As for this invention, in regard to the device in order to incise in the interest territory of the patient, as for the said device, being the blade section and the aforementioned blade in order to form incision, stipulating the power which is vertical on the said blade, from position before the operating the aforementioned blade and the said blade which are installed in the energization expedient which the said blade in taking shelter position energization is done, beforehand of being kept, the said blade contacting the interest territory of the aforementioned patient, passing the operative position which incises, when trigger expedient and the aforementioned blade in order to make move to position after the operating move at operative position,Being the guide expedient which guides the route of aforementioned blade, when the aforementioned blade section, being operative position, in order the aforementioned guide expedient to engage, route of the aforementioned blade which to operative position is by being set, is guided, to include with guide expedient, as for the aforementioned device, furthermore, being the housing which accommodates the said device, as for the said housing, to possess the long slot in one end, the aforementioned blade passing by the said housing in operative position, extending to put out to said slot, the said blade passing by the said housing, in the position before the operating and after the operating, saidExtending it does not put out to the slot, the housing is included, the aforementioned blade and energization expedient and the aforementioned trigger expedient, are one body mutually, the plate is formed.本発明は、患者の関心領域に切開を行うための装置に関し、該装置は、切開を形成するためのブレード部と、前記ブレードであって、該ブレード上に垂直な力を規定して、該ブレードを待避位置に付勢する付勢手段に取り付けられた前記ブレードと、該ブレードを、予め保持されていた操作前位置から、該ブレードが前記患者の関心領域に接触して切開を行う操作位置を経て、操作後位置へと移動させるためのトリガー手段と、前記ブレードが操作位置で移動するときに、前記ブレードの経路を案内する案内手段であって、前記ブレード部が、操作位置にあるときに、前記案内手段と係合するように設定されていることによって、操作位置にある前記ブレードの経路が案内される、案内手段とを含み、前記装置は、さらに、該装置を収容するハウジングで
