Vatech EzRay Air W, User Manual

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3. System Overview
EzRay Air W (Model: VEX-S300W) User Manual 11
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3. System Overview
The VEX-S300W is an intra-oral dental X-ray system intended for intra-oral imaging. It
consists of X-ray generator, X-ray controller, beam limiting device, operation panel and
mechanical arm. The X-ray controller allows for accurate exposure control, and the
adjustable mechanical arm allows for easy positioning. The system can be used with
an imaging system.
3.1 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.
3.2 Principles of Operation
X-rays are emitted when high voltage is supplied to the X-ray tube assembly which
frees electrons from cathode. They hit anode to produce X-rays. The equipment
acquires images by emitting X-rays continuously on human tooth.
3.3 Intended User Profile
Considerations Requirement Description
Education
Licensed dentist or dental hygiene, radiologist and
graduates of relevant bachelor’s degree (national
qualifications)
Knowledge
The operator must have understood:

treatment and diagnosis of dental disease

terms and guidance of diagnostic medical
radiation devices
 device connection, installation and operating
conditions.
Language
understanding
The operator must have understood:

the English or Korean manuals (or other
languages provided).
Experience
The operator must have understood:

objectives and effects of treatment and diagnosis
of dental disease using diagnostic medical
radiation devices

normal operation of diagnostic medical radiation
devices

the contents of the user manual.