510(k) Report

510(k) · Cleared

Cleared

Propaq Monitors, Modification

K921497510(k) TraditionalCleared Mar 23, 1993377-day reviewClass II21 CFR 868.1400

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

Protocol Systems, Inc. · CCK Analyzer, Gas, Carbon-Dioxide, Gaseous-Phase

Cleared on Mar 23, 1993 after a 377-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 17 later devices descend from it.

Decided
Mar 23, 1993
Review
377 days
Class
Class II
Product code
CCK
Recalls
None
Predicates
0

17 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2010: 1 descendant cleared2013: 1 descendant cleared2011: 1 descendant cleared2015: 1 descendant cleared2014: 3 descendants cleared2017: 2 descendants cleared2016: 1 descendant cleared2018: 1 descendant cleared2020: 2 descendants cleared2022: 1 descendant cleared2025: 2 descendants cleared2024: 1 descendant cleared1990200020102020
  1. This deviceK921497 Propaq Monitors, ModificationProtocol Systems, Inc. · 1993
  2. Descendant · cites it directly · 16 of its ownK101264 Tempus IC Professional Patient MonitorRemote Diagnostic Technologies, Ltd. · 2010 · Recalled
  3. Descendant · 2 generations on · 8 of its ownK113105 Tempusic Patient MonitorRemote Diagnostic Technologies, Ltd. · 2011
  4. Descendant · 3 generations on · 7 of its ownK152124 Tempus IC2Remote Diagnostics Technologies, Ltd. · 2015
  5. Descendant · 4 generations on · 6 of its ownK152645 Dictum HealthDictum Health, Inc. · 2016
  6. Descendant · 2 generations on · 6 of its ownK130773 Tempus Pro Patient MonitorRemote Diagnostic Technologies, Ltd. · 2013 · Recalled

Showing 5 of 17 descendants. See all descendants

Descendants cleared per year

2010: 12011: 12013: 12014: 32015: 12016: 12017: 22018: 12020: 22022: 12024: 12025: 2
2010high 3 (2014) · low 0 (2012)2026

Most influential descendants

Showing 5 of 17 · See all
  • K101264Tempus IC Professional Patient MonitorRemote Diagnostic Technologies, Ltd. · 2010 · cites it directly16descendants
  • K113105Tempusic Patient MonitorRemote Diagnostic Technologies, Ltd. · 2011 · 2 generations on8descendants
  • K152124Tempus IC2Remote Diagnostics Technologies, Ltd. · 2015 · 3 generations on7descendants
  • K152645Dictum HealthDictum Health, Inc. · 2016 · 4 generations on6descendants
  • K130773Tempus Pro Patient MonitorRemote Diagnostic Technologies, Ltd. · 2013 · 2 generations on6descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K921497Propaq Monitors, ModificationProtocol Systems, Inc.1993—
+1K101264Tempus IC Professional Patient MonitorRemote Diagnostic Technologies, Ltd.20101
+2K113105Tempusic Patient MonitorRemote Diagnostic Technologies, Ltd.2011—
+3K152124Tempus IC2Remote Diagnostics Technologies, Ltd.2015—
+4K152645Dictum HealthDictum Health, Inc.2016—
+2K130773Tempus Pro Patient MonitorRemote Diagnostic Technologies, Ltd.20131

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201010
201110
201310
201430
201510
201610
201720
201810
202020
202210
202410
202520
FIG. 1 — Lineage of K921497, 1993–2025Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in CCK? 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 CCK device

  1. #1 K253030 Capnostream™35 Portable Respiratory Monitor…score 15.8 · 16 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (17)

See all 17

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

NumberDeviceApplicantDecidedDescendants
K101264Tempus IC Professional Patient MonitorRemote Diagnostic Technologies, Ltd.201016

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?

  • Of its descendants, K101264 (Remote Diagnostic Technologies, Ltd., 2010) has gone furthest, with 16 descendants of its own.

How does its category compare?

All CCK devices

CCK Analyzer, Gas, Carbon-Dioxide, Gaseous-Phase: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CCK

3in 2025

2007: 52008: 32009: 32010: 32011: 22012: 72013: 42014: 92015: 52016: 22017: 52018: 62019: 72020: 42021: 42022: 32023: 42024: 32025: 32026 (partial year): 3
2007high 9 (2014) · low 2 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CCK

169in 2025

2007: 56 days median2008: 248 days median2009: 101 days median2010: 125 days median2012: 150 days median2013: 132 days median2014: 166 days median2015: 105 days median2017: 134 days median2018: 296 days median2019: 261 days median2020: 188 days median2021: 227 days median2022: 226 days median2023: 555 days median2024: 592 days median2025: 169 days median2026 (partial year): 224 days median
2007high 592 (2024) · low 56 (2007)2026

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

Recalls per year · CCK

1in 2022

2008: 12009: 192010: 42011: 142012: 32013: 2, 1 Class I2015: 12018: 52019: 7, 7 Class I2020: 12022: 1
2007high 19 (2009) · low 0 (2007)2026

Class I (8 since 2007) Class II/III not classified

Adverse event reports per year · CCK

1,259in 2025

2007: 72008: 202009: 212010: 122011: 182012: 132013: 282014: 512015: 1142016: 882017: 582018: 632019: 1412020: 2,3022021: 2,2722022: 2,4752023: 1,6372024: 1,2162025: 1,259
2007high 2,475 (2022) · low 7 (2007)2025

MAUDE reports naming product code CCK, 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
200755607
20083248120
200931011921
20103125412
20112—1418
20127150313
201341322 (1)28
20149166051
201551051114
20162—088
20175134058
20186296563
201972617 (7)141
2020418812,302
2021422702,272
2022322612,475
2023455501,637
2024359201,216
2025316901,259
202632240—
Cite this page

510(k) Report. “K921497: Propaq Monitors, Modification.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K921497

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026