Device for external orthopedic fixations

Device for external orthopedic fixations, which comprises one or more frames (1; 61; 71) which have a substantially and/or partially annular shape and are suitable for being arranged around a limb to surround it at least partially, wherein one or more rods (2, 36; 46; 96; 106; 110) are fixed to at least one frame (1; 61; 71) by means of at least one locking mechanism (3, 6; 23; 56; 86) provided with at least two jaws (10, 11, 30, 31; 26, 27; 57, 58; 87, 88) which, when they are closed, tighten the locking mechanism (3, 6; 23; 56; 86) to a portion of the frame (1; 61;71) by exerting a prevalently axial force, wherein said jaws (10, 11, 30, 31; 26, 27; 57, 58; 87, 88) are closed by means of a cam mechanism (13, 33) suitable for being actuated by rotating at least one lever (12, 32; 90) pivoted to a first jaw (10, 30) and provided with one or more cam surfaces (13, 33) cooperating with at least one surface of the second jaw (11, 31). 种用于外部矫形固定的装置，其包括个或多个框架(1；61；71)，所述框架具有实质上和/或部分环形的形状并且适合于围绕肢体布置以至少部分地围绕所述肢体，其中个或