Fiducial Screw System

原文（中国語）

The present disclosure provides a fiducial screw system. The system comprises a fiducial screw having a screw shaft configured to be inserted into a bone material and a screw head having or forming a fastening interface configured to cooperate with a fastening tool for inserting the fiducial screw into the bone material. The system further comprises an elongated tube forming a guiding channel, wherein the elongated tube has a proximal longitudinal end and a distal longitudinal end, and wherein the distal longitudinal end is shaped to be attachable or attached to the fiducial screw, e.g., to its head, and the proximal longitudinal end forms a guiding opening leading into the guiding channel.