510(k) · Cleared
ClearedClinical Vital Signs Monitor, Model #52STP-E1
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Tycos Instruments, Inc. · DXN System, Measurement, Blood-Pressure, Non-Invasive
Cleared on Mar 13, 1996 after a 363-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 2 of the 422 devices in its family, counting itself, have a Class I recall. 421 later devices descend from it.
- Decided
- Mar 13, 1996
- Review
- 363 days
- Class
- Class II
- Product code
- DXN
- Recalls
- None
- Predicates
- 0
421 later devices descend from it, 6 citing it directly. 2 of the 422 devices in this family, counting this one, have a Class I recall.
- This deviceK951193 Clinical Vital Signs Monitor, Model #52STP-E1Tycos Instruments, Inc. · 1996
- Descendant · cites it directly · 290 of its ownK031740 VSM - Vital Signs Monitor, Model 53000 SeriesWelch Allyn Protocol, Inc. · 2003
- Descendant · cites it directly · 267 of its ownK984033 Atlas MonitorWelch Allyn, Inc. · 1999
- Descendant · 2 generations on · 264 of its ownK022084 Atlas Monitor, Models 200,210,220Welch Allyn, Inc. · 2002
- Descendant · 3 generations on · 250 of its ownK060065 CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One…Oridion Capnography, Inc. · 2006 · Recalled
- Descendant · 4 generations on · 197 of its ownK072295 Capnostream 20 with A2 Adaptive Averaging SoftwareOridion Capnography, Inc. · 2007
Showing 5 of 421 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
Most influential descendants
Showing 5 of 421 · See all- K031740VSM - Vital Signs Monitor, Model 53000 SeriesWelch Allyn Protocol, Inc. · 2003 · cites it directly290descendants
- K984033Atlas MonitorWelch Allyn, Inc. · 1999 · cites it directly267descendants
- K022084Atlas Monitor, Models 200,210,220Welch Allyn, Inc. · 2002 · 2 generations on264descendants
- K060065CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One Parameter Bedside MonitorOridion Capnography, Inc. · 2006 · 3 generations on250descendants
- K072295Capnostream 20 with A2 Adaptive Averaging SoftwareOridion Capnography, Inc. · 2007 · 4 generations on197descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K951193 | Clinical Vital Signs Monitor, Model #52STP-E1 | Tycos Instruments, Inc. | 1996 | — |
| +1 | K031740 | VSM - Vital Signs Monitor, Model 53000 Series | Welch Allyn Protocol, Inc. | 2003 | — |
| +1 | K984033 | Atlas Monitor | Welch Allyn, Inc. | 1999 | — |
| +2 | K022084 | Atlas Monitor, Models 200,210,220 | Welch Allyn, Inc. | 2002 | — |
| +3 | K060065 | CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One Parameter… | Oridion Capnography, Inc. | 2006 | 3 |
| +4 | K072295 | Capnostream 20 with A2 Adaptive Averaging Software | Oridion Capnography, Inc. | 2007 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1999 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 3 | 0 |
| 2004 | 2 | 0 |
| 2005 | 3 | 0 |
| 2006 | 6 | 0 |
| 2007 | 6 | 0 |
| 2008 | 6 | 0 |
| 2009 | 12 | 0 |
| 2010 | 19 | 0 |
| 2011 | 16 | 0 |
| 2012 | 22 | 0 |
| 2013 | 22 | 0 |
| 2014 | 24 | 2 |
| 2015 | 26 | 0 |
| 2016 | 23 | 0 |
| 2017 | 23 | 0 |
| 2018 | 25 | 0 |
| 2019 | 21 | 0 |
| 2020 | 19 | 0 |
| 2021 | 14 | 0 |
| 2022 | 29 | 0 |
| 2023 | 22 | 0 |
| 2024 | 25 | 0 |
| 2025 | 28 | 0 |
| 2026 | 21 | 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.
2 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 DXN device
- #1 K222125 Arm Blood Pressure Monitor, models AOJ-30A…score 18.5 · 8 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? (421)
See all 4216 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K031740 | VSM - Vital Signs Monitor, Model 53000 Series | 2003 | 290 |
| K984033 | Atlas Monitor | 1999 | 267 |
| K024005 | Welch Allyn Vital Sign Monitor with MP506 | 2003 | 102 |
| K014255 | Dinamap Procare Series Monitor; Model 100, 200, 300, 400 | 2002 | 22 |
| K060194 | March Healthcare Health Monitoring Kit | 2006 | 5 |
| K023078 | Bptru Vital Signs Monitor, Model BPM-300, & Bptru Portable Automated Non-Invasive Blood… | 2003 | 0 |
Has anything in its family been recalled? (2 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.
What does this lineage say?
- Of its descendants, K031740 (Welch Allyn Protocol, Inc., 2003) has gone furthest, with 290 descendants of its own.
How does its category compare?
All DXN devicesDXN System, Measurement, Blood-Pressure, Non-Invasive: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DXN
28in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DXN
142in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DXN
3in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DXN
239in 2025
MAUDE reports naming product code DXN, 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 | 27 | 118 | 0 | 21 |
| 2008 | 23 | 82 | 1 | 8 |
| 2009 | 46 | 73 | 3 | 17 |
| 2010 | 43 | 94 | 0 | 14 |
| 2011 | 34 | 72 | 1 | 10 |
| 2012 | 36 | 116 | 0 | 19 |
| 2013 | 34 | 150 | 1 | 72 |
| 2014 | 29 | 133 | 0 | 47 |
| 2015 | 30 | 97 | 0 | 62 |
| 2016 | 30 | 144 | 1 | 54 |
| 2017 | 33 | 184 | 0 | 90 |
| 2018 | 22 | 235 | 0 | 617 |
| 2019 | 33 | 156 | 1 | 96 |
| 2020 | 24 | 198 | 0 | 130 |
| 2021 | 23 | 190 | 0 | 162 |
| 2022 | 25 | 137 | 0 | 155 |
| 2023 | 35 | 182 | 0 | 162 |
| 2024 | 17 | 107 | 3 | 270 |
| 2025 | 28 | 142 | 0 | 239 |
| 2026 | 29 | 147 | 0 | — |
https://510kreport.com/device/K951193 · printed Nov 6, 2026
Cite this page
510(k) Report. “K951193: Clinical Vital Signs Monitor, Model #52STP-E1.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K951193
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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