Device (1) for external fixation of bone fragments (62, 62 ') of a patient, particularly of the extremities, with a support (11) of a plurality of articulation elements (2, 2') placed in row one followed by the other that can be arranged outside the patient's body, in which at least two spikes (4) arranged percutaneously and anchored in the bone tissue (61) of the patient with its proximal end (41) can be held with its distal end (42) and fasten relative to each other in their spatial position； wherein the articulation elements (2) are arranged in a row in a central tensile force element (3), and each two adjacent articulation elements (2, 2 ') together form a ball joint with a spherical cap (21) and an articular roof (22)； and wherein the individual ball joints and, thereby, the support (11), can be reversibly clamped in force drag or, preferably, frictionally by means of an application of tensile force to the central tensile force element (3 ), characterized in that the articulation elements (2, 2 ') are configured so that a pin (4) can be attached to the support (11) in force drag, preferably by tightening and / or frictionally by application of tensile force to the central tensile force element (3).Dispositivo (1) para la fijación externa de fragmentos óseos (62, 62') de un paciente, particularmente, de las extremidades, con un soporte (11) de una pluralidad de elementos de articulación (2, 2') colocados en fila uno seguido del otro que se puede disponer fuera del cuerpo del paciente, en el que al menos dos espigas (4) dispuestas de forma percutánea y ancladas en el tejido óseo (61) del paciente con su extremo proximal (41) se pueden sujetar con su extremo distal (42) y sujetar unas respecto a otras en su posición espacial； en donde los elementos de articulación (2) están dispuestos en fila en un elemento central de fuerza de tracción (3), y cada dos elementos de articulación (2, 2') adyacentes forman juntos una rótula con un casquete esférico (21) y un tejuelo
