Very quickly, they found that if you put cement in the bone of the patient before you put the metal shaft in, it actually lasted a lot longer, and most patients would never have to be re-operated on in their lifetime.
すると直ちに 患者の骨へ金属シャフトを 入れる前に セメントを注入すると 耐久性が増し 殆どの患者は再手術を必要としない ということがわかりました