| 摘要 |
A dialyzer including a substantially cylindrical case 2, a hollow fiber bundle 3 made of a plurality of hollow fiber membranes provided in the case 2, a blood flow path formed by lumens of the hollow fiber membranes, a dialysate flow path formed by a gap between the inner wall of the case 2 and the hollow fiber membranes, and a cylindrical elastic tube 4 inserted in the gap between the inner wall of the case 2 and the hollow fiber bundle 3.
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