PROBLEM TO BE SOLVED: To provide a surgical operation support device, capable of intuitively operating a treatment part even when a surgical operation instrument changes in projection length and rotation angle.SOLUTION: A surgical operation support device includes: an operation input part for generating an operation command based on the input from a user an operation part where a channel 50 for penetrating a surgical operation instrument 200 provided with a treatment part at the tip part of a soft surgical operation insertion part 210 is formed for moving the channel travel detecting means 45 for detecting the travel of the treatment part which is at least one of a projection length L1 how the treatment part of the surgical operation instrument penetrating the channel projects forward from a tip opening 68a of the channel and the rotation angle of the surgical operation instrument around the axis C1 of the channel operation part information calculating means for calculating operation part information which can specify the position and attitude of the operation part at the tip opening and an operation control part for controlling the operation of the operation part based on an operation command.COPYRIGHT: (C)2014,JPO&INPIT【課題】術具が突出する突出長さや回転角度が変わった場合であっても処置部を直感的に操作することができる手術支援装置を提供する。【解決手段】手術支援装置は、使用者からの入力に基づいて操作指令を発する操作入力部と、軟性の術具挿入部210の先端部に処置部が設けられた術具200を挿通可能なチャンネル50が形成され、チャンネルを移動させる動作部と、チャンネルに挿通された術具の処置部がチャンネルの先端開口68aから前方に突出する突出長さL1、および術具のチャンネルの軸線C1周りの回転角度の少なくとも一方である処置部移動量を検出する移動量検出手段45と、動作部の先端開口における位置及び姿勢を特定可能な動作部情報を算出する動作部情報算出手段と、操作指令に基づいて、動作部による動作を制御する動作制御部とを備える。【選択図】図5
