510(k) · Cleared
ClearedCompression Therapy Device
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Guangzhou Longest Science & Technology Co., Ltd. · JOW Sleeve, Limb, Compressible
Cleared on Mar 19, 2020 as substantially equivalent to K160180 (Daesung Maref Co., Ltd., 2016) after a 252-day review. Its family tree reaches back 4 generations to 1996.
- Decided
- Mar 19, 2020
- Review
- 252 days
- Class
- Class II
- Product code
- JOW
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 4 generations to K953648 (1996). 5 ancestors in all. No later device cites it as a predicate yet.
- Root · 4 generations backK953648 A-V Impulse System Model 6060Novamedix, Ltd. · 1996
- 3 generations backK040511 SCD Express Portable Compression SystemTyco Healthcare/Kendall · 2004
- 2 generations backK112677 The Venous Assist SystemDaesung Maref Co., Ltd. · 2012
- 1 generation backK160180 Intermittent Pneumatic Compression systemDaesung Maref Co., Ltd. · 2016
- This deviceK191856 Compression Therapy DeviceGuangzhou Longest Science & Technology Co., Ltd. · 2020
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K953648 | A-V Impulse System Model 6060 | Novamedix, Ltd. | 1996 | — |
| −3 | K040511 | SCD Express Portable Compression System | Tyco Healthcare/Kendall | 2004 | — |
| −2 | K112677 | The Venous Assist System | Daesung Maref Co., Ltd. | 2012 | — |
| −1 | K160180 | Intermittent Pneumatic Compression system | Daesung Maref Co., Ltd. | 2016 | — |
| 0 (this device) | K191856 | Compression Therapy Device | Guangzhou Longest Science & Technology Co., Ltd. | 2020 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1999 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), 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? (1)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K160180 | Intermittent Pneumatic Compression systemSummary page 5…1 Common Name: Intermittent Pneumatic Compression system Trade Name: DVT-4000 510(k) number: K160180 Review Panel: Cardiovascular Product Code: JOW Regulation Number: 870.5800 R… | 2016 |
What descends from it?
No later submission names this one as a predicate yet.
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?
- The line of descent spans 24 years and passes through 4 companies; a new generation was cleared every 7.5 years on median.
- None of the 5 ancestors has a recall.
How does its category compare?
All JOW devicesJOW Sleeve, Limb, Compressible: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.
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 | — |
What is it indicated for?
Compression Therapy Device (Model: LGT-2201DVT) is intended to prevent DVT (Deep Vein Thrombosis) by improving the blood velocity of patients.
LGT-2201DVT is Circulation Enhancement, Deep Vein Thrombosis Prophylaxis, Edema -Acute, Edema - Chronic, Extremity Pain Incident to Trauma or Surgery, Leg Ulcers, Venous Stasis / Venous Insufficiency.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K191856 · printed Nov 6, 2026
Cite this page
510(k) Report. “K191856: Compression Therapy Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191856
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026