510(k) · Cleared
ClearedSyneCare 1100 Deep Vein Thrombosis Prevention Therapy System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Jiangsu Synecoun Medical Technology Co., Ltd. · JOW Sleeve, Limb, Compressible
Cleared on Nov 18, 2021 as substantially equivalent to K203310 (Jiangsu Synecoun Medical Technology Co., Ltd., 2021) and 1 other predicate after a 149-day review. Its family tree reaches back 6 generations to 1992.
- Decided
- Nov 18, 2021
- Review
- 149 days
- Class
- Class II
- Product code
- JOW
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 6 generations to K915638 (1992). 22 ancestors in all. No later device cites it as a predicate yet.
- Root · 6 generations backK915638 Talley TM200 Intermttent Compression UnitProgressive Medical Technology, Inc. · 1992
- 5 generations backK022340 Travelair Portable Compression SystemDynamic Air, Inc. · 2003
- 4 generations backK061125 Dvtcare CA5Doctors Orders · 2006
- 3 generations backK103187 Tripleplay-VT Vascular Therapy SystemWildcat Medical, Inc. · 2011
- 2 generations backK133274 Vena ProInnovamed Health, LLC · 2014
- 1 generation backK203310 SyneCare 1000 Deep Vein Thrombosis Prevention Therapy SystemJiangsu Synecoun Medical Technology Co., Ltd. · 2021
- This deviceK211937 SyneCare 1100 Deep Vein Thrombosis Prevention Therapy SystemJiangsu Synecoun Medical Technology Co., Ltd. · 2021
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K915638 | Talley TM200 Intermttent Compression Unit | Progressive Medical Technology, Inc. | 1992 | — |
| −5 | K022340 | Travelair Portable Compression System | Dynamic Air, Inc. | 2003 | — |
| −4 | K061125 | Dvtcare CA5 | Doctors Orders | 2006 | — |
| −3 | K103187 | Tripleplay-VT Vascular Therapy System | Wildcat Medical, Inc. | 2011 | — |
| −2 | K133274 | Vena Pro | Innovamed Health, LLC | 2014 | — |
| −1 | K203310 | SyneCare 1000 Deep Vein Thrombosis Prevention Therapy System | Jiangsu Synecoun Medical Technology Co., Ltd. | 2021 | — |
| 0 (this device) | K211937 | SyneCare 1100 Deep Vein Thrombosis Prevention Therapy System | Jiangsu Synecoun Medical Technology Co., Ltd. | 2021 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2012 | 1 | 0 |
| 2020 | 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? (2)
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 |
|---|---|---|---|
| * | K203310 | SyneCare 1000 Deep Vein Thrombosis Prevention Therapy SystemSummary page 4…JOW Regulation Number: 870.5800 Review Panel: Cardiovascular C. Predicate device: 510(k) # Device name Manufacturer K203310 SyneCare 1000 Deep Vein Thrombosis Prevention Jiangsu Synecoun Medical Therapy… | 2021 |
| * | K203016 | DVT-2600Summary page 4…ep Vein Thrombosis Prevention Jiangsu Synecoun Medical Therapy System Technology Co., Ltd. K203016 DVT-2600 Daesung Maref Co., LTD D. Indications for use of the device: S… | 2020 |
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 29 years and passes through 6 companies; a new generation was cleared every 4.7 years on median.
- 2 of the 22 ancestors have a recall of any class.
How does its category compare?
All JOW devicesJOW Sleeve, Limb, Compressible: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, 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?
SyneCare 1100 Deep Vein Thrombosis Prevention Therapy System is intended to be an easy to use portable system, prescribed by a physician, for use in the home or clinical setting to help prevent the onset of DVT in patients by stimulating blood flow in the extremities (simulating muscle contractions). This device can be used to: * Aid in the prevention of DVT; « Enhance blood circulation; * Diminish post-operative pain and swelling; * Reduce wound healing…
Read the full statement (123 words)
SyneCare 1100 Deep Vein Thrombosis Prevention Therapy System is intended to be an easy to use portable system, prescribed by a physician, for use in the home or clinical setting to help prevent the onset of DVT in patients by stimulating blood flow in the extremities (simulating muscle contractions). This device can be used to:
* Aid in the prevention of DVT;
« Enhance blood circulation;
* Diminish post-operative pain and swelling;
* Reduce wound healing time;
« Aid in the treatment and healing of* stasis dermatitis, venous stasis ulcers, arterial and diabetic leg ulcers, chronic venous insufficiency and reduction of edema in the lower limbs.
* As a prophylaxis for DVT by persons expecting to be stationary for long periods of time.
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/K211937 · printed Nov 6, 2026
Cite this page
510(k) Report. “K211937: SyneCare 1100 Deep Vein Thrombosis Prevention Therapy System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K211937
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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