Clinical clamping device for orthopedics department

The clinical clamping device comprises a bed board, a through groove is formed in the top of the bed board, a fixing board is fixedly installed in the through groove, a box body is installed at the bottom of the bed board in a welded mode, a first connecting rod is installed at the bottom of the inner side of the box body in a hinged mode, and a second connecting rod is installed at the bottom of the inner side of the box body in a hinged mode. A third connecting rod is hinged to the free end of the first connecting rod, and a fourth connecting rod is hinged to the free end of the second connecting rod. The first connecting rod, the third connecting rod, the second connecting rod and the fourth connecting rod move relatively and oppositely through cooperation of threads, opposite in screwing direction, on the threaded rod and a nut, and the sliding plate moves in the vertical direction so that the gap between the second clamping block and the first clamping block can be adjusted; and the air bag is inflated t