# K213745: Air Compression Therapy Device, model: ST-502

- Pathway: 510(k) (Traditional)
- Applicant: Shenzhen Future Electronic Co., Ltd.
- Decided: Mar 31, 2022 after 122 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). 20 ancestors in all.
3 later devices descend from it; 1 cites it directly.
0 of 24 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 5.

## Most influential descendants
- K221666: Normatec Go (2022), 2 descendants of its own
- K260529: Air Compression Massager (HY-1165) (2026), 0 descendants of its own
- K243177: Sacs Pro (2024), 0 descendants of its own

## Indications for use
The Air Compression Therapy Device(model: ST-502) 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. The Air Compression Therapy Device (model: ST-502) simulates kneading and stroking of tissues by using an inflatable garment.

Source page: https://510kreport.com/device/K213745
Methodology: https://510kreport.com/methodology