Search Results 1-16 of 16

  • Technical Notes for Prevention of Troubles in STA-MCA Bypass  [in Japanese]

    IKEDA Toshiki , KIKKAWA Yuichiro , FUSHIHARA Goji , KURITA Hiroki

    … For gentle handling of blood vessels, attention should be paid to manipulation of the recipient/donor artery, processing method of small arterial branches, and handling method of the suturing needle. … For proper suturing, attention should be paid to prevent suturing the opposite side, for suturing to adhere each inner membrane, and proper thread knotting, such as the Square knot. …

    Surgery for Cerebral Stroke 46(4), 254-261, 2018

    J-STAGE  Ichushi Web 

  • Points, lines, and a plane in 3-dimensions to understand the tying of an easy laparoscopic knot  [in Japanese]

    Nishi Takenori

    … Some of the technical limitations in mastering this method are: a restricted range of manipulation of the instrument through the port placement sites, a narrow operative field, and a difficult visualization along with a decreased 3-dimensional spatial understanding while tying the knot. … In the Swing method, the tips of the instruments in both hands are swung from right to left along the surface of an imaginary plane that contains the two port placement sites and the knotting point in a line. …

    JAPANESE JOURNAL OF GYNECOLOGIC AND OBSTETRIC ENDOSCOPY 33(1), 223-228, 2017

    J-STAGE  Ichushi Web 

  • 2A1-K05 Rope Deformation Control using a High-speed Motion of a Robot Arm(Flexible Robot/Mechanism and its Control)  [in Japanese]

    YAMAKAWA Yuji , NAMIKI Akio , ISHIKAWA Masatoshi

    … Finally, we show the dynamic knotting of the flexible rope as an example of the rope deformation control. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2011(0), _2A1-K05_1-_2A1-K05_4, 2011

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  • 2A2-G07 Dynamic Manipulation of a Linear Flexible Object by a High-speed Robot Arm  [in Japanese]

    YAMAKAWA Yuji , NAMIKI Akio , ISHIKAWA Masatoshi

    … This paper explains the dynamic manipulation of a linear flexible object with a high-speed robot arm. … As an example of the dynamic manipulation, we perform the dynamic knotting of a flexible rope. … First, the dynamic knotting by human is analyzed in order to extract the arm motion. … From the experimental result, the rope behavior during the high-speed dynamic manipulation can be approximated by the robot arm motion. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2009(0), _2A2-G07_1-_2A2-G07_4, 2009

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  • 機械システムによる線状物体の結び操作計画と実行  [in Japanese]

    Fujiyama Jiro , Wakamatsu Hidefumi , Morinaga Eiji , Arai Eiji

    本研究では、線状物体の結び操作計画と実行を自動的に行う機械システムを提案する。まず、初期形状から目標形状まで遷移可能な位相形状の移り変わりを全て導出する。次に、これらを評価し、選択された位相形状の移り変わりを満足するような幾何形状の移り変わりをシミュレーションにより求める。更に、得られた幾何形状の移り変わりからマニピュレータの軌道を導出し、結び操作を行う。

    Proceedings of JSPE Semestrial Meeting 2008S(0), 781-782, 2008

    J-STAGE 

  • 1P1-A09 Knotting Manipulation by a Multifingered Hand based on Skill Synthesis  [in Japanese]

    YAMAKAWA Yuji , NAMIKI Akio , ISHIKAWA Masatoshi , SHIMOJO Makoto

    … This paper illustrates the relationship between the knotting process and robot hand skills. … To extract a necessary hand skill for knotting, the knotting motion by human is analyzed. … Based on the analysis of knot and the characteristics of robot hand skill, the knotting process is described. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2008(0), _1P1-A09_1-_1P1-A09_4, 2008

    J-STAGE 

  • 若者 結び・結ぶ・結べ  [in Japanese]

    若松 栄史

    生産と技術 55(4), 20-22, 2003

  • Modeling of Linear Object Deformation Including Knotted Shape  [in Japanese]

    Wakamatsu Hidefumi , Kato Tsunenori , Tsumaya Akira , Shirase Keiichi , Arai Eiji , Hirai Shinichi

    … Such manipulative tasks include knotting. … Therefore, it is important for linear object manipulation to analyze knotting. …

    Transactions of the Virtual Reality Society of Japan 8(3), 287-294, 2003

    J-STAGE  References (12) Cited by (1)

  • Knotting Rope by Learning from Visual Examples

    MIYAZAKI Maiko , IKEUCHI Katsushi

    これまで柔軟物操作の分野において、プランニングと操作の手法は別々に研究されてきた。しかし、両者を統合して一つの柔軟物操作システムを構築しようとすると実装上の様々な問題を解決する必要が出てくる。本研究では紐結び作業を行うシステムを実装する新たな手法を提案する。紐結び作業のプランニングには観察による紐結び動作学習(KPO)パラダイムを利用し、人間の示す手本から効率的に紐結びのプランを生成した。紐の操作 …

