Driving force transmission unit, insertion equipment, rotation unit, inserted into the body assembly and insertion device

摘要

driving force transmission unit, by being inserted through the channel from the insertion opening, removably attached to the working unit at the hollow portion, by rotating about a drive shaft in a state of being attached to said actuation unit , to transmit the rotational driving force to the actuating unit. The driving force transmission unit includes a linear portion which extends along said drive shaft in said channel, and a distal end connecting portion connected to said operating unit by the state of being attached to said actuation unit, said actuation unit the in mounted said state comprises a driving force receiving portion from the driving source unit is positioned set to the position for receiving the rotational driving force.