Development of instruments to assist accurate puncture of liver tumors for MRI-guided microwave ablation:-From a simple spacer to a motorized robot-
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概要
- 論文の詳細を見る
In MR-guided microwave ablation of liver tumors, real-time MR images including the needle path and the target tumors were essential for accurate puncture. An optical tracking system, integrated in the MR system, played a very important role for the interactive scan plane control. The optical tracking system, however, had some limitations caused by the line of sight between the LEDs and detectors. In addition, the LEDs were slightly ferromagnetic. To solve the problems of this tracking system, we prepared various adaptors for the hand piece. Then, we procured less magnetic LEDs with compatible performance and created new original hand pieces. A hybrid tracking system with optical and electromagnetic detections was also constructed and seamless navigation was enabled. Finally, an MR-compatible motorized robot was developed to chase the preset target point automatically. With these devices to track the target, more convenient and accurate puncture of liver tumor was realized under MR image guidance.
- 特定非営利活動法人 Microwave Surgery研究会の論文
著者
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Morikawa Shigehiro
Biomedical Mr Science Center Shiga University Of Medical Science
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INUBUSHI Toshiro
Biomedical MR Science Center, Shiga University of Medical Science
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Naka Shigeyuki
Department Of Surgery Shiga University Of Medical Science
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Shiomi Hisanori
Department Of Surgery Shiga University Of Medical Science
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Inubushi Toshiro
Biomedical Mr Science Center Shiga University Of Medical Science
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Murakami Koichiro
Department Of Surgery Shiga University Of Medical Science
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Tani Tohru
Department Of Surgery Department Of Medicine Shiga University Of Medical Science
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Haque Hasnine-A.
GE Healthcare
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Kurumi Yoshimasa
Department of Comprehensive Surgery, Shiga University of Medical Science
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Murayama Hiroyuki
Department of Surgery, Shiga University of Medical Science
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- Development of instruments to assist accurate puncture of liver tumors for MRI-guided microwave ablation:-From a simple spacer to a motorized robot-