    IPSJ SIG Notes. CVIM 149, 187-194, 2005-05-12

    References (10) Cited by (1)

  • Dynamic Manipulation of a Flexible Rope using a High-speed Robot Arm  [in Japanese]

    YAMAKAWA Yuji , NAMIKI Akio , ISHIKAWA Masatoshi

    … The purpose of this study is to perform a dynamic manipulation of a linear flexible object. … As examples of the dynamic manipulation, shape controls and a dynamic knotting of a flexible rope are achieved by a high-speed robot arm. … First, an entirely new strategy for dynamic manipulation of the flexible rope with the high-speed robot is introduced. …

    Journal of the Robotics Society of Japan 31(6), 628-638, 2013-07-15

    J-STAGE  References (16)

  • Knotting Plan based on Synthesis of Manipulation Skills with Considerations of Robot Hand Mechanism and Motion  [in Japanese]

    YAMAKAWA Yuji , NAMIKI Akio , ISHIKAWA Masatoshi , SHIMOJO Makoto

    This paper demonstrates the relationship between the production process of a knot and robot hand skills. First, we define the descriptions (rope intersection and fixed position) of a knot. Next, the c …

    Journal of the Robotics Society of Japan 31(3), 283-291, 2013-04-15

    J-STAGE  References (12)

  • Knotting Manipulation of a Flexible Rope Using a High-speed Multifingered Hand and High-speed Visual and Tactile Sensory Feedback  [in Japanese]

    YAMAKAWA Yuji , NAMIKI Akio , ISHIKAWA Masatoshi , SHIMOJO Makoto

    This paper proposes a new strategy for making knots with a high-speed multifingered robot hand with tactile sensors and visual sensor. The strategy is divided into three skills: loop production, rope …

    Journal of the Robotics Society of Japan 27(9), 1016-1024, 2009-11-15

    J-STAGE  References (14) Cited by (4)

  • Topological Manipulation Planning for Knotting and Tightening of Deformable Linear Objects Based on Knot Theory  [in Japanese]

    WAKAMATSU Hidefumi , TSUMAYA Akira , ARAI Eiji , HIRAI Shinichi

    … A planning method for knotting and tightening of deformable linear objects is proposed. … Possible sequences of crossing state transitions, that is, possible manipulation processes can be generated once the initial and the objective states are given. … Secondly, a method to determine grasping points and their moving direction is proposed in order to realize derived manipulation processes. …

    Journal of the Robotics Society of Japan 24(4), 523-532, 2006-05-15

    J-STAGE  References (8) Cited by (3)

  • Linear Object Manipulation Including Knotting/Unknotting  [in Japanese]

    WAKAMATSU Hidefumi , TSUMAYA Akira , ARAI Eiji , HIRAI Shinichi

    … A planning method for linear object manipulation including knotting/unknotting in the three-dimensional space is proposed. … Then, we can generate possible sequences of crossing state transitions, that is, possible manipulation processes from the initial state to a given objective state. … Thirdly, a method for determination of actions, that is, grasping points and their moving direction, is proposed in order to realize derived manipulation processes. …

    Journal of the Robotics Society of Japan 23(3), 344-351, 2005-04-15

    J-STAGE  References (9) Cited by (5)

  • Planning of Linear Object Manipulation Including Knotting  [in Japanese]

    TANAKA Yusuke , WAKAMATSU Hidefumi , TSUMAYA Akira , SHIRASE Keiichi , ARAI Eiji

    日本バーチャルリアリティ学会大会論文集 = Proceedings of the Virtual Reality Society of Japan annual conference 7, 181-182, 2002-09-18

    References (1)

  • A case of knotting of the pulmonary artery catheter in a patient undergoing percutaneous cardiopulmonary support  [in Japanese]

    TORIYABE Masaki , KOBAYASHI Yasuo , KOKITA Naohiro , SEKINE Rika , ICHIMIYA Takahiro , NAMIKI Akiyoshi

    経皮的心肺補助装置(percutaneous cardiopulmonary support, PCPS)施行中に肺動脈カテーテル(pulmonary artery catheter, PAC)の挿入を試みたが,右心室,肺動脈への誘導が困難で,イントロデューサからの出し入れを頻回に行っているうちに結節を形成し抜去不能となった症例を経験した。偶然にも同日,縦隔出血に対する開胸止血術が施され,用手的に …

    Journal of the Japanese Society of Intensive Care Medicine 8(2), 115-117, 2001-04-01

    J-STAGE  Ichushi Web  References (6)

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