Brake type joint soft tissue dilator

The invention provides a brake type joint soft tissue dilator. The tissue dilator comprises a U-shaped dilating rod, a locking sleeve and two dilating claws, wherein two supporting rods of the U-shaped dilating rod are provided with protruding parts and fixing pins respectively, and the locking sleeve is located on the supporting rods provided with the protruding parts. The locking hole in one distraction claw penetrates through the protruding part and is fixed through the locking sleeve, and the locking hole in the other distraction claw is connected with the fixing pin; the sides, provided with the tooth-shaped parts, of the distraction claws face the inner side of the U-shaped distraction rod, so that the two distraction claws are oppositely arranged. The hip joint retractor has the advantages that the hip joint can stably retract soft tissue in a braking mode, the joint capsule is exposed, the burden of medical staff is reduced, better operation guarantee is provided for a patient and an operator, and the