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发明申请
US20080091172A1 Medical tube inserted in body cavity of patient and medical device set using the same 审中-公开
医用管插入患者的体腔和使用其的医疗器械组

Medical tube inserted in body cavity of patient and medical device set using the same
摘要：
The medical tube inserted into a body cavity of a patient includes a flexible tube and a magnet provided at the tip end portion of the tube for electromagnetically detecting the position of the tip end portion of the tube inserted in the body cavity, from outside the body. This magnet includes a plurality of magnet pieces arranged in the length direction of the tube to have a column-like shape as a whole. The direction of magnetic pole of the magnet is set to the length direction of the tube. Therefore, since the magnet is divided into a plurality of magnet pieces, even a magnet increased in size can be inserted smoothly into a body cavity of a patient.
摘要（中）：

插入患者体腔的医用管包括柔性管和设置在管的前端部的磁体，用于电磁检测插入体腔内的管的前端部从身体外部的位置 。 该磁体包括沿着管的长度方向排列的整个具有柱状形状的多个磁体片。 磁体的磁极方向设定在管的长度方向。 因此，由于磁体被分割为多个磁体片，所以即使是尺寸增大的磁体，也能平滑地插入患者体腔。

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