Vertebral plate opening device

The invention discloses a vertebral plate opening device, comprising a fixed rod and a movable rod of which middle parts are hinged to each other, wherein the fixed rod comprises an upper fixed rod atthe upper end and a lower fixed rod at the lower end; a telescopic mechanism is arranged between the upper fixed rod and the lower fixed rod; a fixing plate is arranged at the lower end of the lowerfixed rod; the movable rod comprises an upper movable rod at the upper end and a lower movable rod at the lower end, the lower end of the upper movable rod and the upper end of the lower movable rod are hinged to each other, the middle part of the upper movable rod and the middle part of the upper fixed rod are hinged to each other, and a warping plate is arranged at the lower end of the lower movable rod. The invention provides the vertebral plate opening device for solving the problem that at present the warping plate is used for levering the vertebral plate and thus the outside articular process is easy to damage an