510(k) Report

510(k) · Cleared

Cleared

WVSM (Wireless Vital Signs Monitor), Model 5.0

K101674510(k) TraditionalCleared Jul 21, 201036-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

Athena Gtx · MWI Monitor, Physiological, Patient (Without Arrhythmia Detection Or Alarms)

Cleared on Jul 21, 2010 as substantially equivalent to K033378 (Welch Allyn Protocol, Inc., 2004) and 4 other predicates after a 36-day review. Its family tree reaches back 8 generations to 1997. 17 later devices descend from it.

Decided
Jul 21, 2010
Review
36 days
Class
Class II
Product code
MWI
Recalls
None
Predicates
5

Its longest line of descent runs back 8 generations to K962603 (1997). 30 ancestors in all, the oldest K904039 (1990). 17 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2007: 1 other ancestor2005: 2 other ancestors2004: 1 other ancestor2002: 2 other ancestors2001: 1 other ancestor2000: 3 other ancestors1997: 1 other ancestor1996: 3 other ancestors1994: 1 other ancestor1991: 1 other ancestor2003: 1 other ancestor1999: 1 other ancestor1995: 2 other ancestors1993: 1 other ancestor1990: 1 other ancestor2013: 1 descendant cleared2012: 1 descendant cleared2020: 1 descendant cleared2019: 1 descendant cleared2018: 1 descendant cleared2025: 3 descendants cleared2023: 2 descendants cleared2022: 2 descendants cleared2024: 1 descendant cleared2026: 4 descendants 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 · recalled1990200020102020
  1. Root · 8 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
  2. 7 generations backK973887 Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and…Masimo Corp. · 1998
  3. 6 generations backK982255 Model 2000 Pulse OximeterIvy Biomedical Systems, Inc. · 1998
  4. 5 generations backK991823 N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc. · 1999
  5. 4 generations backK012891 Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax…Nellcor Puritan Bennett, Inc. · 2002 · Recalled
  6. 3 generations backK021090 Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc. · 2002
  7. 2 generations backK031740 VSM - Vital Signs Monitor, Model 53000 SeriesWelch Allyn Protocol, Inc. · 2003
  8. 1 generation backK033378 Vital Signs Monitor, Propaq LTWelch Allyn Protocol, Inc. · 2004 · Recalled
  9. This deviceK101674 WVSM (Wireless Vital Signs Monitor), Model 5.0Athena Gtx · 2010
  10. Descendant · cites it directly · 13 of its ownK113165 Mini-MedicAthena Gtx · 2012
  11. Descendant · 2 generations on · 12 of its ownK190792 BB-613WPBiobeat Technologies, Ltd. · 2019
  12. Descendant · 3 generations on · 5 of its ownK212153 Biobeat Platform, BB-613WP PatchBiobeat Technologies, Ltd. · 2022
  13. Descendant · 4 generations on · 2 of its ownK242018 UbiqVue™ 2A Multi-parameter System (UX2550)Lifesignals, Inc. · 2024
  14. Descendant · 3 generations on · 2 of its ownK222658 Accurate 24 Non-invasive blood pressure monitorAccurate Meditech, Inc. · 2023

Showing 5 of 17 descendants. See all descendants

Descendants cleared per year

2012: 12013: 12018: 12019: 12020: 12022: 22023: 22024: 12025: 32026: 4
2012high 4 (2026) · low 0 (2014)2026

