Patent ID: 11918396
Assignee: CANON MEDICAL SYSTEMS CORPORATION
Field: Optics (Instruments)
Classification: CPC A  G | IPC A  G

Claim 5:
6. A medical imaging apparatus, comprising:
a gantry in which a bore is formed, the bore being formed to accept a patient to be imaged by the medical imaging apparatus; and
a reflector configured to reflect an image displayed at a rear, the rear being opposite to a side of which a top plate is inserted into the bore, the reflected image being seen from a patient facing up on the top plate, the reflector including a base having a surface, and a plurality of projecting prisms arranged on the surface of the base, perpendicular to an incident direction of the image, and adjacent to one another along a singular dimensional direction,
wherein each of the prisms extends in a direction parallel to a plane of the surface of the base and curves within the plane of the surface of the base, and wherein each of the prisms has a different extent of curvature within the plane of the surface of the base; and
wherein the reflector receives a light related to the image directly from the rear, and the plurality of prisms reflect the light to the patient.