| 摘要 |
PURPOSE: A catheter is provided, which can improve work efficiency, keeps tension of a filament constant, and keeps the bent shape of the tip-end part of a tube constant. CONSTITUTION: A catheter comprises: a hollow tube(10); a filament connected to the tube; and a locking device(30) in which one end of the filament and tube is fixed. The locking device includes: a flow path in which the material passes through; a body member(40) having a through-hole through which the filament passes; a supporting member(60) which is fixed to the outside of the body member and has a first projection; and a slide member(70) which is connected to the supporting member and has a second projection inserted into the guide groove of the supporting member.
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