Transverse connecting device of spine nail rod

The utility model discloses a transverse connecting device of a spine nail rod, which comprises a device body and a hooking component used for fixing a correction bar, the hooking component is connected with the device body, and the transverse connecting device of the spine nail rod further comprises an adjusting mechanism connected with the hooking component and used for adjusting the distance of the hooking component. The adjusting mechanism comprises an elastic part A, a lead screw, a placing block, a driving assembly, an abutting assembly and a loosening assembly, the placing block is in sliding fit with the device body, the placing block is in threaded connection with the lead screw, the lead screw is connected with the driving assembly, the elastic part A is located in the device body, and the placing block is connected with the hooking assembly; the abutting assembly comprises an incomplete gear, a rotating shaft and an abutting plate. The utility model belongs to the technical field of medical instrum