HEMIARTHROPLASTY, #partialhipreplacement #totalhipreplacement. Old age patients suffer from fracture neck femur that's the fracture near the ball of head of hip. At this age the fracture rarely unites. So arthroplasty or hemiarthroplasty is done that is replacing natural head with metal and plastic joint.. patient gets immediate pain relief .. Can be made to walk next day( conditions apply). Nursing care becomes very easy.