Fig. 1-1 A, Straight (rectangular) tourniquets fit optimally on cylindrical limbs. B, Curved tourniquets best fit conical limbs. (From Pedowitz RA, Gershuni DH, Botte MJ, et al: Clin Orthop 287:237, 1993.

• 图1－1A直（长方形）止血带最适合用于柱状的肢体。B弧形止血带适用于圆锥形的肢体。