510(k) · Cleared
ClearedAir Compressible Limb Therapy System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Daesung Maref Co., Ltd. · IRP Massager, Powered Inflatable Tube
Cleared on Apr 20, 2015 as substantially equivalent to K102320 (Daesung Maref Co., Ltd., 2011) after a 101-day review. Its family tree reaches back 5 generations to 1992. 1 later device descends from it.
- Decided
- Apr 20, 2015
- Review
- 101 days
- Class
- Class II
- Product code
- IRP
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K914774 (1992). 9 ancestors in all, the oldest K810338 (1981). 1 later device descends from it, 1 citing it directly.
- Root · 5 generations backK914774 Multipulse Sequential Compression UnitTalley Group, Ltd. · 1992
- 4 generations backK013061 Biotouch Massage Therapy SystemTactile Systems Technology, Inc. · 2002
- 3 generations backK080134 Compressible Limb and Circulation Therapy System, Model WHF-314…Wonjin Mulsan Co., Ltd. · 2009
- 2 generations backK100656 Compressible Limb Therapy System Model WHF-324 (Power-Q1000 Plus)Wonjin Mulsan Co., Ltd. · 2010
- 1 generation backK102320 Compressible Limb and Circulation Therapy System Model LX7(V7)Daesung Maref Co., Ltd. · 2011
- This deviceK150033 Air Compressible Limb Therapy SystemDaesung Maref Co., Ltd. · 2015
- Descendant · cites it directly · 0 of its ownK231437 LF900Daesung Maref Co., Ltd. · 2023
Most influential descendants
Showing 1 of 1 · See all- K231437LF900Daesung Maref Co., Ltd. · 2023 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K914774 | Multipulse Sequential Compression Unit | Talley Group, Ltd. | 1992 | — |
| −4 | K013061 | Biotouch Massage Therapy System | Tactile Systems Technology, Inc. | 2002 | — |
| −3 | K080134 | Compressible Limb and Circulation Therapy System, Model WHF-314 (Power-Q1000) | Wonjin Mulsan Co., Ltd. | 2009 | — |
| −2 | K100656 | Compressible Limb Therapy System Model WHF-324 (Power-Q1000 Plus) | Wonjin Mulsan Co., Ltd. | 2010 | — |
| −1 | K102320 | Compressible Limb and Circulation Therapy System Model LX7(V7) | Daesung Maref Co., Ltd. | 2011 | — |
| 0 (this device) | K150033 | Air Compressible Limb Therapy System | Daesung Maref Co., Ltd. | 2015 | — |
| +1 | K231437 | LF900 | Daesung Maref Co., Ltd. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1981 | 1 | 0 |
| 1988 | 1 | 0 |
| 1992 | 1 | 0 |
| 2001 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2023 | 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 IRP? 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 IRP device
- #1 K193354 Air Compression Therapy Devicescore 28.6 · 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? (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 |
|---|---|---|---|
| * | K102320 | Compressible Limb and Circulation Therapy System Model LX7(V7)Summary page 5…n –LF-400 III. PREDICATE DEVICE 1) Primary Manufacturer : DaeSung Maref Co., Ltd. Device : LX7 (V7) 510(k) Number : K102320 (Decision Date – Mar. 4, 2011) This predicate has not been subject to a design-related recall. No reference devic… | 2011 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K231437 | LF900 | 2023 | 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?
- The line of descent spans 23 years and passes through 4 companies; a new generation was cleared every 4.1 years on median.
- None of the 9 ancestors has a recall.
- Of its descendants, K231437 (Daesung Maref Co., Ltd., 2023) has gone furthest, with 0 descendants of its own.
- 3 other devices also cite its predicate K102320.
How does its category compare?
All IRP devicesIRP Massager, Powered Inflatable Tube: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.
FDA decisions per year · IRP
13in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · IRP
141in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IRP
2in 2017
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · IRP
10in 2025
MAUDE reports naming product code IRP, 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 | 2 | — | 0 | 0 |
| 2008 | 1 | — | 0 | 2 |
| 2009 | 1 | — | 0 | 1 |
| 2010 | 2 | — | 0 | 5 |
| 2011 | 3 | 164 | 1 | 3 |
| 2012 | 5 | 116 | 0 | 3 |
| 2013 | 2 | — | 0 | 0 |
| 2014 | 4 | 113 | 0 | 0 |
| 2015 | 2 | — | 0 | 3 |
| 2016 | 1 | — | 0 | 2 |
| 2017 | 4 | 170 | 2 | 0 |
| 2018 | 3 | 80 | 0 | 0 |
| 2019 | 10 | 83 | 0 | 0 |
| 2020 | 9 | 150 | 0 | 1 |
| 2021 | 19 | 140 | 0 | 0 |
| 2022 | 14 | 97 | 0 | 1 |
| 2023 | 10 | 143 | 0 | 0 |
| 2024 | 12 | 115 | 0 | 4 |
| 2025 | 13 | 141 | 0 | 10 |
| 2026 | 12 | 172 | 0 | — |
What is it indicated for?
LF-400 is intended for use by medical professionals and patients at home, who are under medical supervision, in treating
many conditions, such as : Primary lymphedema, Edema following trauma and sport injuries, Postimmobilization edema,
Venous insufficiencies, Lymphedema.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K150033 · printed Nov 4, 2026
Cite this page
510(k) Report. “K150033: Air Compressible Limb Therapy System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K150033
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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