Abstract: A novel 3D (three-dimensional) printing self-stabilizing cervical interbody fusion cage is provided, including a fusion cage body, circular-arc notches arranged at four corners of a front side surface of the fusion cage body, and threaded openings are formed in interiors of the circular arc notches and screws are correspondingly mounted in the threaded openings. An inner wall of the fusion cage body is of a circular arc structure, and a reserved circular opening is formed in the middle position of the front side surface. Each of the circular arc notches is positioned to form an angle of 45° with a horizontal plane of each of the four corners of the fusion cage body. Screw are self-tapping screws with threads, and the threads of the screws are in fit with threads of the inner walls of the circular arc notches.

Abstract: A novel 3D (three-dimensional) printing self-stabilizing cervical interbody fusion cage is provided, including a fusion cage body, circular-arc notches arranged at four corners of a front side surface of the fusion cage body, and threaded openings are formed in interiors of the circular arc notches and screws are correspondingly mounted in the threaded openings. An inner wall of the fusion cage body is of a circular arc structure, and a reserved circular opening is formed in the middle position of the front side surface. Each of the circular arc notches is positioned to form an angle of 45° with a horizontal plane of each of the four corners of the fusion cage body. Screw are self-tapping screws with threads, and the threads of the screws are in fit with threads of the inner walls of the circular arc notches.

Abstract: A multi-plane cortical bone screw includes a screw tail and a ball screw. A ball head portion is arranged at one end of the ball screw, and a thread portion is arranged at the other end thereof. The ball head portion and the screw tail are in universal connection, so that the ball screw can rotate along a conical surface relative to the screw tail. A lower end face of the screw tail close to the ball head portion is relatively rotatably connected with a side face of the screw tail. The present disclosure further discloses a bone positioning device, which includes a plurality of connection rods and a plurality of the multi-plane cortical bone screws. The screw tails are arranged in a spatial three-dimensional radial manner along side edges of a multi-edge platform, and the connection rods used for positioning a bone are connected between the screw tails.

Abstract: A multi-plane cortical bone screw includes a screw tail and a ball screw. A ball head portion is arranged at one end of the ball screw, and a thread portion is arranged at the other end thereof. The ball head portion and the screw tail are in universal connection, so that the ball screw can rotate along a conical surface relative to the screw tail. A lower end face of the screw tail close to the ball head portion is relatively rotatably connected with a side face of the screw tail. The present disclosure further discloses a bone positioning device, which includes a plurality of connection rods and a plurality of the multi-plane cortical bone screws. The screw tails are arranged in a spatial three-dimensional radial manner along side edges of a multi-edge platform, and the connection rods used for positioning a bone are connected between the screw tails.

Abstract: A method and a terminal for false touch prevention. The method includes determining a type of a touch operation performed on a touchscreen by a user, correcting a false touch point in a doubtful touch operation based on an occurrence process of a screen point touch event in the doubtful touch operation and a preset determining policy when the touch operation is a doubtful touch operation, and reporting the corrected false touch point.

Abstract: A method and a terminal for false touch prevention. The method includes determining a type of a touch operation performed on a touchscreen by a user, correcting a false touch point in a doubtful touch operation based on an occurrence process of a screen point touch event in the doubtful touch operation and a preset determining policy when the touch operation is a doubtful touch operation, and reporting the corrected false touch point.