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英文誌(2004-)

Journal of Medical Ultrasonics

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cover

1983 - Vol.10

Vol.10 No.03

Case Report(症例報告)

(0184 - 0187)

リニア電子走査式超音波内視鏡の検討

Evaluation of The Electronic Linear Arrayed Ultrasonic Endoscope

荻野 幸伸, 神津 照雄, 高橋 敏信, 谷口 徹志, 佐藤 博

Yukinobu OGINO, Teruo KOUZU, Toshinobu TAKAHASHI, Tetsushi TANIGUCHI, Hiroshi SATO

千葉大学第二外科

2nd Surgery, Faculty of Medicine, Unversity of Chiba

キーワード : ultrasonic endoscope, electronic linear scanning

Recently, we have used the first and second models of the electronic linear arrayed ultrasonic endoscope manufactured experimently and its utility were evaluated. The first model is using a ordinary side viewing endoscope fixed with a ultrasonic probe measuring 50 mm in the terminal tip. Our experience with this model revealed that the handling within the stomach was not sufficient. Whereas the second model using a forward viewing endoscope that the terminal rigid part is shortened to 45 mm become easier to handle. With these instruments, organs in the epigastric region could be delineated but ultrasonic image of the gastrointestinal tract was not sufficient. Because the probe was too close to the gastrointestinal tract. Thus, we consider that more strengthing the angle deflection structure, development of a high frequency probe as well as attachment of a terminal balloon were needed. With further improvements, the electronic linear arrayed ultrasonic endoscope will be expected to be useful in the ultrasonic diagnosis of the epigastric organs.