Possible application of plasma x-ray source to clinical radiography

被引：0

作者：

Nakajima, Y ^{[1
]}

Sato, E ^{[1
]}

Tanioka, K ^{[1
]}

Kawai, T ^{[1
]}

Tanaka, E ^{[1
]}

Kobayashi, W ^{[1
]}

Yamamoto, Y ^{[1
]}

Fujii, M ^{[1
]}

Shinozaki, Y ^{[1
]}

Kan, Y ^{[1
]}

Hyodo, K ^{[1
]}

Ando, M ^{[1
]}

Mori, H ^{[1
]}

机构：

[1] Tokai Univ, Sch Med, Dept Physiol, Isehara, Kanagawa 25911, Japan

来源：

24TH INTERNATIONAL CONGRESS ON HIGH-SPEED PHOTOGRAPHY AND PHOTONICS | 2001年 / 4183卷

关键词：

synchrotron radiation; plasma flash x-ray; penetrating transmural artery; slosh phenomenon; angiogenesis; lacunar stroke;

D O I：

10.1117/12.424300

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Small amount of iodine contrast material in the small vessels can be efficiently detected by monochromatic synchrotron radiation (x-ray) tuned at just above k-edge of iodine (33KeV). However, the serious disadvantage of the system is a high cost for the facility to obtain synchrotron radiation (x-ray). We are trying to apply a plasma x-ray source for this purpose. In this system, the high voltage main condenser is charged up to 60 KeV by a power supply. The electric charges in the condenser are discharged to the tube after triggering the cathode electrode. For a cerium plasma target, a highly intensified K alpha and K beta characteristic x-ray of cerium (34.6 KeV and 38.3 KeV) was produced, as bremsstrahlung x-ray was absorbed and converted into fluorescent x-ray. Plasma x-ray source might be an alternative of monochromatic synchrotron radiation for small vessel radiography.

引用

页码：365 / 372

页数：8

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