therapeutic and assistive devices used for persons with kidney failure or kidney injury; apparatus, devices and articles for renal replacement therapy (RRT); apparatus, devices and articles for continuous renal replacement therapy (CRRT); artificial kidney device; hemodialysis device; liver dialysis device; peritoneal dialysis device; portable dialysis devices; apparatus, devices and articles for home hemodialysis; apparatus, devices and articles for replacing impaired organ functions; appara...