# K033399: Geodesic Eeg System Series 100

- Pathway: 510(k) (Traditional)
- Applicant: Electrical Geodesics, Incorporated
- Decided: Aug 4, 2004 after 285 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
Longest line of descent: 3 generations back to K933233 (1994). 4 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K012079: Geodesic Eeg System, Model 200, Electrical Geodesics, Incorporated (2001) Summary page 1.

## Most influential descendants
- K112353: Geodesic Eeg Mobile 100 (Gem 100) (2012), 0 descendants of its own

## Indications for use
The Geodesic EEG SystemTM Series 100 products are intended to measure and record the electrical activity of the patient's brain. They can be used on adults, children, and infants.

Source page: https://510kreport.com/device/K033399
Methodology: https://510kreport.com/methodology