Importance

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Abstract

A flexible tube assembly according to the present disclosure includes a multiple tube having at least a first tubular member that has an elongated shape and is hollow and a second tubular member that has an elongated shape and is disposed inside the first tubular member in such a manner as to be capable of advancing and retreating relative to the first tubular member; and a hand operation unit that is provided on a proximal side of the multiple tube and operates at least the first tubular member and the second tubular member. The hand operation unit includes a curving operation unit that is connected to the first tubular member or the second tubular member and curves the first tubular member or the second tubular member that is connected, a slide unit that causes the second tubular member to make slide movement relative to the first tubular member, and a switching operation unit that makes switching between a state in which the first tubular member and the second tubular member are fixed to each other and a state in which fixing between the first tubular member and the second tubular member is released.

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First Claim