A medical procedure tool equipped with: a flexible linear material for carrying out a specific procedure to a biological tissue; a linear material holding member provided covering the linear material in a freely advancing and retracting manner, for holding the linear material; a flexible first sheath provided so as to come into contact with the base end side of the linear material holding member; a flexible second sheath provided so as to be freely advancing and retracting with respect to the first sheath and the linear material holding member; an operator for advancing and retracting manipulation of the second sheath; and a cutting means for cutting the linear material; wherein the cutting means is provided with a first cutting part provided to the linear material holding member; and a second cutting part that is provided to the front end of the second sheath and which, together with the first cutting part, grips the linear material there between; and one of either the first cutting part or the second cutting part is a blade member.