X-ray tube advances
CT is very demanding of x-ray tubes and generators
- Instantaneously - up to 500 mA
- Over time - scan sequences of 30 s+
Requires large heat capacity and fast cooling rates
- Up to 7.5 MHU, 1.4 MHU/min
Mechanical stresses due to tube rotation
- Up to 13G for 0.5s rotation