ACR Electronics L-32 FIELD MARKER LIGHTING SYSTEM Informations techniques télécharger pdf (Page 50)

The mechanical support of the x-ray tube on Cephalometric

and Panoramic units shall be designed

so that the x-ray

tube housing assembly remains stable during an exposure

after positioning.

units by placing

This should be evaluated on intraoral

the x-ray

tube assembly in the

positions/angles commonly used

cephalometric unit should

clinically.

The

be set up

geometry to evaluate mechanical

stability.

in its clinical

While the x-

ray tube assembly is not stationary on Panoramic units

during exposures; it

should

maintain the vertical and

rigidly supported

horizontal slit

alignment

discussed in Section III-5-B.

III-10. Shielding Devices

The comments made in Section I-4 also generally apply

to dental installations. Typically a lead apron is placed

on the patient to provide ‘whole body” and

gonadal

shielding.

specifically

Thyroid shields are also effective at

reducing thyroid doses As Low As Reasonably Achievable

(ALARA) for dental patients.

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ACR Electronics L-32 FIELD MARKER LIGHTING SYSTEM Informations techniques Page 50