A shaft connector configured to connect a shaft that has to be partly inserted through the skull of patient to the skull of the patient, the shaft connector comprising: • a skull connecting part having a proximal end and a distal end, the skull connecting part including: ∘ a skull connecting provision; ∘ an inner wall that bounds a skull connecting part channel that extends along a central axis and that has a distal channel end; • a shaft bush that includes: ∘ a shaft bush wall defining a bush channel that extends along a bush channel axis; • a bush clamping device that is arranged in the skull connecting part, that has a clamping position and a release position, the bush clamping device in the clamping position being configured to fixate the shaft bush relative to the skull connecting part so that a direction of the bush channel axis relative to the central axis, which direction may be varied within a range of directions in the release position of the bush clamping device, is fixated as desired; • an operating provision configured to engage the bush clamping device and to move the bush clamping device between the clamping position and the release position, characterized in that the operating provision includes at least: ∘ a first handle; and ∘ a second handle; the first and the second handles (136, 140) being configured and arranged to be engaged by a single hand and the operating provision being configured to bring the bush clamping device from the release position in the clamping position by movement of the first handle relative to the second handle without exerting a force on the skull via the skull connecting provision. • a skull connecting part having a proximal end and a distal end, the skull connecting part including: ∘ a skull connecting provision; ∘ an inner wall that bounds a skull connecting part channel that extends along a central axis and that has a distal channel end; ∘ a skull connecting provision; ∘ an inner wall that bounds a skull connecting part channel that extends along a central axis and that has a distal channel end; • a shaft bush that includes: ∘ a shaft bush wall defining a bush channel that extends along a bush channel axis; ∘ a shaft bush wall defining a bush channel that extends along a bush channel axis; • a bush clamping device that is arranged in the skull connecting part, that has a clamping position and a release position, the bush clamping device in the clamping position being configured to fixate the shaft bush relative to the skull connecting part so that a direction of the bush channel axis relative to the central axis, which direction may be varied within a range of directions in the release position of the bush clamping device, is fixated as desired; • an operating provision configured to engage the bush clamping device and to move the bush clamping device between the clamping position and the release position, characterized in that the operating provision includes at least: ∘ a first handle; and ∘ a second handle; the first and the second handles (136, 140) being configured and arranged to be engaged by a single hand and the operating provision being configured to bring the bush clamping device from the release position in the clamping position by movement of the first handle relative to the second handle without exerting a force on the skull via the skull connecting provision. ∘ a first handle; and ∘ a second handle;