Alternative acquisition scheme for coronary angiography

Details Alternative acquisition scheme for coronary angiography Alternative acquisition scheme for coronary angiography

2008-07-22

2008-07-22

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Absorption

C378S205000

Reexamination Certificate

active

07403591

ABSTRACT:
A control processor (30) causes the drives (22, 24, 26) of a mechanical arm scanner to move an x-ray source (12) and a detector along an elliptical trajectory (50). The trajectory can be customized (38) to deviate from a true mathematical ellipse or to be only an arc segment. As the x-ray source and detector move along the trajectory, a large multiplicity of projection images are generated, at least when a contrast agent is present in the region-of-interest. A selectable limited subset of the generated projection images are selected for display in order to make an angiographic diagnosis.

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