510(k) Report

510(k) · Cleared

Cleared

CNAP Monitor

K183521510(k) TraditionalCleared Sep 11, 2019266-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

Cnsystems Medizintechnik GmbH · DXN System, Measurement, Blood-Pressure, Non-Invasive

Cleared on Sep 11, 2019 as substantially equivalent to K082599 (Cnsystem Medizintechnik AG, 2008) and 2 other predicates after a 266-day review. Its family tree reaches back 11 generations to 2000. 1 of the 40 devices in its family, counting itself, has a Class I recall. 1 later device descends from it.

Decided
Sep 11, 2019
Review
266 days
Class
Class II
Product code
DXN
Recalls
None
Predicates
3

Its longest line of descent runs back 11 generations to K000126 (2000). 38 ancestors in all, the oldest K822055 (1982). 1 later device descends from it, 1 citing it directly. 1 of the 40 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2018: 1 other ancestor2008: 2 other ancestors2014: 1 other ancestor2012: 1 other ancestor2003: 2 other ancestors2002: 1 other ancestor2011: 1 other ancestor2001: 1 other ancestor2000: 1 other ancestor1988: 1 other ancestor2010: 1 other ancestor2007: 2 other ancestors1999: 2 other ancestors1996: 2 other ancestors1995: 1 other ancestor2006: 1 other ancestor1998: 2 other ancestors1985: 1 other ancestor2004: 1 other ancestor1997: 1 other ancestor1982: 1 other ancestor2023: 1 descendant clearedK000126 · Masimo Set Radical Pulse Oximeter with Satshare, Masimo Lnop-Adt-Adult/Pediatric Disposable Sensor, Masimo Lno-PDT-Pedia · Masimo Corp. · 2000K031330 · Modification to Masimo Set Radical Pulse Oximeter with Satshare and Lnop Series of Sensors and Cables · Masimo Corp. · 2003K033296 · Masimo Set Rad-5 Pulse Oximeter, Model Rad-5; Masimo Set Rad-5V Pulse Oximeter, Model Rad-5V · Masimo Corp. · 2004 · recalledK042536 · Masimo Set Rad 57 Pulse CO-Oximeter · Masimo Corporation · 2005 · recalled×2: 2 generations cleared close together, K053477 (2006), K061204 (2006) K080238 · Masimo Rainbow Set Radical 7 Pulse CO-Oximeter, Masimo Rainbow Set Rad 87 Pulse CO-Oximeter · Masimo Corporation · 2008 · recalledK101123 · Nexfin Model 2 · Bmeye B.V. · 2010K122381 · Nexfin Model 2 · Edwards Lifesciences, LLC · 2013K140312 · EV1000 Clinical Platform with Clearsight TM Finger Cuff or Clearsight TM System · Edwards Lifesciences, LLC · 2014 · recalledK160552 · EV1000 Clinical Platform with ClearSight Finger Cuff or ClearSight System, EV1000 Clinical Platform · Edwards Lifesciences, LLC · 2016 · Class I recall19801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 4 other ancestors3 generations back: 4 other ancestors4 generations back: 7 other ancestors5 generations back: 4 other ancestors6 generations back: 3 other ancestors7 generations back: 3 other ancestors 1 generation forward: 1 descendant K160552 · EV1000 Clinical Platform with ClearSight Finger Cuff or ClearSight System, EV1000 Clinical Platform · Edwards Lifesciences, LLC · 2016 · Class I recallK140312 · EV1000 Clinical Platform with Clearsight