# K163705: EzRay Air W

- Pathway: 510(k) (Special)
- Applicant: VATECH Co., Ltd.
- Decided: Jan 24, 2017 after 26 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: 3 generations back to K000672 (2000). 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)
- K123493: Vex-S 100W Intraoral X-Ray System, VATECH Co., Ltd. (2012) Summary page 4.

## Most influential descendants
- K223058: EzRay Air 2 Wall (Model: VEX-S350W) (2022), 1 descendant of its own
- K250839: Dental X-ray System (2026), 0 descendants of its own

## Indications for use
The EzRay Air W (Model: VEX-S300W) is an intra-oral dental X-ray system (extra-oral X-ray source system) intended for use by a trained and qualified dentist or dental technician for both adult and pediatric subjects for producing diagnostic dental radiographs for treatment of diseases of the teeth, jaw, and other oral structures using intra-oral image receptors.

Source page: https://510kreport.com/device/K163705
Methodology: https://510kreport.com/methodology