| 摘要 |
A multi-branched tube has a check valve structure, a main conduit adapted to be inserted into a blood vessel with its distal end, a first port tube leading to an inner chamber in the check valve structure, and a second port tube connected to the check valve structure. A blood flow stopper balloon is mounted on an outer periphery of the main conduit at a portion closer to its distal end. The main conduit has a first guide bore and a second guide bore, which are two separate guide bores. The blood flow stopper balloon is adapted to be inflated/deflated by a pressure of a fluid supplied thereinto through the second port tube and the second guide bore. Thrombus debris or the like in the blood vessel can be drawn and removed together with the blood through the first port tube, the inner chamber and the first guide bore.
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