TM Finger Cuff or Clearsight TM System · Edwards Lifesciences, LLC · 2014 · recalledK122381 · Nexfin Model 2 · Edwards Lifesciences, LLC · 2013K101123 · Nexfin Model 2 · Bmeye B.V. · 2010K080238 · Masimo Rainbow Set Radical 7 Pulse CO-Oximeter, Masimo Rainbow Set Rad 87 Pulse CO-Oximeter · Masimo Corporation · 2008 · recalledK061204 · Masimo Set Radical 7 Pulse CO-Oximeter · Masimo Corporation · 2006K053477 · Masimo Set Rad 57 CM and M Pulse CO-Oximeters · Masimo Corporation · 2006K042536 · Masimo Set Rad 57 Pulse CO-Oximeter · Masimo Corporation · 2005 · recalledK033296 · Masimo Set Rad-5 Pulse Oximeter, Model Rad-5; Masimo Set Rad-5V Pulse Oximeter, Model Rad-5V · Masimo Corp. · 2004 · recalledK031330 · Modification to Masimo Set Radical Pulse Oximeter with Satshare and Lnop Series of Sensors and Cables · Masimo Corp. · 2003K000126 · Masimo Set Radical Pulse Oximeter with Satshare, Masimo Lnop-Adt-Adult/Pediatric Disposable Sensor, Masimo Lno-PDT-Pedia · Masimo Corp. · 2000−10−50
  1. Root · 11 generations backK000126 Masimo Set Radical Pulse Oximeter with Satshare, Masimo…Masimo Corp. · 2000
  2. 7 generations between
  3. 3 generations backK122381 Nexfin Model 2Edwards Lifesciences, LLC · 2013
  4. 2 generations backK140312 EV1000 Clinical Platform with Clearsight TM Finger Cuff or…Edwards Lifesciences, LLC · 2014 · Recalled
  5. 1 generation backK160552 EV1000 Clinical Platform with ClearSight Finger Cuff or ClearSight…Edwards Lifesciences, LLC · 2016 · Recalled (Class I)
  6. This deviceK183521 CNAP MonitorCnsystems Medizintechnik GmbH · 2019
  7. Descendant · cites it directly · 0 of its ownK223332 Task Force CORECnsystems Medizintechnik GmbH · 2023
Show all 11 generations
  1. Root · 11 generations backK000126 Masimo Set Radical Pulse Oximeter with Satshare, Masimo…Masimo Corp. · 2000
  2. 10 generations backK031330 Modification to Masimo Set Radical Pulse Oximeter with Satshare and…Masimo Corp. · 2003
  3. 9 generations backK033296 Masimo Set Rad-5 Pulse Oximeter, Model Rad-5; Masimo Set Rad-5V…Masimo Corp. · 2004 · Recalled
  4. 8 generations backK042536 Masimo Set Rad 57 Pulse CO-OximeterMasimo Corporation · 2005 · Recalled
  5. 7 generations backK053477 Masimo Set Rad 57 CM and M Pulse CO-OximetersMasimo Corporation · 2006
  6. 6 generations backK061204 Masimo Set Radical 7 Pulse CO-OximeterMasimo Corporation · 2006
  7. 5 generations backK080238 Masimo Rainbow Set Radical 7 Pulse CO-Oximeter, Masimo Rainbow Set…Masimo Corporation · 2008 · Recalled
  8. 4 generations backK101123 Nexfin Model 2Bmeye B.V. · 2010
  9. 3 generations backK122381 Nexfin Model 2Edwards Lifesciences, LLC · 2013
  10. 2 generations backK140312 EV1000 Clinical Platform with Clearsight TM Finger Cuff or…Edwards Lifesciences, LLC · 2014 · Recalled
  11. 1 generation backK160552 EV1000 Clinical Platform with ClearSight Finger Cuff or ClearSight…Edwards Lifesciences, LLC · 2016 · Recalled (Class I)
  12. This deviceK183521 CNAP MonitorCnsystems Medizintechnik GmbH · 2019

