Medical Imaging System Design - Standards?

[COLOR=#000000][FONT=verdana]Forum,[/FONT][/COLOR]

[I]I am an engineering student from Melbourne Australia and I have a simple question related to a literature research project I'm currently undertaking, hopefully someone can help me out. [/I]

[B]Which engineering or safety standards would a design for a CT or fluoroscopy system, more specifically the physical structure and mechanisms of the systems, have to meet?[/B]

[COLOR=#000000][FONT=verdana]Thanks[/FONT][/COLOR]