510(k) Report

510(k) · Cleared

Cleared

DVT-2600

K203016510(k) SpecialCleared Dec 5, 202065-day reviewClass II21 CFR 870.5800

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Daesung Maref Co., Ltd. · JOW Sleeve, Limb, Compressible

Cleared on Dec 5, 2020 as substantially equivalent to K112677 (Daesung Maref Co., Ltd., 2012) after a 65-day review. Its family tree reaches back 3 generations to 1996. 1 later device descends from it.

Decided
Dec 5, 2020
Review
65 days
Class
Class II
Product code
JOW
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K953648 (1996). 4 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1999: 1 other ancestor2021: 1 descendant clearedK953648 · A-V Impulse System Model 6060 · Novamedix, Ltd. · 1996K040511 · SCD Express Portable Compression System · Tyco Healthcare/Kendall · 2004K112677 · The Venous Assist System · Daesung Maref Co., Ltd. · 20121995200020052010201520202025
Other ancestors, by generationDescendants, by generation 3 generations back: 1 other ancestor 1 generation forward: 1 descendant K112677 · The Venous Assist System · Daesung Maref Co., Ltd. · 2012K040511 · SCD Express Portable Compression System · Tyco Healthcare/Kendall · 2004K953648 · A-V Impulse System Model 6060 · Novamedix, Ltd. · 19960
  1. Root · 3 generations backK953648 A-V Impulse System Model 6060Novamedix, Ltd. · 1996
  2. 2 generations backK040511 SCD Express Portable Compression SystemTyco Healthcare/Kendall · 2004
  3. 1 generation backK112677 The Venous Assist SystemDaesung Maref Co., Ltd. · 2012
  4. This deviceK203016 DVT-2600Daesung Maref Co., Ltd. · 2020
  5. Descendant · cites it directly · 0 of its ownK211937 SyneCare 1100 Deep Vein Thrombosis Prevention Therapy SystemJiangsu Synecoun Medical Technology Co., Ltd. · 2021

Most influential descendants

Showing 1 of 1 · See all
  • K211937SyneCare 1100 Deep Vein Thrombosis Prevention Therapy SystemJiangsu Synecoun Medical Technology Co., Ltd. · 2021 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K953648A-V Impulse System Model 6060Novamedix, Ltd.1996—
−2K040511SCD Express Portable Compression SystemTyco Healthcare/Kendall2004—
−1K112677The Venous Assist SystemDaesung Maref Co., Ltd.2012—
0 (this device)K203016DVT-2600Daesung Maref Co., Ltd.2020—
+1K211937SyneCare 1100 Deep Vein Thrombosis Prevention Therapy SystemJiangsu Synecoun Medical Technology Co., Ltd.2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199910

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202110
FIG. 1 — Lineage of K203016, 1996–2021Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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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. #1 K253555 Flexitouch® Plus Advanced Pneumatic…score 14.8 · 11 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K112677The Venous Assist System
Summary page 5
…1 / 5 4. Identification of Predicate Device(s) [21 CFR 807.92(a)(3)] Predicate Device ● 510(k) Number : K112677 ● Applicant : DAESUNG MAREF CO., LTD. ● Trade / Device Name : THE VENOUS ASSIST SYSTEM ●…
Daesung Maref Co., Ltd.2012—

Also cleared against K112677: 4 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K211937SyneCare 1100 Deep Vein Thrombosis Prevention Therapy SystemJiangsu Synecoun Medical Technology Co., Ltd.20210

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 3 companies; a new generation was cleared every 8.4 years on median.
  • None of the 4 ancestors has a recall.
  • Of its descendants, K211937 (Jiangsu Synecoun Medical Technology Co., Ltd., 2021) has gone furthest, with 0 descendants of its own.
  • 4 other devices also cite its predicate K112677.

How does its category compare?

All JOW devices

JOW 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

2007: 62008: 42009: 32010: 182011: 112012: 132013: 172014: 162015: 102016: 92017: 92018: 112019: 112020: 142021: 162022: 72023: 62024: 82025: 72026 (partial year): 6
2007high 18 (2010) · low 3 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JOW

168in 2025

2007: 66 days median2008: 112 days median2009: 84 days median2010: 71 days median2011: 104 days median2012: 63 days median2013: 94 days median2014: 91 days median2015: 160 days median2016: 121 days median2017: 116 days median2018: 136 days median2019: 88 days median2020: 158 days median2021: 132 days median2022: 80 days median2023: 160 days median2024: 197 days median2025: 168 days median2026 (partial year): 252 days median
2007high 252 (2026) · low 63 (2012)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · JOW

1in 2019

2008: 72010: 22011: 32012: 22017: 12019: 1
2007high 7 (2008) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · JOW

24in 2025

2007: 122008: 362009: 452010: 662011: 502012: 1002013: 1692014: 932015: 1372016: 1502017: 1492018: 1142019: 1022020: 502021: 342022: 272023: 572024: 302025: 24
2007high 169 (2013) · low 12 (2007)2025

MAUDE reports naming product code JOW, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007666012
20084112736
2009384045
20101871266
201111104350
201213632100
201317940169
20141691093
2015101600137
201691210150
201791161149
2018111360114
201911881102
202014158050
202116132034
2022780027
20236160057
20248197030
20257168024
202662520—

What is it indicated for?

A device intended to prevent Deep Vein Thrombosis/Pulmonary Embolism (DVT/PE) by increasing venous blood flow to a patient who has a risk of DVT/PE.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K203016: DVT-2600.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K203016

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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