Glenoid cavity for enhancing stability of inverted shoulder joint operation

The utility model relates to the technical field of medical instruments, and discloses a glenoid cavity for enhancing stability of an inverted shoulder joint operation, which comprises a glenoid cavity and a spacer, the glenoid cavity is of a cylindrical structure, one end of the glenoid cavity is an inclined plane, an arc-shaped concave surface matched with a spherical surface of a humerus head is arranged on the inclined plane, and the spacer is arranged on the arc-shaped concave surface. The other end of the glenoid cavity is provided with a wrapping cavity used for wrapping the upper portion of the spacer, a first locking structure is arranged in the wrapping cavity, the spacer is provided with a concave cavity, and a second locking structure matched and locked with the first locking structure is arranged in the concave cavity; the glenoid cavity capable of enhancing the stability of the inverted shoulder joint operation solves the problems that an existing glenoid cavity and a spacer are not firm after b