Most influential descendants

Showing 5 of 17 · See all
  • K113165Mini-MedicAthena Gtx · 2012 · cites it directly13descendants
  • K190792BB-613WPBiobeat Technologies, Ltd. · 2019 · 2 generations on12descendants
  • K212153Biobeat Platform, BB-613WP PatchBiobeat Technologies, Ltd. · 2022 · 3 generations on5descendants
  • K242018UbiqVue™ 2A Multi-parameter System (UX2550)Lifesignals, Inc. · 2024 · 4 generations on2descendants
  • K222658Accurate 24 Non-invasive blood pressure monitorAccurate Meditech, Inc. · 2023 · 3 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K962603Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp.1997—
−7K973887Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and CablesMasimo Corp.1998—
−6K982255Model 2000 Pulse OximeterIvy Biomedical Systems, Inc.1998—
−5K991823N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc.1999—
−4K012891Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and…Nellcor Puritan Bennett, Inc.20021
−3K021090Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc.2002—
−2K031740VSM - Vital Signs Monitor, Model 53000 SeriesWelch Allyn Protocol, Inc.2003—
−1K033378Vital Signs Monitor, Propaq LTWelch Allyn Protocol, Inc.20043
0 (this device)K101674WVSM (Wireless Vital Signs Monitor), Model 5.0Athena Gtx2010—
+1K113165Mini-MedicAthena Gtx2012—
+2K190792BB-613WPBiobeat Technologies, Ltd.2019—
+3K212153Biobeat Platform, BB-613WP PatchBiobeat Technologies, Ltd.2022—
+4K242018UbiqVue™ 2A Multi-parameter System (UX2550)Lifesignals, Inc.2024—
+3K222658Accurate 24 Non-invasive blood pressure monitorAccurate Meditech, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199110
199310
199410
199520
199630
199710
199910
200030
200110
200220
200310
200410
200520
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201210
201310
201810
201910
202010
202220
202320
202410
202530
202640
FIG. 1 — Lineage of K101674, 1997–2026Source: 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*K033378Vital Signs Monitor, Propaq LT
Summary page 1
…gulation: Class II Basis for Submission: New device design Legally Marketed (Predicate) Devices: Welch Ally Propaq LT Vital Signs Monitor; (K033378) Nonin Medical, Inc. Model # 7500 Digital Pulse Oximeter (K071 285)…
Welch Allyn Protocol, Inc.20043
*K071285Digital Pulse Oximeter, Model 7500
Summary page 1
…Welch Ally Propaq LT Vital Signs Monitor; (K033378) Nonin Medical, Inc. Model # 7500 Digital Pulse Oximeter (K071 285) HomnMed Genesis Patient Monitor System (K040799) Welch Allyn Acuity Ce…
Nonin Medical, Inc.2007—
*K040799Hommed Genesis Patient Monitor System with Options
Summary page 1
…Nonin Medical, Inc. Model # 7500 Digital Pulse Oximeter (K071 285) HomnMed Genesis Patient Monitor System (K040799) Welch Allyn Acuity Central Monitoring Station (K052160, K022453) Devic…
Hommed, LLC2004—
*K052160Acuity Central Station, Model 020XXXXX (Note: Xxxxx = Various Config.)
Summary page 1
…HomnMed Genesis Patient Monitor System (K040799) Welch Allyn Acuity Central Monitoring Station (K052160, K022453) Device Description: The Athena GTX (WVSM) Wireless Vital Signs Monitor is a small,…
Welch Allyn, Inc.20052
*K022453Modification to Acuity Central Monitoring System
Summary page 1
…HomnMed Genesis Patient Monitor System (K040799) Welch Allyn Acuity Central Monitoring Station (K052160, K022453) Device Description: The Athena GTX (WVSM) Wireless Vital Signs Monitor is a small, lightwei…
Welch Allyn Protocol, Inc.20021

Also cleared against K033378: 5 other devices →

What descends from it? (17)

See all 17

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

NumberDeviceApplicantDecidedDescendants
K113165Mini-MedicAthena Gtx201213
K130957WVSM (Wirless Vital Signs Monitor)Athena Gtx20131
K191989WVSM (Wireless Vital Signs Monitor) RWC + miniCapAthena Gtx20200

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 5 companies; a new generation was cleared every 11 months on median.
  • 9 of the 30 ancestors have a recall of any class.
  • Of its descendants, K113165 (Athena Gtx, 2012) has gone furthest, with 13 descendants of its own.
  • 5 other devices also cite its predicate K033378.

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. 2010, 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 Wireless Vital Signs Monitor (WV'SM) is intended to be used as an adult patient monitor. It is indicated as a single or multi-parameter vital signs monitor for ECG, noninvasive blood pressure (NIBP) and SpO2. It may be used in the following locations: Hospitals,,healthcare facilities. emergency medical applications, during transport, and other healthcare applications. The monitor uses wireless communications to transmit vital signs data to a handheld or PC computer. The monitor is intended to be used by trained healthcare providers.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K101674: WVSM (Wireless Vital Signs Monitor), Model 5.0.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K101674

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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