42
treatment dose.
⚫ Phototoxicity test steps:
① Determine the patient's skin type according to Table B-1 in
Appendix B and select the appropriate skin type.
② Doctors and patients should wear the UV goggles during the
test.
③ Install a hood of ф16mm for the treatment handle.
④ Place the treatment handle on the forearm flexion side of the
upper limb of the patient as shown in Fig. 4-5, and irradiate the six sites at
same distances with different doses. The output doses required for the
test predefined by the equipment are given in Appendix C. The
equipment will emit six doses automatically in the order of 1 to 6 in Table
C-1 or Table C-2 according to the selected skin type. Replace an
irradiation site when completing an irradiation dose.
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