# K131693: Rayscan a-Expert

- Pathway: 510(k) (Special)
- Applicant: Ray Co., Ltd.
- Decided: Nov 1, 2013 after 144 days
- Product code: MUH (System, X-Ray, Extraoral Source, Digital)
- 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: 4 generations back to K972312 (1997). 5 ancestors in all.
4 later devices descend from it; 1 cites it directly.
0 of 10 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K122918: Rayscan a-Expert, Ray Co., Ltd. (2013) Summary page 1.

## Most influential descendants
- K142058: Rayscan a-Expert (2015), 3 descendants of its own
- K181297: DENTIOIII series (DENTIOIII, DENTIOIII-S) (2018), 1 descendant of its own
- K232325: RAYSCAN a-Expert (2024), 0 descendants of its own
- K201382: X-MIND prime 3D (under trademark Acteon), I-MAX 3D (under trademark Owandy Radiology) (2020), 0 descendants of its own

## Indications for use
The RAYSCAN ax-Expert Dental X-Ray System is an extraoral source dental panoramic and optional cephatometric X-ray system intended to produce X-rays for dental radiographic examination and diagnosis of diseases of the teeth, jaw, and oral structures.

Source page: https://510kreport.com/device/K131693
Methodology: https://510kreport.com/methodology