Patent ID: 9500851
Filing Date: 2016-11-22
CPC Classification: A61B,F16L,G01D,G02B

Claim Text:
1. An endoscope comprising: an insertion portion that is inserted to a portion to be observed and is provided with a bending portion bendable in at least two directions relative to an insertion axis direction; an operation portion continuously connected to a proximal end side of the insertion portion; a pulling member with a distal end connected to the bending portion, the pulling member causing the bending portion to bend by pulling; a bending operation member to which a proximal end of the pulling member is connected, the bending operation member being provided to be swingable about a fulcrum provided on the operation portion, the bending operation member giving pulling force to the pulling member by swinging; an operation force reduction portion including a first end portion and a second end portion, the first end portion being connected in a swingable manner to the bending operation member at a connection portion protruding at a predetermined height from the fulcrum, the operation force reduction portion including an elastic member that can press the bending operation member through the first end portion; and a switch operation member that makes a switch to a pressing state, in which the elastic member presses the bending operation member, and to a non-pressing state.