# K172810: Port-X IV

- Pathway: 510(k) (Traditional)
- Applicant: Genoray Co., Ltd.
- Decided: Mar 7, 2018 after 170 days
- Product code: EHD (Unit, X-Ray, Extraoral With Timer)
- Device class: 2
- Regulation: 21 CFR 872.1800
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 7 generations back to K000061 (2000). 7 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K132041: Rextar X, Meta Biomed, Inc. (2013) Summary page 4.

## Most influential descendants
- K223010: Portable X-ray System (2023), 0 descendants of its own

## Indications for use
PORT-X IV is a portable X-ray system to be used by trained dentists and dental technicians as a mobile, extra oral x-ray source for producing diagnostic x-ray images using intra oral image receptors. It is intended for both adult and pediatric subjects.

Source page: https://510kreport.com/device/K172810
Methodology: https://510kreport.com/methodology