作者: Nakai Shota , Nakamura Takuma , Matsuda Yusuke , Fujiki Yuya
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摘要: A double-lumen catheter according to the present invention comprises a circumferential wall 101 forming lumen extending from proximal end distal end, and barrier 102 that divides into first passage 110 second 120 extend in longitudinal direction. The position of is aligned on side side. protruding part 103 protrudes distally beyond 101, has letter-U shape as seen planar view. comprises, section thereof, slit 111 formed by cutting out portion circumferential-direction-center 101.