510(k) Report

510(k) · Cleared

Cleared

Tosca 500 PCO2, SPO2 and Pulse Rate Monitoring System, Model 5202009

K043357510(k) TraditionalCleared Mar 4, 200588-day reviewClass II21 CFR 868.2480

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

Linde Medical Sensors AG · LKD Monitor, Carbon-Dioxide, Cutaneous

Cleared on Mar 4, 2005 as substantially equivalent to K032291 (Linde Medical Sensors AG, 2004) after an 88-day review. Its family tree reaches back 2 generations to 1989. 92 later devices descend from it.

Decided
Mar 4, 2005
Review
88 days
Class
Class II
Product code
LKD
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K890299 (1989). 3 ancestors in all. 92 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2001: 1 other ancestor2007: 2 descendants cleared2010: 2 descendants cleared2024: 8 descendants cleared2015: 4 descendants cleared2011: 1 descendant cleared2017: 6 descendants cleared2012: 3 descendants cleared2014: 3 descendants cleared2013: 5 descendants cleared2016: 2 descendants cleared2023: 10 descendants cleared2020: 5 descendants cleared2022: 7 descendants cleared2018: 7 descendants cleared2019: 6 descendants cleared2021: 3 descendants cleared2025: 12 descendants cleared2026: 6 descendants clearedK890299 · Kontron Pulse Oximeter 7840 · Kontron Instruments, Inc. · 1989K032291 · Tosca PCO2, SPO2 and Pulse Rate Monitoring System · Linde Medical Sensors AG · 20041990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 3 descendants3 generations forward: 4 descendants4 generations forward: 8 descendants5 generations forward: 7 descendants6 generations forward: 18 descendants7 generations forward: 13 descendants8 generations forward: 12 descendants9 generations forward: 7 descendants10 generations forward: 8 descendants11 generations forward: 5 descendants12 generations forward: 6 descendants K032291 · Tosca PCO2, SPO2 and Pulse Rate Monitoring System · Linde Medical Sensors AG · 2004K890299 · Kontron Pulse Oximeter 7840 · Kontron Instruments, Inc. · 19890+5+10
  1. Root · 2 generations backK890299 Kontron Pulse Oximeter 7840Kontron Instruments, Inc. · 1989
  2. 1 generation backK032291 Tosca PCO2, SPO2 and Pulse Rate Monitoring SystemLinde Medical Sensors AG · 2004
  3. This deviceK043357 Tosca 500 PCO2, SPO2 and Pulse Rate Monitoring System, Model 5202009Linde Medical Sensors AG · 2005
  4. Descendant · cites it directly · 91 of its ownK063434 Tosca 500 TCPCO2, SPO2 and Pulse Rate Monitoring SystemRadiometer Basel AG · 2007
  5. Descendant · 2 generations on · 87 of its ownK093154 TCM Tosca Monitoring System, TCM Combim Monitoring SystemRadiometer Medical Aps · 2010 · Recalled
  6. Descendant · 3 generations on · 84 of its ownK110474 Philips Intellivue TCG10Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2011 · Recalled
  7. Descendant · 4 generations on · 78 of its ownK113441 Physiological Monitor, Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2012 · Recalled
  8. Descendant · 4 generations on · 46 of its ownK120366 Intellivue Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2012

Showing 5 of 92 descendants. See all descendants

Descendants cleared per year

2007: 22010: 22011: 12012: 32013: 52014: 32015: 42016: 22017: 62018: 72019: 62020: 52021: 32022: 72023: 102024: 82025: 122026: 6
2007high 12 (2025) · low 0 (2008)2026

