Adjustable medical hand support frame

The utility model discloses an adjustable medical hand supporting frame which comprises a workbench lifting mechanism, the workbench lifting mechanism comprises a base and a workbench, the workbench is arranged above the base, a first supporting rod and a first sliding rail are symmetrically arranged at the two ends of the top of the base, and a second supporting rod and a second sliding rail aresymmetrically arranged at the two ends of the bottom of the workbench. The end of the first supporting rod is in sliding connection with the second sliding rail, the end of the second supporting rod is in sliding connection with the first sliding rail, a pedal air cylinder is arranged at one end in the first sliding rail, and the piston end of the pedal air cylinder is connected with the end of the second supporting rod. A third sliding rail is arranged at the top of the workbench, two hand supporting plates are arranged above the workbench, the top of the workbench is connected with a two-waylead screw through a bear