| 摘要 |
An endomedullary nail for the treatment of proximal femur fractures, comprising an elongate body ( 12 ) having a proximal portion ( 14 ) and a distal portion ( 16 ). The proximal portion ( 14 ) has a first and a second hole ( 20, 21 ) for a respective cephalic screw ( 22, 23, 24, 25 ), each having a transversal axis to the axis of the proximal portion ( 14 ). The first hole ( 20 ) is split into two passages each having a respective axis (A, B) with a predetermined angle relationship with respect to the axis (C) of the second hole ( 21 ). The passages ( 30, 31 ) are arranged to be selectively engaged by a respective cephalic screw ( 22, 24 ).
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