| 摘要 |
PURPOSE:To enhance a body fluid treating effect, by specifying the shape of projections, in a hollow fiber film for treating a body fluid provided with projections on the outside surfaces thereof. CONSTITUTION:A hollow fiber consisting of a high molecular weight compound and having selectivity to substances is provided on the outside surface thereof with at least one streak of projection extended spirally at a predetermined angle against the fiber axis. By this, the hollow fibers can be prevented from making entangled contact with each other. Accordingly, when a hollow fiber type body fluid treating device provided with the hollow fibers as a separating means is used, for example, as a blood dialyzer, dialysis can be effectively performed. |
