# K182108: Portable Electro-Stimulation Therapy Device

- Pathway: 510(k) (Traditional)
- Applicant: Guangzhou Longest Science & Technology Co., Ltd.
- Decided: Apr 26, 2019 after 266 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: 3 generations back to K984142 (1999). 4 ancestors in all.
No later device cites it as a predicate yet.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K111482: Sonicator Plus 920, Mettler Electronics Corp. (2011) Summary page 4.

## Indications for use
Portable Electro-Stimulation Therapy Device, model LGT-235 is indicated for the Symptomatic relief of chronic intractable pain, Post-traumatic pain and Post-surgical pain of the arms and legs.

Source page: https://510kreport.com/device/K182108
Methodology: https://510kreport.com/methodology