Segmentation by Types classifies dialyzers according to membrane permeability and construction material, primarily into Low‑flux, High‑flux, and Medium cut‑off (MCO) categories, with further sub‑classification into synthetic (e.g., polysulfone, polyethersulfone) and cellulose‑based membranes. Low‑flux dialyzers, characterized by limited solute clearance, remain prevalent in legacy systems and cost‑sensitive markets, contributing a modest share of the market due to lower pricing but limited clinical advantage. High‑flux devices, offering enhanced middle‑molecule removal, dominate the mainstream segment, reflecting clinicians’ preference for improved patient outcomes and higher reimbursement rates. MCO dialyzers, engineered for expanded clearance without compromising safety, are gaining traction in advanced therapy centers, representing a fast‑growing niche. Material choice impacts durability, biocompatibility, and manufacturing complexity; synthetic membranes command premium pricing, while cellulose‑based options occupy lower‑margin tiers. This taxonomy informs product portfolio decisions and aligns R&D investment with evolving clinical guidelines.