Class I recalls in this family

Most influential descendants

Showing 1 of 1 · See all
  • K223332Task Force CORECnsystems Medizintechnik GmbH · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K000126Masimo Set Radical Pulse Oximeter with Satshare, Masimo…Masimo Corp.2000—
−10K031330Modification to Masimo Set Radical Pulse Oximeter with Satshare and Lnop…Masimo Corp.2003—
−9K033296Masimo Set Rad-5 Pulse Oximeter, Model Rad-5; Masimo Set Rad-5V Pulse…Masimo Corp.20041
−8K042536Masimo Set Rad 57 Pulse CO-OximeterMasimo Corporation20051
−7K053477Masimo Set Rad 57 CM and M Pulse CO-OximetersMasimo Corporation2006—
−6K061204Masimo Set Radical 7 Pulse CO-OximeterMasimo Corporation2006—
−5K080238Masimo Rainbow Set Radical 7 Pulse CO-Oximeter, Masimo Rainbow Set Rad 87…Masimo Corporation20081
−4K101123Nexfin Model 2Bmeye B.V.2010—
−3K122381Nexfin Model 2Edwards Lifesciences, LLC2013—
−2K140312EV1000 Clinical Platform with Clearsight TM Finger Cuff or Clearsight TM SystemEdwards Lifesciences, LLC20141
−1K160552EV1000 Clinical Platform with ClearSight Finger Cuff or ClearSight System…Edwards Lifesciences, LLC2016Class I
0 (this device)K183521CNAP MonitorCnsystems Medizintechnik GmbH2019—
+1K223332Task Force CORECnsystems Medizintechnik GmbH2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198210
198510
198810
199510
199620
199710
199820
199920
200010
200110
200210
200320
200410
200610
200720
200820
201010
201110
201210
201410
201810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
FIG. 1 — Lineage of K183521, 2000–2023Source: 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.

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 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*K082599Non-Invasive Continuous Blood Pressure Monitoring System Cnap Monitor 500I, 500AT
Summary page 5
…® 510(k) Submission CNAP Monitor 500 HD 5.2 Device information 5.2.1 Primary Predicate Device - CNAP® Monitor 500i, 500at Clearance number: K082599 Manufacturer: CNSystems Medizintechnik AG Reininghausstrasse 13, A-8020 Graz, Austria This predic…
Cnsystem Medizintechnik AG2008—
*K160552EV1000 Clinical Platform with ClearSight Finger Cuff or ClearSight System, EV1000…
Summary page 5
…cate Device - EV1000 Clinical Platform Non-Invasive (NI) and ClearSight Finger Cuffs or ClearSight System, EV1000 Clinical Platform Clearance number: K160552 Manufacturer: Edwards Lifesciences, LLC One Edwards Way, Irvine, California 92614 This predicat…
Edwards Lifesciences, LLC2016Class I
*K172259PulsioFlex Monitoring System
Summary page 5
…d cause and hazard and found to be not affected. See Section 10 and 11 for Details. 5.2.3 Third Predicate Device – PulsioFlex Monitoring System Clearance number: K172259 Manufacturer: PULSION Medical Systems SE; Maquet Cardiovascular 45 Barbour…
Pulsion Medical Systems SE20181

Also cleared against K082599: 2 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K223332Task Force CORECnsystems Medizintechnik GmbH20230

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.

  • K160552EV1000 Clinical Platform with ClearSight Finger Cuff or ClearSight System, EV1000 Clinical PlatformEdwards Lifesciences, LLC · 2016 · Direct predicate · ◆ on the line of descent in FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 19 years and passes through 5 companies; a new generation was cleared every 1.8 years on median.
  • 8 of the 38 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K223332 (Cnsystems Medizintechnik GmbH, 2023) has gone furthest, with 0 descendants of its own.
  • 2 other devices also cite its predicate K082599.

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. 2019, this device’s year, is highlighted.

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 CNAP® Monitor 500 HD is intended for the non-invasive continuous monitoring of blood pressure, pulse rate, and the determination of associated derived hemodynamic parameters including cardiac output within hospitals.

The device displays the blood pressure waveform, trends, and numeric for blood pressure, pulse rate, and associated derived hemodynamic parameters. Alarms are generated for blood pressure parameters and pulse rate.

The CNAP® Monitor 500 HD is to be used for adults and is to be operated by healthcare professionals.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K183521: CNAP Monitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K183521

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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