Patent ID: 8491593

Claim:
An adaptor device for detachably establishing a spatial orientation between a bone stabilization implant and an aiming device for anchoring the implant to an internal part of a body, the adaptor device comprising: a positioning arm having first and second hook shaped engaging elements and a snapping connector element; an adaptor device body comprising: a first attachment element, including a first protrusion with a contact surface extending outwardly from the device body wherein the first hooked shaped engaging element of the positioning arm can be hooked onto the first protrusion of the adaptor device allowing for rotational engagement between an inner surface of the first hook of the positioning arm and the first protrusion contact surface; a second attachment element having a second protrusion with a contact surface extending outwardly from the adaptor device body wherein the second hook shaped engaging element of the positioning arm can be hooked into the second protrusion of the adaptor device allowing for rotational engagement between an inner surface of the second hook of the positioning arm and the second protrusion contact surface wherein an axis extends between the first protrusion contact surface and the second protrusion contact surfaces with the hook shaped engaging elements partially encircling the axis when hooked onto the first and second protrusions, and the adaptor device body including an interlocking element positioned intermediate the first and second-protrusions, wherein the snapping connector element of the positioning arm automatically engages in the interlocking element when the positioning arm and the first and second hooked shaped elements are rotated relative to the adaptor device about the axis between the first and second protrusions contact surfaces towards a final angular position.