Kernel KN-4006 Series - Page 48

KN-4006 series UV Radiation Treatment System
44
Example: to test MED, if the patient's skin type is
Ⅳ
, Test site is
the upper arm flexor side, look for it from C-3: the first hole's
radiate dosage is 1.2J/cm
2
, The second is 0.96J/cm
2
, the third is
0.72J/cm
2
, the fourth is 0.48J/cm
2,
the fifth is 0.24J/cm
2
.
.
Then shift
each dosage to radiation time to output.
6. Mark the locations of each hole
7. Within 24 hours after irradiation, the test parts need to avoid
any artificial and natural UV light irradiation;
8. 24 hours later, the patient should be returned to hospital to
determine doses in accordance with different erythema parts.
9. The dosage which can first cause slight erythema is the
patient's MPD or MED. As figure C-3, the patient first have
MED test, skin type is
Ⅳ
, Test site is the upper arm flexor side.
The third hole erythema is the slight erythema. Known from
table C-3, the third hold's dosage is 0.72J/cm
2
, so the
patient's MED is 0.72J/cm
2
.
Figure. C-3
10. If there are serious erythema or blisters, can use external
corticosteroids.
Suggestion: use my company's MPD / MED tester for testing
irradiated only once, eliminating the trouble of
repeatedly setting.