# K222991: Air Compression Leg Massager (model: EMK-701)

- Pathway: 510(k) (Traditional)
- Applicant: Xiamen Emoka Health Science & Technology Co., Ltd.
- Decided: Mar 15, 2023 after 168 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: 9 generations back to K850316 (1985). 22 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 25 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K193354: Air Compression Therapy Device, Shenzhen Dongjilian Electronics Co., Ltd. (2020) Summary page 4.
- K212935: Air Pressure Foot Massager, Xiamen Simo Electronic Co., Ltd. (2022) Summary page 5.

## Most influential descendants
- K250046: Air Compression Leg Massager (UM605, UM606, UM607, UM608,UM609,UM610, UM611, UM617) (2025), 0 descendants of its own
- K242140: Air Compression Leg Massager (K-705) (2025), 0 descendants of its own

## Indications for use
Air Compression Leg Massager is indicated for the temporary relief of minor muscle aches and pains and for temporary increase in circulation to the treated areas in people who are in good health. Air Compression Leg Massager simulates kneading and stroking of tissues by using an inflatable garment.

Source page: https://510kreport.com/device/K222991
Methodology: https://510kreport.com/methodology