【摘要】 作者研制了一套多功能髓芯减压器。其具有以下功能：（１）髓芯减压；（２）取活检病理；（３）切刮病变区坏死骨；（４）取骨、植骨；（５）取骨内断钉。临床应用３４例（４６个髋），随访１８周，疗效满意。更多还原

【Abstract】 Abstract A newly designed multifunctional intramedullarydecompressor has been introduced in this paper. It hasthe following functions :( 1 )intramedullary decompres- sion of femoral head; ( 2)curettage of necrotic bone;(3)biopsying(4)taking out iliac bone and placingbone graft;(5)taking out broken snail.Thirty fourcases of 46 avascular necrotic femoral heads have been treated by using this decompressor,all cases had satis- factory results 18 weeks after operation.更多还原