PROBLEM TO BE SOLVED: To provide a medical tube capable of securing its smooth insertion into a body cavity of a patient even if a magnet of the medical tube having the magnet inserted at its distal end has a sufficient length for highly sensitively and accurately detecting the position of the magnet.SOLUTION: This medical tube is a flexible tube (a) inserted into the body cavity of the patient and having the insertion magnet B electromagnetically detected from the body outside, inside the distal end in the body cavity insertion side wherein the magnet B consists of a plurality of magnet pieces (b) disposed with each other in a vertical line.COPYRIGHT: (C)2008,JPO&INPIT【課題】先端部内に磁石を挿着した医療用チューブの磁石寸法を、磁石位置を高感度、高精度で検出するのに充分な長さとしても、患者の体腔内へのスムーズな挿入を保障できる医療用チューブを提供する。【解決手段】患者の体腔内に挿入され、体腔内挿入側端部内の挿着磁石Bが体外から電磁的に検出される可撓性のチューブaであり、磁石Bが複数個の互いに縦列配置された磁石片bから構成されている。【選択図】図1-1
