... childbirth, gynecology examination and other surgical operationsFunctions of chair:1. HI-LOW:660-910mm2. Back section turning angle: 25°–75° by gas ... . Armrest swing out: 90°2. Foot rest pedal swing: down≤5°,up≥75°3. Foot rest swing out: ≥30°4. Lamp adjust ... : 1 pair armrests, 1 pc filth basin, 1 pc foot rest, 1 set shadowless lamppairs of clamps, 1 pc electric wireStructure ...