| 摘要 |
<p>A hollow yarn membrane made from a polysulfone resin for use in blood purification, which is entirely free from the risk of exudation of the membrane components, can be suitably used for hemodialysis and blood filtration, and can remove selectively and efficiently low-molecular proteins with molecular weights of 10,000 to 30,000 from the blood; and a blood purifier which can be suitably used as a hemodialyzer, hemodialyzer/filter, and blood filter. The membrane has slit micropores with an average width of 0.02 to 0.15 νm on the internal surface thereof and micropores with an average diameter of 0.1 to 1 νm on the external surface thereof, does not have macrovoids with diameters exceeding 10 νm in any of the internal and external surfaces and the interior thereof, and has a water permeation rate of 400 to 2,500 ml/m2.hr.mmHg and a total protein permeability of 1 % or below. The purifier comprises the above membrane put in a tubular housing provided with blood inlet and outlet, and either dialyzate inlet and outlet or filtrate outlet.</p> |
