Thereafter , he was admitted to the hospital seven more times due to septic arthritis , and underwent debridement , sequestrectomy and right above - knee amputation 之后,病人陸續(xù)因兩膝敗血性關(guān)節(jié)炎前后住了七次院,并接受擴(kuò)創(chuàng)術(shù)、人工關(guān)節(jié)取出術(shù)、腐骨切除術(shù)、抗生素置入術(shù)、及右膝上截肢術(shù)等。