Prosthesis system for minimally invasive femoral head replacement surgery

A prosthesis system for minimally invasive femoral head replacement surgery, comprising:

• a prosthesis, configured to fill in a channel in a direction of a femoral neck, the prosthesis having a first end and a second end opposite to each other, a femoral head prosthesis being provided at the first end of the prosthesis, the prosthesis being provided with a nail hole penetrating radially, and the femoral head prosthesis partially protruding from the first end of the channel;
• an extension rod, detachably and fixedly connected with the second end of the prosthesis;
• a guiding frame, a positioning sleeve and a guiding sleeve being arranged on the guiding frame, the positioning sleeve being sleeved outside the extension rod and positioning the extension rod, after the extension rod is positioned, a center line of the guiding sleeve and a center line of the nail hole are on the same straight line;
• and
• a locking nail, configured to fix to the nail hole of the prosthesis, and both ends of the locking nail protruding out of the prosthesis.