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Your pelvic bone has been re-stabilized using aids.

The pelvis is made up of different bones. There are 3 bones on each side which each merge to form one large pelvic bone. A joint connects these two large pelvic bones to the sacrum at the back of the body. The sacrum is part of the lower spine. The two pelvic bones plus the sacrum form a bony pelvic ring or girdle. In front, the two pelvic bones are tightly joined to one another by ligaments and cartilage fiber.

Your pelvic bone has been stabilized using one or more long pins inside the bone.

The purpose of the long pins is to stabilize the pelvic bone from within. To achieve this, they are inserted into the space inside the bone. The long nails are inserted through bones and join these bones together. Joints, for example, can be temporarily reinforced like this.