# K830295: Medilog 9000 System

- Pathway: 510(k) (Traditional)
- Applicant: Oxford Medilog, Inc.
- Decided: Mar 24, 1983 after 56 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.
88 later devices descend from it; 2 cite it directly.
0 of 89 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
- K971813: EMBLA (1998), 61 descendants of its own
- K170363: Ceribell Pocket EEG Device (2017), 25 descendants of its own
- K080427: Watch-Pat Model 100S-2 (2008), 25 descendants of its own
- K081982: Watch-Pat 200S-2 (WP200S-2) (2008), 24 descendants of its own
- K102567: Watch-Pat 200S-3 (WP200S-3) (2011), 23 descendants of its own

Source page: https://510kreport.com/device/K830295
Methodology: https://510kreport.com/methodology