510(k) · Cleared
Recalled · 2011Uni-Vent Model 73X
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Impact Instrumentation, Inc. · BTL Ventilator, Emergency, Powered (Resuscitator)
Cleared on Oct 28, 2005 after a 147-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 4 of the 17 devices in its family, counting itself, have a Class I recall. 16 later devices descend from it. It has been recalled once.
- Decided
- Oct 28, 2005
- Review
- 147 days
- Class
- Class II
- Product code
- BTL
- Recalls
- 1
- Predicates
- 0
16 later devices descend from it, 2 citing it directly. 4 of the 17 devices in this family, counting this one, have a Class I recall.
- This deviceK051476 Uni-Vent Model 73XImpact Instrumentation, Inc. · 2005
- Descendant · cites it directly · 7 of its ownK093261 MOVESThornhill Research, Inc. · 2010 · Recalled (Class I)
- Descendant · cites it directly · 7 of its ownK071526 Uni-Vent 731 Series Ventilators, Model 731, 731EMVImpact Instrumentation, Inc. · 2008 · Recalled
- Descendant · 2 generations on · 6 of its ownK091238 Uni-Vent-731 Series Ventilators, Model 731EMV+Impact Instrumentation, Inc. · 2009 · Recalled
- Descendant · 3 generations on · 5 of its ownK103318 Uni-Vent 731 Series Model Emv+ Portable Critical Care VentilatorImpact Instrumentation, Inc. · 2011 · Recalled
- Descendant · 2 generations on · 4 of its ownK141460 Finapres Nova Noninvasive Hemodynamic MonitorFinapres Medical Systems B.V. · 2015
Showing 5 of 16 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
Most influential descendants
Showing 5 of 16 · See all- K093261MOVESThornhill Research, Inc. · 2010 · cites it directly7descendants
- K071526Uni-Vent 731 Series Ventilators, Model 731, 731EMVImpact Instrumentation, Inc. · 2008 · cites it directly7descendants
- K091238Uni-Vent-731 Series Ventilators, Model 731EMV+Impact Instrumentation, Inc. · 2009 · 2 generations on6descendants
- K103318Uni-Vent 731 Series Model Emv+ Portable Critical Care VentilatorImpact Instrumentation, Inc. · 2011 · 3 generations on5descendants
- K141460Finapres Nova Noninvasive Hemodynamic MonitorFinapres Medical Systems B.V. · 2015 · 2 generations on4descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K051476 | Uni-Vent Model 73X | Impact Instrumentation, Inc. | 2005 | — |
| +1 | K093261 | MOVES | Thornhill Research, Inc. | 2010 | Class I |
| +1 | K071526 | Uni-Vent 731 Series Ventilators, Model 731, 731EMV | Impact Instrumentation, Inc. | 2008 | 1 |
| +2 | K091238 | Uni-Vent-731 Series Ventilators, Model 731EMV+ | Impact Instrumentation, Inc. | 2009 | 1 |
| +3 | K103318 | Uni-Vent 731 Series Model Emv+ Portable Critical Care Ventilator | Impact Instrumentation, Inc. | 2011 | 2 |
| +2 | K141460 | Finapres Nova Noninvasive Hemodynamic Monitor | Finapres Medical Systems B.V. | 2015 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 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.
4 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 BTL device
- #1 K242769 VentStar Resus heated (N) (MP17030); VentStar…score 11.2 · 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? (16)
See all 162 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (4 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Nov 4, 2011 | Not classified | Z-0870-2012 | Component design/selection | A piece of internal tubing in the 73X portable ventilator is of incorrect specifications for the 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 · Cites it directly · ◆ in the 2010 descendants bar of FIG. 12 Class I recalls
- K111473Uni-Vent (R) Model 731 Series Portable Critical Care VentilatorImpact Instrumentation, Inc. · 2012 · 4 generations on · ◆ in the 2012 descendants bar of FIG. 11 Class I recall
- K162832731 Series VentilatorsZOLL Medical Corporation · 2017 · 5 generations on · ◆ in the 2017 descendants bar of FIG. 11 Class I recall
- K153046Hamilton-MR1Hamilton Medical AG · 2016 · 6 generations on · ◆ in the 2016 descendants bar of FIG. 11 Class I recall
What does this lineage say?
- Of its descendants, K093261 (Thornhill Research, Inc., 2010) has gone furthest, with 7 descendants of its own.
How does its category compare?
All BTL devicesBTL Ventilator, Emergency, Powered (Resuscitator): FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · BTL
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · BTL
203in 2014
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · BTL
2in 2024
Class I (10 since 2007) Class II/III not classified
Adverse event reports per year · BTL
165in 2025
MAUDE reports naming product code BTL, 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 | 5 | 122 | 1 | 5 |
| 2008 | 4 | 198 | 0 | 37 |
| 2009 | 5 | 173 | 0 | 69 |
| 2010 | 3 | 140 | 0 | 96 |
| 2011 | 2 | — | 1 | 75 |
| 2012 | 0 | — | 2 (2) | 115 |
| 2013 | 1 | — | 3 (1) | 103 |
| 2014 | 7 | 203 | 0 | 70 |
| 2015 | 1 | — | 3 (2) | 79 |
| 2016 | 0 | — | 0 | 80 |
| 2017 | 2 | — | 0 | 101 |
| 2018 | 1 | — | 0 | 197 |
| 2019 | 1 | — | 3 (3) | 341 |
| 2020 | 1 | — | 0 | 454 |
| 2021 | 1 | — | 1 | 506 |
| 2022 | 0 | — | 0 | 755 |
| 2023 | 1 | — | 0 | 731 |
| 2024 | 0 | — | 2 (2) | 667 |
| 2025 | 1 | — | 0 | 165 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K051476 · printed Nov 6, 2026
Cite this page
510(k) Report. “K051476: Uni-Vent Model 73X.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051476
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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