The goods to be purchased cover a wide spectrum: dialyzers with cellulose triacetate membrane (various areas), low-surface-area dialyzers for children, arterial and venous fistula needles (various sizes), double-lumen and triple-lumen straight/long-term venous catheters for hemodialysis (various sizes and shapes), membrane caps, fistula clamps, access line fixation devices, extension line (connector), waterproof sleeves for central venous catheters, dressing…