# K102166: Electro Interstitial Scan

- Pathway: 510(k) (Traditional)
- Applicant: Ld Technology, LLC
- Decided: Dec 10, 2010 after 130 days
- Product code: GZO (Device, Galvanic Skin Response Measurement)
- Device class: 2
- Regulation: 21 CFR 882.1540
- 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 K874850 (1988). 3 ancestors in all.
2 later devices descend 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)
- K100233: Sudoscan, Impeto Medical (2010). Our reading of the summary gave K100223, which is not a number in FDA’s lists. Corrected to the number one digit away whose FDA name carries the summary’s words for the device, “SUDOSCAN”.

## Most influential descendants
- K131568: Sudo Path (2013), 1 descendant of its own
- K152216: SudoC (2015), 0 descendants of its own

## Indications for use
EIS-GS (Electro Interstitial Scan-OS) is a medical device for the measurement of galvanic skin response. The device is not intended to be used for any diagnosis. The data are stored in the PC in the backup system of the EIS-OS software. The device is intended for use only in healthy adult subjects. The device is intended for use only in practitioner's office and clinical setting.

Source page: https://510kreport.com/device/K102166
Methodology: https://510kreport.com/methodology