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2025-07-16
06:12 集計
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Permalink : https://hdl.handle.net/10114/12500
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16_thesis_master14R1133前田翔太郎
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5.22 MB
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学位論文
タイトル
腹腔鏡下手術用ロボットの力覚フィードバックにおける鉗子先端のダイナミクスを用いたスケーリング法
その他のタイトル
Scaling Method of Force Feedback for Laparoscopic Surgical Robot Using Dynamics of Forceps tip
著者
著者名
前田, 翔太郎
著者名
MAEDA, Shotaro
言語
jpn
開始ページ
1
終了ページ
91
発行年
2016-03-24
著者版フラグ
Not Applicable (or Unknown)
学位授与年月日
2016-03-24
学位名
修士(工学)
学位授与機関
機関名
法政大学 (Hosei University)
内容記述
理工学研究科機械工学専攻; 指導教授: 石井千春
抄録
The field of laparoscopic surgery has significantly developed recently due to the development of new techniques as well as the use of various surgical robots. The da Vinci robot developed by Intuitive Surgical Inc. is currently the most advanced surgical robot. This is a master–slave robot with plural robot arms, stereoscopic imaging by the 3D endoscope, and manipulators that imitate the movement of human wrist with seven degrees of freedom (DOF) by the wire drive. Moreover, in recent years, with the increasing development of laparoscopic surgery, single-port surgery (SPS) has gained significant popularity. This procedure is more cosmetically favorable than the conventional laparoscopic surgery. SPS that was conducted using the da Vinci robot by replacing manipulators with those with the SPS’s capable shape is reported. However, da Vinci robot for SPS is not yet in clinical use. To date, medical accidents have been reported during laparoscopic surgery using the da Vinci robot because the robot is unable to provide force feedback to the surgeons. Force feedback is known to have many benefits such as the improvement of the surgeon’s dexterity and the enhancement of the operability of surgical robots in telesurgery. To solve this issue of the current surgical robots, in this study, a six-axis force and torque sensor produced by ATI Co. is attached on an independently developed SPS forceps manipulator. The sensor detects an external force at the tip or shaft of the forceps manipulator, enabling the realization of force feedback by using haptic function of the Omega 7 master device produced by Force Dimension Co. Moreover, a new scaling method based on the beam theory is proposed to enable the improvement of the performance of the force feedback in various laparoscopic surgical robots beyond the SPS robot. Specifically, the detected force is amplified using the proposed scaling method and the amplified force is realized through the haptic device Omega 7. Experiments were conducted to verify the effectiveness of the proposed scaling method. The results showed that the operator of the surgical robot can experience a small force that was applied to the forceps more clearly and quickly compared with that realized when the conventional constant scaling method was used.
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