Thermal Care Cuff is intend to be used for daily thermal therapy on arteriovenous fistula of hemodialysis (dialysis) patients in order to promote fistula function and prolong fistula lifespan. Arteriovenous fistula is the lifeblood of all hemodialysis patients. Daily thermal therapy on arteriovenous fistula can be used to maintain blood vessel flexibility, promote blood circulation, increase blood flow of fistula and relieve pains or discomforts after hemoialysis.