Application‑based segmentation isolates demand drivers by clinical procedure, reflecting distinct performance criteria and volume profiles. Hemodialysis systems require high‑flux, biocompatible membranes for solute clearance, and they generate the largest share of market activity, estimated at 40 % of application revenue. Blood Gas Analysis devices depend on ultra‑fine PTFE membranes to achieve rapid, accurate O₂/CO₂ diffusion, contributing approximately 25 % of the market. Cell Therapy processes, such as CAR‑T manufacturing, employ sterile, low‑binding membranes to protect cell viability, accounting for about 20 % of application sales. Surgical Suction and intra‑operative lavage rely on robust, disposable membranes for fluid removal, representing the remaining 15 % of the market. This distribution underscores how procedural volume and technical specifications allocate resources within the Medical Filter Membranes market, offering a clear view of the market taxonomy.