510(k) · Cleared
ClearedPropaq 102,104,106,102EL,104EL,&106EL
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Protocol Systems, Inc. · MHX Monitor, Physiological, Patient (With Arrhythmia Detection Or Alarms)
Cleared on Jan 10, 1992 after a 77-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 3 of the 449 devices in its family, counting itself, have a Class I recall. 448 later devices descend from it.
- Decided
- Jan 10, 1992
- Review
- 77 days
- Class
- Class II
- Product code
- MHX
- Recalls
- None
- Predicates
- 0
448 later devices descend from it, 3 citing it directly. 3 of the 449 devices in this family, counting this one, have a Class I recall.
- This deviceK914838 Propaq 102,104,106,102EL,104EL,&106ELProtocol Systems, Inc. · 1992
- Descendant · cites it directly · 427 of its ownK972020 Oscillomate Non-Invasive Blood Pressure MonitorCas Medical Systems, Inc. · 1998
- Descendant · 2 generations on · 426 of its ownK980879 Oscillomate Nibp / SP02 Ems MonitorCas Medical Systems, Inc. · 1998
- Descendant · 3 generations on · 425 of its ownK982776 9303 Neonatal/Adult Vital Signs MonitorCas Medical Systems, Inc. · 1998
- Descendant · 3 generations on · 272 of its ownK033048 Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS…Cas Medical Systems, Inc. · 2004 · Recalled
- Descendant · 4 generations on · 264 of its ownK050844 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL…Cas Medical Systems, Inc. · 2005
Showing 5 of 448 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
Most influential descendants
Showing 5 of 448 · See all- K972020Oscillomate Non-Invasive Blood Pressure MonitorCas Medical Systems, Inc. · 1998 · cites it directly427descendants
- K980879Oscillomate Nibp / SP02 Ems MonitorCas Medical Systems, Inc. · 1998 · 2 generations on426descendants
- K9827769303 Neonatal/Adult Vital Signs MonitorCas Medical Systems, Inc. · 1998 · 3 generations on425descendants
- K033048Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL, 740M-2NL…Cas Medical Systems, Inc. · 2004 · 3 generations on272descendants
- K050844750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL, 750C-3MS…Cas Medical Systems, Inc. · 2005 · 4 generations on264descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K914838 | Propaq 102,104,106,102EL,104EL,&106EL | Protocol Systems, Inc. | 1992 | — |
| +1 | K972020 | Oscillomate Non-Invasive Blood Pressure Monitor | Cas Medical Systems, Inc. | 1998 | — |
| +2 | K980879 | Oscillomate Nibp / SP02 Ems Monitor | Cas Medical Systems, Inc. | 1998 | — |
| +3 | K982776 | 9303 Neonatal/Adult Vital Signs Monitor | Cas Medical Systems, Inc. | 1998 | — |
| +3 | K033048 | Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL… | Cas Medical Systems, Inc. | 2004 | 1 |
| +4 | K050844 | 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL… | Cas Medical Systems, Inc. | 2005 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 0 |
| 2004 | 8 | 0 |
| 2005 | 5 | 0 |
| 2006 | 6 | 0 |
| 2007 | 8 | 0 |
| 2008 | 6 | 0 |
| 2009 | 15 | 0 |
| 2010 | 14 | 0 |
| 2011 | 17 | 0 |
| 2012 | 26 | 0 |
| 2013 | 31 | 1 |
| 2014 | 26 | 2 |
| 2015 | 20 | 0 |
| 2016 | 19 | 0 |
| 2017 | 24 | 0 |
| 2018 | 23 | 0 |
| 2019 | 25 | 0 |
| 2020 | 25 | 0 |
| 2021 | 14 | 0 |
| 2022 | 29 | 0 |
| 2023 | 23 | 0 |
| 2024 | 26 | 0 |
| 2025 | 32 | 0 |
| 2026 | 18 | 0 |
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.
3 devices in this family have 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 MHX device
- #1 K251702 IntelliVue Patient Monitor MX750; IntelliVue…score 23.0 · 40 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.
What descends from it? (448)
See all 4483 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (3 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.
- K130454Lifepak 20 Defibrillator/Monitor, Lifepak 20E Defibrillator/MonitorPhysio-Control, Inc. · 2013 · 3 generations on · ◆ in the 2013 descendants bar of FIG. 11 Class I recall
- K142430LIFEPAK 15 monitor/defibrillatorPhysio-Control, Inc. · 2014 · 3 generations on · ◆ in the 2014 descendants bar of FIG. 13 Class I recalls
- K123690CAPNOSTREAM20P with Hifi C02 MonitoringOridion Medical 1987, Ltd. · 2014 · 11 generations on · ◆ in the 2014 descendants bar of FIG. 11 Class I recall
What does this lineage say?
- Of its descendants, K972020 (Cas Medical Systems, Inc., 1998) has gone furthest, with 427 descendants of its own.
How does its category compare?
All MHX devicesMHX Monitor, Physiological, Patient (With Arrhythmia Detection Or Alarms): FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · MHX
8in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · MHX
192in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MHX
21so far in 2026, the most since 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · MHX
3,761in 2025
MAUDE reports naming product code MHX, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 15 | 96 | 3 | 131 |
| 2008 | 16 | 58 | 2 | 232 |
| 2009 | 13 | 57 | 7 | 382 |
| 2010 | 20 | 90 | 13 | 955 |
| 2011 | 12 | 81 | 16 | 949 |
| 2012 | 16 | 88 | 11 | 676 |
| 2013 | 21 | 120 | 14 | 1,997 |
| 2014 | 13 | 248 | 6 | 1,609 |
| 2015 | 14 | 203 | 5 | 1,284 |
| 2016 | 13 | 149 | 7 | 1,105 |
| 2017 | 14 | 134 | 6 | 1,115 |
| 2018 | 11 | 203 | 12 | 2,157 |
| 2019 | 7 | 243 | 6 | 1,462 |
| 2020 | 11 | 196 | 0 | 1,714 |
| 2021 | 5 | 195 | 0 | 2,423 |
| 2022 | 15 | 189 | 6 | 1,470 |
| 2023 | 8 | 229 | 3 | 2,254 |
| 2024 | 5 | 181 | 3 | 2,814 |
| 2025 | 8 | 192 | 15 | 3,761 |
| 2026 | 14 | 205 | 21 | — |
https://510kreport.com/device/K914838 · printed Nov 6, 2026
Cite this page
510(k) Report. “K914838: Propaq 102,104,106,102EL,104EL,&106EL.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K914838
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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