2000 Digital Vital Sign Monitoring SystemTaiwan Aulisa Medical Devices Technologies, Inc.20194
K172965Handheld VitalSigns Monitoring SystemVisiomed Technology Co.,Ltd20180

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 18 years and passes through 5 companies; a new generation was cleared every 11 months on median.
  • 9 of the 44 ancestors have a recall of any class.
  • Of its descendants, K183067 (Taiwan Aulisa Medical Devices Technologies, Inc., 2019) has gone furthest, with 4 descendants of its own.
  • 2 other devices also cite its predicate K143751.

How does its category compare?

All MWI devices

MWI Monitor, Physiological, Patient (Without Arrhythmia Detection Or Alarms): FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · MWI

4in 2025

2007: 92008: 92009: 62010: 172011: 112012: 132013: 202014: 162015: 192016: 122017: 132018: 112019: 142020: 82021: 92022: 52023: 82024: 102025: 42026 (partial year): 6
2007high 20 (2013) · low 4 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MWI

247in 2025

2007: 42 days median2008: 49 days median2009: 112 days median2010: 58 days median2011: 78 days median2012: 104 days median2013: 85 days median2014: 148 days median2015: 127 days median2016: 165 days median2017: 205 days median2018: 217 days median2019: 255 days median2020: 138 days median2021: 161 days median2022: 231 days median2023: 250 days median2024: 202 days median2025: 247 days median2026 (partial year): 239 days median
2007high 255 (2019) · low 42 (2007)2026

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

Recalls per year · MWI

9so far in 2026, the most since 2007

2007: 12008: 12009: 22010: 22011: 32012: 52013: 32014: 62015: 12017: 22019: 42022: 22024: 52026 (partial year): 9
2007high 9 (2026) · low 0 (2016)2026

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

Adverse event reports per year · MWI

182in 2025

2007: 32008: 32009: 202010: 172011: 162012: 312013: 422014: 302015: 312016: 512017: 852018: 1582019: 1692020: 1102021: 1882022: 1682023: 1792024: 1202025: 182
2007high 188 (2021) · low 3 (2007)2025

MAUDE reports naming product code MWI, 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
200794213
200894913
20096112220
20101758217
20111178316
201213104531
20132085342
201416148630
201519127131
201612165051
201713205285
2018112170158
2019142554169
202081380110
202191610188
202252312168
202382500179
2024102025120
202542470182
202662399—

What is it indicated for?

The ViSi Mobile Monitoring System is intended for use by clinicians and medically qualified personnel for single or multi-parameter vital signs monitoring of adult patients (18 years or older). It is indicated for ECG (3 or 5 lead-wire), respiration rate (RESP), heart rate (HR), noninvasive blood pressure (NIBP), continuous noninvasive blood pressure (cNIBP), noninvasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO2), pulse rate…

Read the full statement (105 words)

The ViSi Mobile Monitoring System is intended for use by clinicians and medically qualified personnel for single or multi-parameter vital signs monitoring of adult patients (18 years or older). It is indicated for ECG (3 or 5 lead-wire), respiration rate (RESP), heart rate (HR), noninvasive blood pressure (NIBP), continuous noninvasive blood pressure (cNIBP), noninvasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO2), pulse rate (PR), and skin temperature (TEMP) in hospital-based facilities; including, general medical-surgical floors, intermediate care floors, and emergency departments.

The ViSi Mobile Monitoring System may be used as standalone devices or networked to ViSi Mobile Remote Viewers through wireless 802.11 communication.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K150361: ViSi Mobile Monitoring System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K150361

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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