# K251662: Air Compression Therapy Device (ST-504); Air Compression Therapy Device (ST-505); Air Compression Therapy Device (ST-506); Air Compression Therapy Device (ST-507)

- Pathway: 510(k) (Traditional)
- Applicant: Shenzhen Future Electronic Co., Ltd.
- Decided: Nov 13, 2025 after 167 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: 10 generations back to K850316 (1985). 48 ancestors in all.
No later device cites it as a predicate yet.
0 of 49 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K232965: Leg Massager (Models:RP-ALM070H, RP-ALM071H), Shenzhen Ruiyi Business Technology Co., Ltd. (2024) Summary page 6.

## Indications for use
The Air Compression Therapy Device 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 simulates kneading and stroking of tissues by using an inflatable garment.

Source page: https://510kreport.com/device/K251662
Methodology: https://510kreport.com/methodology