510(k) Report

510(k) · Cleared

Cleared

Propaq 200 Monitor

K945071510(k) TraditionalCleared May 10, 1995208-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

Protocol Systems, Inc. · DRT Monitor, Cardiac (Incl. Cardiotachometer & Rate Alarm)

Cleared on May 10, 1995 after a 208-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 1 of the 282 devices in its family, counting itself, has a Class I recall. 281 later devices descend from it.

Decided
May 10, 1995
Review
208 days
Class
Class II
Product code
DRT
Recalls
None
Predicates
0

281 later devices descend from it, 1 citing it directly. 1 of the 282 devices in this family, counting this one, has a Class I recall.

Descendants, by year cleared 2001: 1 descendant cleared2009: 7 descendants cleared2016: 10 descendants cleared2006: 4 descendants cleared2017: 15 descendants cleared2013: 9 descendants cleared2012: 12 descendants cleared2010: 8 descendants cleared, 1 with a Class I recall12003: 1 descendant cleared2004: 1 descendant cleared2008: 6 descendants cleared2005: 2 descendants cleared2011: 11 descendants cleared2014: 17 descendants cleared2015: 15 descendants cleared2007: 2 descendants cleared2020: 20 descendants cleared2019: 19 descendants cleared2022: 19 descendants cleared2018: 15 descendants cleared2025: 25 descendants cleared2021: 8 descendants cleared2023: 20 descendants cleared2024: 21 descendants cleared2026: 13 descendants cleared1995200020052010201520202025
  1. This deviceK945071 Propaq 200 MonitorProtocol Systems, Inc. · 1995
  2. Descendant · cites it directly · 280 of its ownK012451 Propaq Encore Models 202, 204, 206; Propaq CS Models 242, 244, 246Welch Allyn Protocol, Inc. · 2001
  3. Descendant · 2 generations on · 114 of its ownK032363 Zoll M Series Nibp OptionZoll Medical Corp · 2003
  4. Descendant · 2 generations on · 108 of its ownK033378 Vital Signs Monitor, Propaq LTWelch Allyn Protocol, Inc. · 2004 · Recalled
  5. Descendant · 2 generations on · 99 of its ownK061993 Equivital, Model EQ-01Hidalgo Limited · 2006
  6. Descendant · 2 generations on · 71 of its ownK113054 EquivitalHidalgo Limited · 2012

Showing 5 of 281 descendants. See all descendants

Descendants cleared per year

2001: 12003: 12004: 12005: 22006: 42007: 22008: 62009: 72010: 82011: 112012: 122013: 92014: 172015: 152016: 102017: 152018: 152019: 192020: 202021: 82022: 192023: 202024: 212025: 252026: 13
2001high 25 (2025) · low 0 (2002)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 281 · See all
  • K012451Propaq Encore Models 202, 204, 206; Propaq CS Models 242, 244, 246Welch Allyn Protocol, Inc. · 2001 · cites it directly280descendants
  • K032363Zoll M Series Nibp OptionZoll Medical Corp · 2003 · 2 generations on114descendants
  • K033378Vital Signs Monitor, Propaq LTWelch Allyn Protocol, Inc. · 2004 · 2 generations on108descendants
  • K061993Equivital, Model EQ-01Hidalgo Limited · 2006 · 2 generations on99descendants
  • K113054EquivitalHidalgo Limited · 2012 · 2 generations on71descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K945071Propaq 200 MonitorProtocol Systems, Inc.1995—
+1K012451Propaq Encore Models 202, 204, 206; Propaq CS Models 242, 244, 246Welch Allyn Protocol, Inc.2001—
+2K032363Zoll M Series Nibp OptionZoll Medical Corp2003—
+2K033378Vital Signs Monitor, Propaq LTWelch Allyn Protocol, Inc.20043
+2K061993Equivital, Model EQ-01Hidalgo Limited2006—
+2K113054EquivitalHidalgo Limited2012—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200110
200310
200410
200520
200640
200720
200860
200970
201081
2011110
2012120
201390
2014170
2015150
2016100
2017150
2018150
2019190
2020200
202180
2022190
2023200
2024210
2025250
2026130
FIG. 1 — Lineage of K945071, 1995–2026Source: 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), 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 DRT device

  1. #1 K252676 The Circadia C300 System (C300)score 15.3 · 6 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?

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

What descends from it? (281)

See all 281

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

NumberDeviceApplicantDecidedDescendants
K012451Propaq Encore Models 202, 204, 206; Propaq CS Models 242, 244, 246Welch Allyn Protocol, Inc.2001280

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.

  • K093261MOVESThornhill Research, Inc. · 2010 · 2 generations on · ◆ in the 2010 descendants bar of FIG. 12 Class I recalls

What does this lineage say?

  • Of its descendants, K012451 (Welch Allyn Protocol, Inc., 2001) has gone furthest, with 280 descendants of its own.

How does its category compare?

All DRT devices

DRT Monitor, Cardiac (Incl. Cardiotachometer & Rate Alarm): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DRT

1in 2025

2007: 12008: 12009: 62010: 32011: 32012: 12013: 12015: 12016: 12017: 12018: 12019: 12021: 22022: 12023: 12024: 32025: 12026 (partial year): 5
2007high 6 (2009) · low 0 (2014)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DRT

228in 2024

2009: 70 days median2010: 44 days median2011: 149 days median2024: 228 days median2026 (partial year): 120 days median
2007high 228 (2024) · low 44 (2010)2026

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

Recalls per year · DRT

1in 2024

2011: 12021: 12024: 1
2007high 1 (2011) · low 0 (2007)2026

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

Adverse event reports per year · DRT

40in 2025

2007: 1132008: 992009: 1182010: 632011: 362012: 472013: 162014: 262015: 482016: 552017: 1592018: 2242019: 4472020: 502021: 852022: 352023: 472024: 292025: 40
2007high 447 (2019) · low 16 (2013)2025

MAUDE reports naming product code DRT, 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
20071—0113
20081—099
20096700118
2010344063
20113149136
20121—047
20131—016
20140—026
20151—048
20161—055
20171—0159
20181—0224
20191—0447
20200—050
20212—185
20221—035
20231—047
20243228129
20251—040
202651200—
Cite this page

510(k) Report. “K945071: Propaq 200 Monitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K945071

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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