# K010837: Handmaster

- Pathway: 510(k) (Traditional)
- Applicant: Neuromusclar Electrical Stimulation Systems, Ltd.
- Decided: Jun 15, 2001 after 87 days
- Product code: GZI (Stimulator, Neuromuscular, External Functional)
- Device class: 2
- Regulation: 21 CFR 882.5810
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
37 later devices descend from it; 2 cite it directly.
0 of 38 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## 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
- K134020: Intonemv (2014), 10 descendants of its own
- K141158: APEX (2014), 9 descendants of its own

Source page: https://510kreport.com/device/K010837
Methodology: https://510kreport.com/methodology