Vatech PaX-i3D Smart User Manual page 141

13. Appendices
Depending on the circumference of the patient's head, X-ray intensity may be
classified as Hard, Normal, or Soft :
Soft ≤ Normal ≤ Hard
Age Average head
Group circumference
Child 53±3 cm
Adult 56±3 cm
● Maximally allowed tube voltage / current: kVp ± 10 % / mA ± 20 %
according to IEC60601-2-7.
● Due to image optimization performed prior to shipping, equipment data may
differ slightly from those specified in the table.
134 I
PaX-i3D Smart
Classification of head
Range (cm)
circumference
> 53±3
53±3
53±3 <
> 56±3
56±3
56±3 <
Hard
Normal
Soft
Hard
Normal
Soft