Artificial hip joint stem and stem providing method

An artificial hip joint stem used to replace a damaged femoral head or acetabulum, the artificial hip joint stem comprising:

• a stem body comprising a head fixing portion protruding from an upper portion of the stem body to fix the head, an operation space having a horizontally opened upper side of the stem body, and a head insertion hole vertically penetrated so as to be connected to the operation space;
• a screw portion inserted into and rotated in the head insertion hole;
• a motion converter inserted into the operation space and vertically moved by the screw portion connected of the motion converter;
• a fixing bracket inserted into the operation space to fix the screw portion such that the screw portion rotates without changing a depth thereof;
• a variable operation portion inserted into a support surface of the stem body and having a width adjusted in a horizontal direction by operation of the motion converter;
• and
• a movable pin configured to fix the variable operation portion to the motion converter.