Dynamic radiographic image obtaining method and apparatus

Details Dynamic radiographic image obtaining method and apparatus Dynamic radiographic image obtaining method and apparatus

2005-03-28

2010-11-02

Winakur, Eric F (Department: 3768)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C378S008000

Reexamination Certificate

active

07826888

ABSTRACT:
A method and apparatus for obtaining a dynamic radiographic image with enhanced resolution, in which an electrocardiogram of a subject is obtained, and five time phases are allocated to each cardiac beat period (1 second). The initial X-ray irradiation is performed at 1sttime phase of 1stbeat to obtain a radiographic image. Thereafter, X-ray irradiations are performed sequentially at 2ndtime phase of 2ndbeat, at 3rdtime phase of 3rdbeat, at 4thtime phase of 4thbeat, and at 5thtime phase of 5thbeat to obtain respective radiographic images. The five radiographic images obtained are combined at the time interval of 0.2 seconds to be displayed as a motion image. The time interval between the irradiations of the X-ray is 1.2 seconds, so that image signals corresponding to 1stto 5thtime phases may be obtained with high resolution.

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