目的：探讨新型伞状下腔静脉滤网在骨科复杂创伤伴有下肢深静脉急性血栓形成患者中的应用价值。
Objective:To explore the new umbrella inferior vena cava filters in complex orthopedic trauma associated with acute lower extremity deep venous thrombosis.
＂髋支撑关节＂是一种临床骨科用于治疗股骨头缺血坏死症的新型非永久型假体。
The hip support joint is a new nonpermanent prosthesis for the treatment of ischemic necrosis of head of femur in orthopedics.
本实用新型涉及一种可以钻左旋丝孔的骨科医用左旋钻头，它是在一个金 属钻杆上镂刻有左旋凹槽。
The utility model relates to a medical orthopaedics left-hand drill bit for drilling a left-hand thread hole. A metal drill rod is carved with a left-hand groove.
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