# K844992: Bio-Logic Portable Evoked Response System

- Pathway: 510(k) (Traditional)
- Applicant: Bio-Logic Systems Corp.
- Decided: Jun 7, 1985 after 163 days
- Product code: GWF (Stimulator, Electrical, Evoked Response)
- Device class: 2
- Regulation: 21 CFR 882.1870
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 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
- K083371: Navigator Pro with Aep Software (Biomark, Enog, Champ) (2009), 0 descendants of its own

Source page: https://510kreport.com/device/K844992
Methodology: https://510kreport.com/methodology