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髖關節置換手術

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Uploaded by on Nov 3, 2011

髖關節屬於球窩關節,球形由大腿骨(股骨)頂部形成,套入骨盆的關節窩(髖臼)內。置換新的髖關節有助改善行動和減少痛楚。這項手術一般會全身麻醉,即病人在整個手術過程­中睡着,但亦可區域麻醉(在腰部注射麻醉藥),病人骨盆範圍及雙腿毫無感覺但整個過程清醒。麻醉藥發揮效用後,醫生便會沿着髖和大腿骨切開,將髖關節脫開以接觸受損的關節­窩及腿骨頂部,切除窩內受損軟骨,再裝上金屬杯。大腿骨頂端亦會切除,在腿骨裝上有柄的金屬球,這個人工球關節會套進新的窩內。新的髖關節置換完成後,醫生會用線或鋼釘縫­合皮膚。

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