Compact x-ray generator utilizing cerium-target tube for angiography

Eiichi Sato; Etsuro Tanaka; Hidezo Mori; Toshiaki Kawai; Fumihito Ito; Toshio Ichimaru; Shigehiro Sato; Kazuyoshi Takayama; Hideaki Ido

doi:10.1117/12.560534

3 November 2004 Compact x-ray generator utilizing cerium-target tube for angiography

Eiichi Sato, Etsuro Tanaka, Hidezo Mori, Toshiaki Kawai, Fumihito Ito, Toshio Ichimaru, Shigehiro Sato, Kazuyoshi Takayama, Hideaki Ido

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Proceedings Volume 5537, X-Ray Sources and Optics; (2004) https://doi.org/10.1117/12.560534
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

The cerium-target x-ray tube is useful in order to perform cone beam K-edge angiography because K-series characteristic x rays from the cerium target are absorbed effectively by iodine-based contrast mediums. The x-ray generator consists of a main controller and a unit with a high-voltage circuit and a fixed anode x-ray tube. The tube is a glass-enclosed diode with a cerium target and a 0.5 mm-thick beryllium window. The maximum tube voltage and current were 65 kV and 0.4 mA, respectively, and the focal-spot sizes were 1.3×0.9 mm. Cerium K-series characteristic x rays were left using a 3.0 mm-thick aluminum filter, and the x-ray intensity was 0.59 μC/kg at 1.0 m from the source with a tube voltage of 60 kV, a current of 0.40 mA, and an exposure time of 1.0 s. Angiography was performed with a computed radiography system using iodine-based microspheres 15 μm in diameter. In angiography of non-living animals, we observed fine blood vessels of approximately 100 μm with high contrasts.

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Eiichi Sato, Etsuro Tanaka, Hidezo Mori, Toshiaki Kawai, Fumihito Ito, Toshio Ichimaru, Shigehiro Sato, Kazuyoshi Takayama, and Hideaki Ido "Compact x-ray generator utilizing cerium-target tube for angiography", Proc. SPIE 5537, X-Ray Sources and Optics, (3 November 2004); https://doi.org/10.1117/12.560534

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KEYWORDS

X-rays

Angiography

Cerium

Iodine

Blood vessels

Medical research

Aluminum

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