# K182136: Intelligent Wireless Fitness Apparatus (Model: AST-301, AST-302, AST-303)

- Pathway: 510(k) (Traditional)
- Applicant: Shenzhen Osto Technology Co., Ltd.
- Decided: Oct 10, 2019 after 430 days
- Product code: NUH (Stimulator, Nerve, Transcutaneous, Over-The-Counter)
- Device class: 2
- Regulation: 21 CFR 882.5890
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K940301 (1994). 13 ancestors in all.
No later device cites it as a predicate yet.
0 of 14 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K131291: Torc Body, Johari Digital Healthcare, Ltd. (2013) Summary page 4.
- K133929: Health Expert Elctronic Stimulator, Shenzhen Osto Technology Company Limited (2014) Summary page 4.

## Indications for use
Intelligent Wireless Fitness Apparatus is indicated to be used for: Improvement of abdominal tone, strengthening of the abdominal muscles development of firmer abdomen. Strengthening, Toning and Firming of buttocks and thighs.

Source page: https://510kreport.com/device/K182136
Methodology: https://510kreport.com/methodology