Hollow Fiber Dialyzers
A hollow fiber dialyzer bundle comprises 7–17 x 103 semipermeable hollow fibers that allow solute and fluid transfer between blood and dialysate. Typical fibers have an internal diameter of 180–200 microns and wall thickness of 30–40 microns, yielding 1.0–2.5 m2 of surface area. Fibers may have features, such as undulations, to distribute dialysate flow evenly through the fiber bundle.
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