# K981015: Pali-Trode

- Pathway: 510(k) (Traditional)
- Applicant: Preferred Instruments
- Decided: Jun 16, 1998 after 90 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
No predicates in its family tree.
18 later devices descend from it; 1 cites it directly.
0 of 19 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Most influential descendants
- K991522: Microtargeting Electrode (2000), 17 descendants of its own
- K033173: Micro Targeting Electrode (2004), 16 descendants of its own
- 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

## Indications for use
The Pali-Trode™ Depth Electrode is indicated where intra-operative, short-term recording of multi-unit neural activity is required.

Source page: https://510kreport.com/device/K981015
Methodology: https://510kreport.com/methodology