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Definition of Fixation, internal
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Fixation, internal: A surgical procedure that stabilizes and joins the ends of fractured (broken) bones by mechanical devices such as metal plates, pins, rods, wires or screws.
Internal fixation is as opposed to external fixation of a fracture by a splint or cast.