510(k) Report

510(k) · Cleared

Cleared

Vital Signs Monitor

K051375510(k) TraditionalCleared Jul 28, 200563-day reviewClass II21 CFR 870.1130

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

Mediana Co., Ltd. · DXN System, Measurement, Blood-Pressure, Non-Invasive

Cleared on Jul 28, 2005 as substantially equivalent to K031740 (Welch Allyn Protocol, Inc., 2003) and 3 other predicates after a 63-day review. Its family tree reaches back 8 generations to 1997. 3 later devices descend from it.

Decided
Jul 28, 2005
Review
63 days
Class
Class II
Product code
DXN
Recalls
None
Predicates
4

Its longest line of descent runs back 8 generations to K962603 (1997). 20 ancestors in all, the oldest K904039 (1990). 3 later devices descend from it, 1 citing it directly.

  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 deviceK051375 Vital Signs MonitorMediana Co., Ltd. · 2005
  10. Descendant · cites it directly · 2 of its ownK152659 V10Mediana Co., Ltd. · 2016
  11. Descendant · 2 generations on · 1 of its ownK170497 V10Mediana Co., Ltd. · 2017 · Recalled
  12. Descendant · 3 generations on · 0 of its ownK200434 V20, V20a, AVSM3 SNFMediana Co., Ltd. · 2020 · Recalled

Most influential descendants

Showing 3 of 3 · See all
  • K152659V10Mediana Co., Ltd. · 2016 · cites it directly2descendants
  • K170497V10Mediana Co., Ltd. · 2017 · 2 generations on1descendant
  • K200434V20, V20a, AVSM3 SNFMediana Co., Ltd. · 2020 · 3 generations on0descendants
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)K051375Vital Signs MonitorMediana Co., Ltd.2005—
+1K152659V10Mediana Co., Ltd.2016—
+2K170497V10Mediana Co., Ltd.20171
+3K200434V20, V20a, AVSM3 SNFMediana Co., Ltd.20201

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199520
199630
199910
200010
200110
200210
200320

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201610
201710
202010
FIG. 1 — Lineage of K051375, 1997–2020Source: 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 DXN? 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 DXN device

  1. #1 K222125 Arm Blood Pressure Monitor, models AOJ-30A…score 18.5 · 8 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? (4)

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
*K031740VSM - Vital Signs Monitor, Model 53000 Series
Summary page 1
…es for Vital signs monitors, Model ARGUS VCM series are: *WelchAllyn Protocol Inc. Vital Signs Monitors, Model 53000 Series cleared by FDA through 510(k) No. K031740, and Welch Allyn Protocol Inc. Vital signs Monitors, Model Propaq LT 802 Series cleared by FDA through 510(k) No. K03…
Welch Allyn Protocol, Inc.2003—
*K033378Vital Signs Monitor, Propaq LT
Summary page 1
…cleared by FDA through 510(k) No. K031740, and Welch Allyn Protocol Inc. Vital signs Monitors, Model Propaq LT 802 Series cleared by FDA through 510(k) No. K033378, and Nellcor Puritan Bennett (division of Tyco Healthcare Inc.) Pulse Oximeter, Model N-550 deared by FDA through 510…
Welch Allyn Protocol, Inc.20043
*K021090Oximax N-550 Pulse Oximeter,Model N-550 Pulse Oximeter
Summary page 1
…y FDA through 510(k) No. K033378, and Nellcor Puritan Bennett (division of Tyco Healthcare Inc.) Pulse Oximeter, Model N-550 deared by FDA through 510(k) No. K021090, and Welch Allyn Inc. Vital Signs Monitors, Welch Allyn Vital Signs Monitor (VSM), cleared by FDA through 510(k) No. K0…
Nellcor Puritan Bennett, Inc.2002—
*K024005Welch Allyn Vital Sign Monitor with MP506
Summary page 1
…0 deared by FDA through 510(k) No. K021090, and Welch Allyn Inc. Vital Signs Monitors, Welch Allyn Vital Signs Monitor (VSM), cleared by FDA through 510(k) No. K024005. Device Description The ARGUS VCM vital signs monitor is to monitor non-invasive blood pressure, pulse rate, non-invasive functi…
Welch Allyn, Inc.2003—

Also cleared against K031740: 5 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K152659V10Mediana Co., Ltd.20162

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 8 years and passes through 5 companies; a new generation was cleared every 11 months on median.
  • 5 of the 20 ancestors have a recall of any class.
  • Of its descendants, K152659 (Mediana Co., Ltd., 2016) has gone furthest, with 2 descendants of its own.
  • 5 other devices also cite its predicate K031740.

How does its category compare?

All DXN devices

DXN System, Measurement, Blood-Pressure, Non-Invasive: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DXN

28in 2025

2007: 272008: 232009: 462010: 432011: 342012: 362013: 342014: 292015: 302016: 302017: 332018: 222019: 332020: 242021: 232022: 252023: 352024: 172025: 282026 (partial year): 29
2007high 46 (2009) · low 17 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DXN

142in 2025

2007: 118 days median2008: 82 days median2009: 73 days median2010: 94 days median2011: 72 days median2012: 116 days median2013: 150 days median2014: 133 days median2015: 97 days median2016: 144 days median2017: 184 days median2018: 235 days median2019: 156 days median2020: 198 days median2021: 190 days median2022: 137 days median2023: 182 days median2024: 107 days median2025: 142 days median2026 (partial year): 147 days median
2007high 235 (2018) · low 72 (2011)2026

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

Recalls per year · DXN

3in 2024

2008: 12009: 32011: 12013: 12016: 12019: 12024: 3
2007high 3 (2009) · low 0 (2007)2026

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

Adverse event reports per year · DXN

239in 2025

2007: 212008: 82009: 172010: 142011: 102012: 192013: 722014: 472015: 622016: 542017: 902018: 6172019: 962020: 1302021: 1622022: 1552023: 1622024: 2702025: 239
2007high 617 (2018) · low 8 (2008)2025

MAUDE reports naming product code DXN, 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
200727118021
2008238218
20094673317
20104394014
20113472110
201236116019
201334150172
201429133047
20153097062
201630144154
201733184090
2018222350617
201933156196
2020241980130
2021231900162
2022251370155
2023351820162
2024171073270
2025281420239
2026291470—

What is it indicated for?

The purpose and function of the Mediana ARGUS VCM vital signs monitor is to monitor non-invasive blood pressure (systolic, diastolic, and mean arterial pressures), functional arterial oxygen saturation, pulse rate for adult, pediatric and neonate patients and temperature for adult and pediatric patients in all hospital areas and hospital-type facilities. It may be used during hospital transport and in mobile, land-based environments, such as ambulances…

Read the full statement (128 words)

The purpose and function of the Mediana ARGUS VCM vital signs monitor is to monitor non-invasive blood pressure (systolic, diastolic, and mean arterial pressures), functional arterial oxygen saturation, pulse rate for adult, pediatric and neonate patients and temperature for adult and pediatric patients in all hospital areas and hospital-type facilities. It may be used during hospital transport and in mobile, land-based environments, such as ambulances, within the specification of the environmental characteristics.

Note: Hospital use typically covers such areas as general care floors, operating rooms, special procedure areas, intensive and critical care areas, within the hospital plus hospital-type facilities. Hospital-type facilities include physician office based facilities, sleep labs, skilled nursing facilities, surgicenters, and sub-acutecenters.

Note: Intra-hospital transport includes transport of a patient within the hospital or hospital-type facility.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K051375: Vital Signs Monitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051375

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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