An instrument for torque controlled tightening of a threaded implant device, including a handle, an articulable head that is articulably connected to the handle, the articulable head including a drive ratchet configured to rotate relative to the articulable head and to engage with the threaded implant device or a tool for engaging with the threaded implant device, a compression device arranged at the handle, and a pulling mechanism operatively connecting the articulable head with the handle, the pulling mechanism having a ratchet head mechanism to engage with the drive ratchet of the articulable head, and configured to engage with the compression device at the handle such that the compression device is compressed upon an application of a torque to the drive ratchet.
