510(k) · Cleared
ClearedFlowtron DVT System AC500 Pump, L501 Garment
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Huntleigh Technology, Inc. · JOW Sleeve, Limb, Compressible
Cleared on Sep 26, 1988 after a 165-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 37 later devices descend from it.
- Decided
- Sep 26, 1988
- Review
- 165 days
- Class
- Class II
- Product code
- JOW
- Recalls
- None
- Predicates
- 0
37 later devices descend from it, 10 citing it directly.
- This deviceK881632 Flowtron DVT System AC500 Pump, L501 GarmentHuntleigh Technology, Inc. · 1988
- Descendant · cites it directly · 22 of its ownK061857 Model Multi-Flo IC-1545-KT/-F Intermittent CirculatorBio Compression Systems, Inc. · 2006
- Descendant · 2 generations on · 18 of its ownK072666 Bioarterial Plus, Arterial Blood Flow Enhancement SystemBio Compression Systems, Inc. · 2007
- Descendant · 3 generations on · 14 of its ownK131327 Bioarterial Plus Arterial Blood Flow Enhancement SystemBio Compression Systems, Inc. · 2013
- Descendant · 4 generations on · 12 of its ownK181149 Therm-X Pro, Therm-X AT, Therm-X Pro AthleteZenith Technical Innovations · 2018
- Descendant · 5 generations on · 11 of its ownK190854 Therm-XZenith Technical Innovations · 2019
Showing 5 of 37 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 37 · See all- K061857Model Multi-Flo IC-1545-KT/-F Intermittent CirculatorBio Compression Systems, Inc. · 2006 · cites it directly22descendants
- K072666Bioarterial Plus, Arterial Blood Flow Enhancement SystemBio Compression Systems, Inc. · 2007 · 2 generations on18descendants
- K131327Bioarterial Plus Arterial Blood Flow Enhancement SystemBio Compression Systems, Inc. · 2013 · 3 generations on14descendants
- K181149Therm-X Pro, Therm-X AT, Therm-X Pro AthleteZenith Technical Innovations · 2018 · 4 generations on12descendants
- K190854Therm-XZenith Technical Innovations · 2019 · 5 generations on11descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K881632 | Flowtron DVT System AC500 Pump, L501 Garment | Huntleigh Technology, Inc. | 1988 | — |
| +1 | K061857 | Model Multi-Flo IC-1545-KT/-F Intermittent Circulator | Bio Compression Systems, Inc. | 2006 | — |
| +2 | K072666 | Bioarterial Plus, Arterial Blood Flow Enhancement System | Bio Compression Systems, Inc. | 2007 | — |
| +3 | K131327 | Bioarterial Plus Arterial Blood Flow Enhancement System | Bio Compression Systems, Inc. | 2013 | — |
| +4 | K181149 | Therm-X Pro, Therm-X AT, Therm-X Pro Athlete | Zenith Technical Innovations | 2018 | — |
| +5 | K190854 | Therm-X | Zenith Technical Innovations | 2019 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2001 | 1 | 0 |
| 2004 | 2 | 0 |
| 2006 | 4 | 0 |
| 2007 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 6 | 0 |
| 2011 | 1 | 0 |
| 2013 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2023 | 4 | 0 |
| 2024 | 4 | 0 |
| 2025 | 3 | 0 |
| 2026 | 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.
Planning a device in JOW? 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 JOW device
- #1 K253555 Flexitouch® Plus Advanced Pneumatic…score 14.8 · 11 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 has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (37)
See all 3710 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K061857 | Model Multi-Flo IC-1545-KT/-F Intermittent Circulator | 2006 | 22 |
| K974318 | Healthcare Service and Supply Alp Alternating Leg Pressure Pump and Gaarments for the Limb | 1998 | 8 |
| K012403 | Vanguard Reprocessed Compression Garment | 2001 | 3 |
| K100969 | Wmi DVT Wrap, Wmi Thermal Wrap Model: D-1000F, D-1000C, T-2000A, T-2000B, T-2000KF… | 2010 | 0 |
| K101702 | Midwest Reprocessing Center Reprocessed Venodyne Sleeves/Foot Cuffs | 2010 | 0 |
| K101330 | Midwest Reprocessing Center Reprocessed SCD Express Sleeves/ Foot Cuffs, Midwest… | 2010 | 0 |
| K040065 | Jsa's Reprocessed Compression Sleeve Devices | 2004 | 0 |
| K033615 | Wfsi's Reprocessed Compression Sleeve Devices | 2004 | 0 |
| K983680 | Trinity II Single Chamber DVT Pump | 1999 | 0 |
| K981643 | RTM DVT Prosoft Cuff Model Number PS100 | 1998 | 0 |
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, K061857 (Bio Compression Systems, Inc., 2006) has gone furthest, with 22 descendants of its own.
How does its category compare?
All JOW devicesJOW Sleeve, Limb, Compressible: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · JOW
7in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · JOW
168in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JOW
1in 2019
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JOW
24in 2025
MAUDE reports naming product code JOW, 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 | 6 | 66 | 0 | 12 |
| 2008 | 4 | 112 | 7 | 36 |
| 2009 | 3 | 84 | 0 | 45 |
| 2010 | 18 | 71 | 2 | 66 |
| 2011 | 11 | 104 | 3 | 50 |
| 2012 | 13 | 63 | 2 | 100 |
| 2013 | 17 | 94 | 0 | 169 |
| 2014 | 16 | 91 | 0 | 93 |
| 2015 | 10 | 160 | 0 | 137 |
| 2016 | 9 | 121 | 0 | 150 |
| 2017 | 9 | 116 | 1 | 149 |
| 2018 | 11 | 136 | 0 | 114 |
| 2019 | 11 | 88 | 1 | 102 |
| 2020 | 14 | 158 | 0 | 50 |
| 2021 | 16 | 132 | 0 | 34 |
| 2022 | 7 | 80 | 0 | 27 |
| 2023 | 6 | 160 | 0 | 57 |
| 2024 | 8 | 197 | 0 | 30 |
| 2025 | 7 | 168 | 0 | 24 |
| 2026 | 6 | 252 | 0 | — |
https://510kreport.com/device/K881632 · printed Nov 6, 2026
Cite this page
510(k) Report. “K881632: Flowtron DVT System AC500 Pump, L501 Garment.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K881632
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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