# K201354: Tens & PMS

- Pathway: 510(k) (Traditional)
- Applicant: Hong Qiangxing (Shenzhen) Electronics Limited
- Decided: Dec 11, 2020 after 204 days
- Product code: NGX (Stimulator, Muscle, Powered, For Muscle Conditioning)
- Device class: 2
- Regulation: 21 CFR 890.5850
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 5 generations back to K940301 (1994). 7 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K121719: SM Tens & PMS, Hong Qiangxing (Shenzhen) Electronics Limited (2013) Summary page 7.

## Most influential descendants
- K241119: Transcutaneous Electrical Nerve Stimulator (K6106) (2024), 0 descendants of its own

## Indications for use
Model: SM9079 TENS(1,3,4,5,6,21): To be used for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm), and lower extremities (leg) due to strain from exercise or normal household work activities. PMS(2,7,8,9,10,11,12,13,14,15,16,17,18,19,20,22,23,24): It is intended to be used to stimulate healthy muscles in order to improve and facilitate muscle performance. Model: SM9126 TENS(3,4,5,6,11,12,16): To be used for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm), and lower extremities (leg) due to strain from exercise or normal household work activities. PMS(1,2,7,8,9,10,13,14,15): It is intended to be used to stimulate healthy muscles in order to improve and facilitate muscle performance. Model: SM9186 TENS(3,4,7,8,11): To be used for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm), and lower extremities (leg) due to strain from exercise or normal household work activities. PMS(1,2,5,6,9,10,12): It is intended to be used to stimulate healthy muscles in order to improve and facilitate muscle performance. Model: SM9196 TENS(10~15): To be used for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm), and lower extremities (leg) due to strain from exercise or normal household work activities. PMS(1~9): It is intended to be used to stimulate healthy muscles in order to improve and facilitate muscle performance.

Source page: https://510kreport.com/device/K201354
Methodology: https://510kreport.com/methodology
