Patent ID: 7166108
Filing Date: 2007-01-23
Classification: A61B

Abstract:
1. A fixing device for connecting a rod and a screw having a substantially spherically symmetrical head, said fixing device comprising: a first longitudinal member having a first surface and an opposite second surface, said first surface of said first longitudinal member having a first end, a middle part and a second end, said first end being provided with an opening, the wall of said opening forming a first portion of a spherical surface: a second londitudinal member adapted to cooperate with said first longitudinal member and having a first end, a middle part and a second end, said first end said second longitudinal member being provided with an opening, the wall of said opening forming a second portion of a housing extending on a direction substantially perpendicular to a length of said longitudinal member and opening in a first surface of said first member; and first fastening and adjustment means mounted at the second end of said first longitudinal member and said second longitudinal member for moving said second end of said first longitudinal member towardssaid second longitudinal member, wherein a rod can be placed within said housing of said second longitudinal member and facing said middle part of the first surface of said first longitudinal member, a substantially spherically symmetrical screwhead can be placed between said portions of spherical surfaces formed by said openings of said first and second longitudinal members, so that when said first fastening and adjusting means are operated, said spherical symmetrical screwhead is pressed against said portion of spherical surfaces and said longitudinal member is pivoted around said rod placed in the housing of said second longitudinal member.