Features
■ In the upper limb of the model, there was a closed fracture of the upper segment of humerus in the forearm, with the broken end of the fracture accessible, angulation deformity and bone friction sensation;
■ In the lower limb of the model, there was a closed fracture of the lower segment of tibia and fibula in the calf, which could reach the broken end of the fracture, with angulation deformity and bone friction sensation; The model person can use all the fracture braces together.