Radiographic diagnosis apparatus, radiation detector and collimator
AssigneeCanon Medical Systems Corporation
InventorMasahiko YAMAZAKI
Life of this patent
Estimating the term…
Abstract
A radiographic diagnosis apparatus according to a present embodiment includes: an X-ray source configured to generate an X-ray; an X-ray detector configured to detect the X-ray and to generate an electric signal according to the X-ray; and a collimator provided on an X-ray incident side of the X-ray source and the collimator including an absorption wall configured to absorb a scattered X-ray. The absorption wall includes absorption portions arranged along an incident direction of the X-ray. The absorption portions are arranged at unequal intervals along the incident direction.
Claims17
A radiographic diagnosis apparatus comprising:
- an X-ray source configured to generate an X-ray;
- an X-ray detector configured to detect the X-ray and to generate an electric signal according to the X-ray;
- and
- a collimator provided on an X-ray incident side of the X-ray source and the collimator including an absorption wall configured to absorb a scattered X-ray, wherein
- the absorption wall includes absorption portions arranged along an incident direction of the X-ray, and
- the absorption portions are arranged at unequal intervals along the incident direction.
A radiographic diagnosis apparatus comprising:
- an X-ray source configured to generate an X-ray;
- an X-ray detector configured to detect the X-ray and to generate an electric signal according to the X-ray;
- and
- a collimator provided on an X-ray incident side of the X-ray source and the collimator including an absorption wall configured to absorb a scattered X-ray, wherein
- the absorption wall includes absorption portions arranged along an incident direction of the X-ray, wherein
- the absorption wall has a configuration in which an order of each of the absorption portions and a non-absorption portions is alternated along a row direction of the X-ray detector when extending in the row direction, and
- the absorption wall has a configuration in which an order of each of the absorption portions and a non-absorption portions is alternated along a channel direction of the X-ray detector when extending in the channel direction.
A radiographic diagnosis apparatus comprising:
- an X-ray source configured to generate an X-ray;
- an X-ray detector configured to detect the X-ray and to generate an electric signal according to the X-ray;
- and
- a collimator provided on an X-ray incident side of the X-ray source and the collimator including an absorption wall configured to absorb a scattered X-ray, wherein
- the absorption wall includes absorption portions arranged along an incident direction of the X-ray, wherein
- an absorption portion which is the same material as the absorption portions and is thinner than the absorption portions is arranged between the absorption portions.
A radiation detector comprising a collimator equipped with an absorption wall configured to absorb a scattered X-ray, wherein
- the absorption wall of the collimator includes absorption portions arranged along an incident direction of an X-ray from an X-ray source, and
- the absorption portions are arranged at unequal intervals along the incident direction.
A collimator comprising an absorption wall configured to absorb a scattered X-ray, wherein
- the absorption wall includes absorption portions arranged along an incident direction of an X-ray from an X-ray source, and
- the absorption portions are arranged at unequal intervals along the incident direction.
Dependencies are inferred from the claim text.