421245.fig.001a
(a)
421245.fig.001b
(b)
Figure 1: (a) The new mandibular joint retractor device, the length of which is 21 cm. (b) The top of the tip is 1 mm thickness and 3 mm width, the triangular projected portion is made 6 mm proximal from the top of the tip to catch fracture ends of the bone.