# K021496: HMS-DHR-3 Neuromuscular Stimulator

- Pathway: 510(k) (Traditional)
- Applicant: Home Medical Services
- Decided: Aug 6, 2002 after 89 days
- Product code: GZJ (Stimulator, Nerve, Transcutaneous, For Pain Relief)
- 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
No predicates in its family tree.
3 later devices descend from it; 1 cites it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Most influential descendants
- K112485: H-WAVE (2011), 2 descendants of its own
- K131910: MPP (2014), 1 descendant of its own
- K160255: HBOTC Muscle and Nerve Stimulator (2016), 0 descendants of its own

## Indications for use
SYMPTOMATIC RELIEF OF CHRONIC INTRACTABLE PAIN

Source page: https://510kreport.com/device/K021496
Methodology: https://510kreport.com/methodology