| 摘要 |
<p>The object of the invention is a rachis ostheosynthesis device with pedicular screws of the type comprising a pin (1) having a threaded ogival shape and a threaded head (3) which are separated by a hexagonal body (2), said screws being connected by a linking element (5, 6), characterized in that it is comprised, additionally, of an unique fixing part (7, 8) provided with a hole (9) for the passage of said threaded head to which is screwed a nut (4, 4') for locking the assembly consisting of the fixing part (7. 8) and of the linking element (5, 6) on the head (3), one of the two members, that is to say either the fixing part or the linking element, being conformed on its lower face so as to form a groove (17, 21) for receiving and rotationally locking said hexagonal body (2). Application to osteosynthesis.</p> |
