Patent ID: 11904188
Assignee: BEIJING RAYER SHIWEI MEDICAL RESEARCH CO., LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 2:
3. The system according to claim 2, wherein the low-level treatment center and the high-level treatment center satisfy following conditions:

3575≤d11+d12≤3700,

0.54≤h1/d11≤0.58,

3515≤d21+d22≤3600,

0.68≤h2/d21≤0.72, and

0.42≤(h2−h1)/h1≤0.56;

wherein d11 represents a distance from the low-level treatment center to an imaging center of a corresponding flat-panel detector; d12 represents a distance from the low-level treatment center to a center of a bulb tube source of a corresponding X-ray tube; d21 represents a distance from the high-level treatment center to an imaging center of a corresponding flat-panel detector; d22 represents a distance from the high-level treatment center to a center of a bulb tube source of a corresponding X-ray tube; h1 represents a height from the low-level treatment center to a ground; and h2 represents a height from the high-level treatment center to the ground.