A percutaneous connection device to be fixed in an osseous structure of a patient to connect an internal entity located inside the body of the patient to an entity external to said body, the device comprising a percutaneous socket having a first end comprising a percutaneous abutment and a second end opposite to the first end, an elongated extension member designed to be inserted within a hole created into the osseous structure, said extension member having a first end comprising means to be removably coupled to the second end of the socket and a second end opposite to the first end, the removable coupling of the extension member relative to the percutaneous socket being designed for angular shifting of the first end of the percutaneous socket relative to the second end of the extension member, anchoring means provided for anchoring the device to the osseous structure by osseointegration and separate connection means running through the device from the first end of the percutaneous socket to the second end of the extension member, said connection means comprising at least a first connector arranged within the percutaneous abutment.
