发明名称 Surgical forceps
摘要 A surgical forceps includes: an insertion portion including, an internal space formed along a longitudinal axis, a distal end portion, and a proximal end portion; a grasping portion provided at the distal end portion of the insertion portion; an operation rod having one end and the other end and arranged in the internal space of the insertion portion, the one end being connected to the grasping portion; an operation portion provided at the proximal end portion of the insertion portion and connected to the other end of the operation rod, the operation portion being configured to operate a movement of the grasping portion; and a portion to be operated provided in the vicinity of the distal end portion of the insertion portion, and connected to the operation rod such that the operation rod is movable according to an operation by an external force.
申请公布号 US9144430(B2) 申请公布日期 2015.09.29
申请号 US201113208009 申请日期 2011.08.11
申请人 OLYMPUS CORPORATION 发明人 Banju Kazuo
分类号 A61B17/00;A61B17/29;A61B17/122;A61B17/128;A61B17/08;A61B17/10 主分类号 A61B17/00
代理机构 Scully, Scott, Murphy & Presser, PC 代理人 Scully, Scott, Murphy & Presser, PC
主权项 1. A surgical forceps comprising: an insertion portion main body including a distal end portion and a proximal end portion in a direction of a longitudinal axis; an opening/closing operation portion main body provided at the distal end portion of the insertion portion main body, and including an internal space formed along the longitudinal axis; a grasping portion provided to the opening/closing operation portion main body, and configured to grasp an object; a first operation portion provided at the proximal end portion of the insertion portion main body, and configured to operate a grasping movement of the grasping portion; an operation rod having one end portion and the other end portion and arranged in the internal space of the opening/closing operation portion main body so as to be movable along a direction of a longitudinal axis of the opening/closing operation portion main body, the one end portion being connected with the grasping portion so as to cause the grasping portion to perform grasping movement by the operation rod moving in the internal space according to operation of the first operation portion to which the other end portion is connected, wherein the opening/closing operation portion main body includes one side hole which communicates between the internal space and outside at a predetermined position on a side surface of the opening/closing operation portion main body, and a second operation portion is provided which includes a grasping portion opening/closing mechanism configured to be arranged in the one side hole, the grasping portion opening/closing mechanism causing the grasping portion to perform grasping movement by moving a distal-end-side operation rod configuring a part of the operation rod along a longitudinal direction of the opening/closing the operation portion main body.
地址 Tokyo JP