# K982482: Handmaster NMS1

- Pathway: 510(k) (Traditional)
- Applicant: N.E.S.S. Nuromuscular Electrical Stimulation Syst
- Decided: Sep 30, 1998 after 76 days
- Product code: IPF (Stimulator, Muscle, Powered)
- 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: 2 generations back to K813008 (1981). 4 ancestors in all.
54 later devices descend from it; 3 cite it directly.
0 of 59 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K952273: Handmaster NMS1, Neuromusclar Electrical Stimulation Systems, Ltd. (1996) Summary page 2.

## Most influential descendants
- K031900: Handmaster (2003), 35 descendants of its own
- K080950: Stiwell MED4 (2009), 34 descendants of its own
- K110179: Incontrol (2012), 21 descendants of its own
- K022776: Ness System (2002), 17 descendants of its own
- K103343: L300 Plus System (Right, Left), L300 Plus System Upgrade Kit (Right, Left) (2011), 15 descendants of its own

## Indications for use
The HANDMASTER is intended to be used for the following indications: maintenance or increase of range of motion, reduction of muscle spasm, prevention or retardation of disuse atrophy, muscle reeducation, and increasing local blood circulation.

Source page: https://510kreport.com/device/K982482
Methodology: https://510kreport.com/methodology