| Autor: |
Eiichi, Sato, Akira, Yamadera, Michiaki, Sagae, Toshio, Ichimaru, Norihiko, Morino, Motoki, Ikeda, Chie, Sasaki, Etsuro, Tanaka, Hidezo, Mori, Toshiaki, Kawai, Fumihito, Ito, Shigehiro, Sato, Kazuyoshi, Takayama, Hideaki, Ido |
| Přispěvatelé: |
Department of Physics, Iwate Medical University, Department of Radiological Technology, School of Health Sciences, Hirosaki University, Department of Nutritional Science, Faculty of Applied Bio-science, Tokyo University of Agriculture, Department of Cardiac Physiology, National Cardiovascular Center Research Institute, Electron Tube Division #2, Hamamatsu Photonics K. K., Digital Culutre Technology Corp., Kanno The 2nd Bldg., Department of Microbiology, School of Medicine, Iwate Medical University, Shock Wave Research Center, Institute of Fluid Science, Tohoku University, Department of Applied Physics and Informatics, Faculty of Engineering, Tohoku Gakuin University |
| Jazyk: |
angličtina |
| Rok vydání: |
2004 |
| Předmět: |
|
| Zdroj: |
岩手医科大学教養部研究年報. 39:1-9 |
| Popis: |
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 media. The x-ray generator consists of a main controller, an x-ray tube unit with a high-voltage circuit and an insulation transformer, and a personal computer. 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 1.2×0.8 mm. Sharp cerium K-series characteristic x rays were observed without using a filter, and the x-ray intensity was 209μGy/s at 1.0 m from the source with a tube voltage of 60 kV and a current of 0.40 mA. 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. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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