# K150033: Air Compressible Limb Therapy System

- Pathway: 510(k) (Special)
- Applicant: Daesung Maref Co., Ltd.
- Decided: Apr 20, 2015 after 101 days
- Product code: IRP (Massager, Powered Inflatable Tube)
- Device class: 2
- Regulation: 21 CFR 890.5650
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 5 generations back to K914774 (1992). 9 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K102320: Compressible Limb and Circulation Therapy System Model LX7(V7), Daesung Maref Co., Ltd. (2011) Summary page 5.

## Most influential descendants
- K231437: LF900 (2023), 0 descendants of its own

## Indications for use
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.

Source page: https://510kreport.com/device/K150033
Methodology: https://510kreport.com/methodology