# K033173: Micro Targeting Electrode

- Pathway: 510(k) (Traditional)
- Applicant: FHC, Inc.
- Decided: Mar 24, 2004 after 175 days
- Product code: GZL (Electrode, Depth)
- Device class: 2
- Regulation: 21 CFR 882.1330
- 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 K811452 (1981). 6 ancestors in all.
16 later devices descend from it; 4 cite it directly.
0 of 23 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K991522: Microtargeting Electrode, FHC, Inc. (2000) Summary page 2.
- K961858: Cosgrove Depth Electrode Kit (Cdek), Radionics, Inc. (1996) Summary page 2.
- K991077: Microelectroencephalography Professional System 5000 (Eeg Pro System 5000), Microrecording Systems Consultants, LLC (1999) Summary page 2.

## Most influential descendants
- K041604: Macro-Micro Depth Electrode (2004), 12 descendants of its own
- K053358: Depth Electrode, Foramen Ovale Depth Electrodes, Wyler Sphenoidal Depth Electrodes (2006), 11 descendants of its own
- K170959: DIXI Medical Microdeep Depth Electrode (2017), 5 descendants of its own
- K163355: Depth Electrodes, Foramen Ovale Depth Eletrodes, Marco-Micro Depth Electrodes, Spencer Probe Depth Electrodes (2017), 5 descendants of its own
- K211367: Evo sEEG System (2021), 2 descendants of its own

## Indications for use
The FHC microTargeting® Electrodes are intended for use in intra-operative recording of single unit neuronal activity or intra-operative stimulation of neural elements in the brain.

Source page: https://510kreport.com/device/K033173
Methodology: https://510kreport.com/methodology