| 摘要 |
PROBLEM TO BE SOLVED: To provide an endoscope plotting on the screen of an MRI apparatus even in air without increasing the outer diameter of the insertion part of the endoscope. SOLUTION: This endoscope is provided with a channel tube inside of the insertion part of the endoscope formed of non-magnetic member of MRI invisibility. In this case, a channel coil 42 consisting of paramagnetic body is disposed in at least a part of the channel tube 23 to visually recognize the part to disposing the coil 42 by a nucleon magnetic resonance apparatus.
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