# K100656: Compressible Limb Therapy System Model WHF-324 (Power-Q1000 Plus)

- Pathway: 510(k) (Special)
- Applicant: Wonjin Mulsan Co., Ltd.
- Decided: May 26, 2010 after 79 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: 3 generations back to K914774 (1992). 4 ancestors in all.
13 later devices descend from it; 3 cite it directly.
0 of 18 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K080134: Compressible Limb and Circulation Therapy System, Model WHF-314 (Power-Q1000), Wonjin Mulsan Co., Ltd. (2009) Summary page 1.

## Most influential descendants
- K102320: Compressible Limb and Circulation Therapy System Model LX7(V7) (2011), 6 descendants of its own
- K113275: Compressible Limb Therapy System (2012), 3 descendants of its own
- K102319: Compressible Limb and Circulation Therapy System Model Wic-2008 (2011), 3 descendants of its own
- K161907: Pressure Therapy System (2017), 1 descendant of its own
- K150033: Air Compressible Limb Therapy System (2015), 1 descendant of its own

## Indications for use
WHF-324 (POWER-Q1000 PLUS) 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/K100656
Methodology: https://510kreport.com/methodology