Patient sitting equipment for radiotherapy

Patient sitting equipment for radiotherapy, comprising:

• an installation platform;
• a treatment couch assembly;
• a support and adjustment assembly;
• and
• a three-dimensional (3D) imaging assembly;
• wherein the treatment couch assembly is configured to fix a patient, and the treatment couch assembly comprises a base, a treatment couch main body, a lifting-lowering assembly, a leg limit block and a feet limit block;
• wherein the base is connected to the support and adjustment assembly;
• the treatment couch main body is arranged on the base and is configured to fix the patient;
• and the treatment couch main body comprises a mounting base, a couch plate and a cushion;
• wherein the mounting base is connected to the lifting-lowering assembly;
• the couch plate is arranged on the mounting base, and extends upwards along the vertical direction;
• the couch plate is configured to deflect in a first direction with respect to the mounting base to adjust depression and elevation angles of the couch plate;
• the cushion is arranged on the mounting base, and at a bottom end of the couch plate;
• and the cushion is configured to be turned over;
• the lifting-lowering assembly is arranged above the base, and is connected to the treatment couch main body to drive the treatment couch main body to move up or down;
• the leg limit block is arranged on the base, and extends along the vertical direction from an upper surface of the base;
• and the leg limit block is configured to limit legs of the patient;
• the feet limit block is arranged at the upper surface of the base, and is located between the leg limit block and the lifting-lowering assembly;
• and the feet limit block is configured to limit feet of the patient;
• the support and adjustment assembly is arranged below the installation platform;
• the support and adjustment assembly is connected to the treatment couch assembly, and is configured to adjust a position of the treatment couch assembly with respect to the installation platform;
• the support and adjustment assembly comprises a treatment couch adjustment assembly;
• and the treatment couch adjustment assembly is connected to the base of the treatment couch assembly;
• the treatment couch adjustment assembly comprises a horizontal moving platform, a rotating platform and a tilting platform;
• the horizontal moving platform is configured to adjust a position of the base with respect to the installation platform in the horizontal direction;
• the rotating platform is connected to the horizontal moving platform;
• the rotating platform is configured to drive the base to rotate horizontally with respect to the installation platform;
• the tilting platform is connected between the rotating platform and the base;
• the tilting platform is configured to drive the base to tilt with respect to the installation platform;
• and the horizontal moving platform, the rotating platform and the tilting platform are sequentially arranged from bottom to top;
• the tilting platform comprises a tilting platform main body, a connecting rod assembly and a drive motor;
• the tilting platform main body is arranged above the rotating platform;
• the connecting rod assembly is connected between the tilting platform main body and the base;
• the drive motor is connected to the connecting rod assembly;
• and the drive motor is configured to drive the connecting rod assembly to move to tilt the base with respect to the tilting platform main body;
• and
• the 3D imaging assembly comprises a column assembly and a 3D imaging device;
• the column assembly is arranged at the installation platform, and extends along the vertical direction;
• the 3D imaging device is movably arranged at the column assembly;
• the 3D imaging device is corresponding to the treatment couch assembly in a horizontal projection direction;
• and the 3D imaging device is configured to perform image scanning on the patient.