Most influential descendants

Showing 5 of 92 · See all
  • K063434Tosca 500 TCPCO2, SPO2 and Pulse Rate Monitoring SystemRadiometer Basel AG · 2007 · cites it directly91descendants
  • K093154TCM Tosca Monitoring System, TCM Combim Monitoring SystemRadiometer Medical Aps · 2010 · 2 generations on87descendants
  • K110474Philips Intellivue TCG10Philips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2011 · 3 generations on84descendants
  • K113441Physiological Monitor, Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2012 · 4 generations on78descendants
  • K120366Intellivue Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN · 2012 · 4 generations on46descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K890299Kontron Pulse Oximeter 7840Kontron Instruments, Inc.1989—
−1K032291Tosca PCO2, SPO2 and Pulse Rate Monitoring SystemLinde Medical Sensors AG2004—
0 (this device)K043357Tosca 500 PCO2, SPO2 and Pulse Rate Monitoring System, Model 5202009Linde Medical Sensors AG2005—
+1K063434Tosca 500 TCPCO2, SPO2 and Pulse Rate Monitoring SystemRadiometer Basel AG2007—
+2K093154TCM Tosca Monitoring System, TCM Combim Monitoring SystemRadiometer Medical Aps20103
+3K110474Philips Intellivue TCG10Philips Medizinsysteme Boeblingen GmbH, Cardiac AN20111
+4K113441Physiological Monitor, Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN20121
+4K120366Intellivue Patient MonitorPhilips Medizinsysteme Boeblingen GmbH, Cardiac AN2012—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200720
201020
201110
201230
201350
201430
201540
201620
201760
201870
201960
202050
202130
202270
2023100
202480
2025120
202660
FIG. 1 — Lineage of K043357, 1989–2026Source: 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 LKD? 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 LKD device

  1. #1 K232516 Sentec Digital Monitoring System (SDMS) tCOM+score 10.1 · 10 generations · no Class I recall
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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
*K032291Tosca PCO2, SPO2 and Pulse Rate Monitoring System
Summary page 1
…ide Cutaneous (73LKD) / Oximeter (74DQA) Substantially Tosca PCO2 , SpO2 and Pulse Rate Monitoring System Equivalent Device: 510(k) Number: K032291 Description of the TOSCA 500 PCO 2, SpO 2 and Pulse Rate Monitoring System The Linde TOSCA 500 Monitoring System is designed for…
Linde Medical Sensors AG2004—

What descends from it? (92)

See all 92

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

NumberDeviceApplicantDecidedDescendants
K063434Tosca 500 TCPCO2, SPO2 and Pulse Rate Monitoring SystemRadiometer Basel AG200791

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 16 years and passes through 2 companies; a new generation was cleared every 15.5 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K063434 (Radiometer Basel AG, 2007) has gone furthest, with 91 descendants of its own.

How does its category compare?

All LKD devices

LKD Monitor, Carbon-Dioxide, Cutaneous: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LKD

1in 2024

2010: 22011: 12013: 12015: 12024: 1
2007high 2 (2010) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LKD

Too few LKD 510(k)s in any year since 2007 to give a median.

Recalls per year · LKD

1in 2022

2009: 42011: 12012: 22014: 12016: 12022: 1
2007high 4 (2009) · low 0 (2007)2026

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

Adverse event reports per year · LKD

3in 2025

2010: 82012: 42013: 12014: 212015: 202016: 42019: 32020: 62021: 22023: 12024: 12025: 3
2007high 21 (2014) · low 0 (2007)2025

MAUDE reports naming product code LKD, 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
20070—00
20080—00
20090—40
20102—08
20111—10
20120—24
20131—01
20140—121
20151—020
20160—14
20170—00
20180—00
20190—03
20200—06
20210—02
20220—10
20230—01
20241—01
20250—03
20260—0—

What is it indicated for?

The Linde TOSCA 500 Monitoring System is designed for the simultaneous continuous monitoring of transcutaneous PCO 2, functional oxygen saturation SpO 2 and Pulse Rate in adults and pediatrics.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K043357: Tosca 500 PCO2, SPO2 and Pulse Rate Monitoring System, Model 5202009.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K043357

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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