1 results about "Left thumb" patented technology

This invention discloses an endoscope operating device and an endoscope. The operating device includes: a housing having a gripping area for hand gripping and an operating area adjacent to one end of the gripping area; a bending function knob assembly capable of rotating about a rotation axis to bend a bending portion located in an insertion portion; a plurality of function button assemblies connected to the housing and located in the operating area; a support portion protruding from the first surface of the gripping area of ​​the housing, supporting the user's left thumb and index finger when gripping the gripping area, the support portion being closer to the front end of the housing than the bending function knob assembly; and a thumb-base fitting area formed by the continuous transition between the first surface of the gripping area and the adjacent surfaces of the support portion, including an index finger-side support area, a transition area, and a thumb-side covering area arranged sequentially along the gripping direction. By matching the natural curvature of the user's left hand with the thumb-base fitting area, fatigue accumulation can be reduced, and comfort during long-term operation can be improved.