Ultrasonic trans-femur tomography
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概要
- 論文の詳細を見る
For a treatment of bone fractures there has been a locked intramedullary nailing. Since the interlocking nail is connected with the femur by screws against the rotational union, the interlocking nail has been drilled for the screw holes. Therefore it is required to monitor the position of the screw holes of the interlocking nail. X-ray has been conventionally used. In this study an efficacy of ultrasonic trans-femur imaging for monitoring the screw holes through the femur is discussed. B-scan and C-scan imaging by pulse-echo technique are experimentally performed by using ultrasonic pulsed waves of 3. 5MHz and 5. 0MHz in center frequency to determine the position of the holes. In the resultant images of 3. 5MHz the holes are not observed, however, in the images of 5MHz the lower intensity region which is correspondent to the hole is observed. Consequently, it is revealed that ultrasonic trans-femur imaging is capable of monitoring the interlocking nail.
- 社団法人日本音響学会の論文
著者
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AKIYAMA Iwaki
Department of Electrical Engineering, Shonan Institute of Technology
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YAMAMOTO MAKOTO
Department of Mathematics, Chuo University
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Akiyama Iwaki
Department Of Electrical Engineering Shonan Institute Of Technology
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Akiyama Iwaki
Department Of Electrical Engineering Keio University
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TAKAGISHI Kenji
Departments of Orthopedic Surgery, Gunma University Faculty of Medcine
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Itoman Moritoshi
Department of Orthopedic Surgery,Kitasato University
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ITOMAN Moritoshi
北里大学東病院整形外科
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Takagishi Kenji
Department Of Orthopedic Surgery Kitasato University
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Itoman Moritoshi
Department Of Orthopaedic Surgery Kitasato University School Of Medicine
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Itoman Moritoshi
Department Of Orthopedic Surgery Kitasato University
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Yamamoto M
Nagoya Univ. Nagoya‐shi Jpn
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Takagishi Kenji
Department Of Orthopaedic Surgery Graduate School Of Medicine Gunma University
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Yamamoto Makoto
The Department Of Quantum Engineering Nagoya University
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Yamamoto Makoto
Department Of Bacteriology National Institute Of Health
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Akiyama Iwaki
Department of Electrical and Electronic Engineering, Shonan Institute of Technology, Fujisawa, Kanagawa 251-8511, Japan
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