👉 A dialyser, also known as a dialysis machine, is a device that purifies blood to remove excess waste products. It uses a process called ultrafiltration to separate the plasma from the remaining red and white blood cells, proteins, and other substances in the blood. The process works by using a series of membranes to create a semi-permeable membrane-like filter that captures and removes the unwanted substances. The resulting plasma is then filtered back into the bloodstream to be reintroduced into the