| 摘要 |
A needle-like tubular body ( 12 ) with its tip formed as a needle, a first guide wire ( 14 ), and a second guide wire ( 16 ) are inserted into a main tube ( 10 ). A first opening and a second opening ( 28 and 36 ) through which a first guide wire and a second guide wire ( 14 and 16 ) are respectively extended out of the main tube ( 10 ) are provided in the main tube ( 10 ). A projection aperture ( 32 ) through which the needle of the needle-like tubular body ( 12 ) is projected out of the main tube ( 10 ) is provided in the main tube ( 10 ). A support tube ( 60 ) that supports the part of the second guide wire ( 16 ) extending from the second opening ( 36 ) is further provided in the main tube ( 10 ).
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