1. The assembly comprises a disposable surgical blade of the blade (2), the holder (1) and protection of the blade (3) of the blade, the blade (2) fixed to the front portion of the holder (1) of the blade, and protection (3) is movably mounted on the blade holder ( 1) blade, wherein: the holder (1) the blade is provided with a flexible element (17) at the rear end, which extends backwards and is used to attach the handle (4), the flexible member (17) is provided with a locking element (171) used for the coupling a second inclined member (44) at the front end of the handle (4) and projecting e lementom (172) used to prevent deformation of the flexible member (17) protruding member (172) extends to the inside of the protection wall (3) blades, and an inner protection wall (3) of the blade is provided with providing a clearance hole (37) for projecting member ( 172) addressed to provide clearance hole (37) when the handle (4) is inserted into blade assembly for connection to the holder (1) of the blade, the second slope member (44) acts on the locking in the original locked state blades projecting member assembly (172) element (171) such that would force the flexible member (17) to bend and force the projecting member (172) continue providing clearance hole (37) through lateral movement, after the movement of the second ramp (44) via a locking member (171), the flexible member (17) automatically resiliently returns to the initial position, and a second slope member (44) engages with the locking element (171) for connecting the handle (4) and holder (1) of the blade during removal of the handle (4) a second slope member (44) pulls the holder (1) of the blade back towards the protection (3) through a blade locking member (171) to cause the projecting member (172)1. Сборка одноразового хирургического лезвия состоит из лезвия (2), держателя (1) лезвия и защиты (3) лезвия, лезвие (2) зафиксировано на переднем участке держателя (1) лезвия, и защита (3) лезвия подвижно устано
