Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Toshio Take"'
Publikováno v:
Radiological Physics and Technology. 4:24-28
The radiation field shape for cardiac catheterization has changed from being circular to being rectangular with the spread of flat-panel detector systems. A rectangular radiation field provides a wide fluoroscopy field to the four corners of a subjec
Publikováno v:
Japanese Journal of Radiological Technology. 65:755-764
Angiographic cone-beam CT, called DynaCT by SIEMENS, is a 3D imaging tool reconstructed from projection data by a rotational C-arm with a flat panel detector. It can visualize low-contrast objects such as soft tissue or small vessels as well as high-
Autor:
Kyouichi Kato, Hideki Ishida, Yasuo Nakazawa, Toshio Take, Tsugunori Iwai, Ken Zakimi, Masaru Nitta, Mitsuyoshi Kato, Hiroyuki Watanabe
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 70(12)
We analyzed a number of cases about the Linac troubles in our hospital and have examined the effect of preventive maintenance with Weibull analysis and exponential distribution from April 2001 to March 2012. The total failure by irradiation disabled
Autor:
Yasuo Nakazawa, Masayuki Akiyama, Keigo Okabe, Hideki Ishida, Toshio Take, Hajime Saitoh, Shinichi Asanuma
Publikováno v:
Japanese Journal of Radiological Technology. 62:1575-1583
The management of apparatus for diagnostic imaging is an important job for radiological technologists. In the last 10 years we have encountered 2227 malfunctions in 3652 days. We detected 163 cases at the initial check-up, which accounted for 7.3% of
Autor:
Kouichi Sugiyama, Yasuo Nakazawa, Tatsuo Fukuchi, Hirosi Amauchi, Tokio Igarashi, Hiroyuki Sekiguchi, Osamu Wakamatsu, Toshio Take, Ryouzou Nabekura, Tsugio Satou
Publikováno v:
Japanese Journal of Radiological Technology. 57:953-962
Autor:
Masami Nakamura, Norikazu Kaneko, Kyoichi Kato, Tsugunori Iwai, Yasuo Nakazawa, Hajime Saito, Toshio Take
Publikováno v:
Japanese Journal of Radiological Technology. 57:59-67
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 67(5)
We developed software for estimating exposure doses and radiation exposure regions in cardiac catheterization inspection. In the software, the back of a thoracic phantom were divided into a total of 21 square blocks with a width of 30 degrees. Furthe
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 63(11)
A variety of radiation hazards resulting from interventional radiology (IVR) have been reported in recent years. Particularly affected are the skin and the crystalline lens, with their high radiation sensitivity. During neurological interventions, th
Autor:
Y. Mochiduki, Yasuo Nakazawa, Hajime Saito, Masami Nakamura, Kyoichi Kato, Toshio Take, Kimiyuki Nakamura, Tsugunori Iwai, Syogo Sai
Publikováno v:
Japanese Journal of Radiological Technology. 54:89
Autor:
Toshio Take, T. Nishizawa, Yasuo Nakazawa, M. Ito, Masaru Nitta, Hisaya Sato, Kyoichi Kato, Hiroshi Ishii
Publikováno v:
Japanese Journal of Radiological Technology. 53:119