专利名称：Rotationally asymmetric bone screw 发明人：MARK B. SOMMERS,MICHAEL BOTTLANG 申请号：AU2007346619
申请日：20071128
会计凭证装订机
公开号：AU2007346619B2
公开日：
舞蹈把杆20110414
看门狗电路摘要：Embodiments of the present invention provide rotationally asymmetric bone screws. Embodiments of the present invention provide mechanisms that reduce the bending stiffness of conventional shaft bone screws in order to yield a less-rigid fixation construct. Such a less-rigid construct enables a controlled amount of motion at a fracture site which in turn promotes bone healing. As a means to reduce the bending stiffness of positive-locking bone screws, embodiments of the present invention provide a bone screw having a non-circular cross-section over parts of the screw length and/or longitudinal slots along at least a portion of the bone screw.
图像火焰探测器申请人：APEX BIOMEDICAL COMPANY, LLC
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