# K874796: Model Eeg 4400 with Optional Accessories

- Pathway: 510(k) (Traditional)
- Applicant: Nihon Kohden America, Inc.
- Decided: Jan 19, 1988 after 75 days
- Product code: GWQ (Full-Montage Standard Electroencephalograph)
- Device class: 2
- Regulation: 21 CFR 882.1400
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
4 later devices descend from it; 1 cites it directly.
0 of 5 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
- K030869: Bitestrip (2004), 3 descendants of its own
- K092675: Grindcare (2010), 2 descendants of its own
- K163448: GrindCare System (2017), 0 descendants of its own
- K113677: Grindcare Measure (2012), 0 descendants of its own

Source page: https://510kreport.com/device/K874796
Methodology: https://510kreport.com/methodology