Force detection bone screw device

A force detection bone screw device used to detect a force of a suture, the force detection bone screw device comprising:

• a bone screw body, comprising a cylinder having an opening end and an insertion end opposite to each other, wherein an accommodating portion within the cylinder is connected with the opening end;
• a spring structure, provided in the accommodating portion, wherein the spring structure comprises a body, a bearing part, a fixing part, and at least one bending strain structure, one end of the body is connected to the bearing part, another end of the body is connected to the fixing part, the fixing part is fixed within the cylinder, the fixing part is adjacent to the insertion end, one side of the bearing part is used to connect to the suture, and each of the bending strain structures is respectively provided on the body, the body has an axial direction, and each of the bending strain structures has deformation in at least one direction different from the axial direction;
• a detection module, provided in the accommodating portion, wherein the detection module comprises at least one strain element and a sensing component, each of the strain elements is used to measure a stress of bending moment strain generated by the bending strain structure, and one end of the sensing component is connected to the strain element;
• and
• an antenna module, provided in the accommodating portion, and the antenna module is connected to the sensing component.