Polyaxial bone anchoring device including an anchoring element (1) having a shank (2) for anchoring to bone and a head (3), the head having an outer surface portion of spherical shape (3a) a receiving part (4, 4 , 4 ) pivotally connected with said head (3), wherein the receiving part an upper end (4a) and a lower end (4b), a longitudinal axis (C) which extends through the upper end and the lower end, a transverse channel (9) for receiving a rod (100) and a space (11, 11 , 11) to receive the head (3), the space housing (11, 11 , 11 ) having a bottom opening (12) at the lower end (4b), an insert shaped sleeve (5) surrounding a portion of the head (3) and having a portion 10 outer spherical surface (51) and is configured to rotate in the receiving part, extending a lower edge (5b) of the insert shaped sleeve (5) through the lower opening (12) when the insert sleeve-shaped is seated in the receiving part in a position where its axis of sleeve (5c) is coaxial with the longitudinal axis ( C) a pressure element (6, 6 , 6 , 6 ), the pressing member being disposed at least partially in the space (11, 11 , 11 ), characterized in that the element pressure has a lower surface portion (61) contacts the head (3) for exerting pressure thereon may the anchoring element (1) rotatable relative to the receiving part (4, 4 , 4 ) and locked in an angle exerting pressure with the pressure element (6, 6, 6 , 6 ) on the head (3) to lock the head and the insert shaped sleeve (5) simultaneously in the receiving part.Dispositivo de anclaje óseo poliaxial, que incluye un elemento de anclaje (1) que tiene un vástago (2) para anclarlo al hueso y una cabeza (3), presentando la cabeza una parte de superficie exterior de forma esférica (3a) una pieza receptora (4, 4, 4) conectada de forma giratoria con dicha cabeza (3), presentando la pieza receptora un extremo superior (4a) y un extremo inferior (4b), un eje longitudinal (C) que se extiende a través del extremo superior y el extremo inferior, un
