Final answer:
An external fixator provides stability by utilizing adjustable metal bars and pins to immobilize the affected limb and exert external traction. It is a surgical device that allows for proper alignment, immobilization, and healing of fractures or other orthopedic conditions.
Step-by-step explanation:
An external fixator provides stability by utilizing adjustable metal bars and pins to immobilize the affected limb. The fixator is externally applied to the limb and exerts external traction to align and stabilize the bone fragments or injured area. It is a surgical device that allows for proper alignment, immobilization, and healing of fractures or other orthopedic conditions.