Kidney dialysis patient preparing a cannula
Editorial use only
MODEL RELEASED. Kidney dialysis patient preparing a cannula that she has inserted into her own arm while in hospital undergoing dialysis for a kidney disorder. The tube (cannula) in her arm will take blood to and from a dialysis machine. Kidney dialysis (haemodialysis) is used for those with reduced or failing kidney function. A machine is used to remove waste and excess water from the blood, a function normally served by the kidneys. Photographed in the UK.