| abstract |
The invention discloses a vacuum pad for thoracic radiotherapy combined with a thermoplastic body film fixing device, comprising a fixing base plate, a vacuum pad and a thermoplastic body film, a rectangular through hole is arranged in the center of the fixing base plate, and organic The glass strip, the fixed bottom plate is provided with a movable buckle, a scale scale and a sliding groove, and the movable buckle is clamped on the sliding groove; the vacuum pad is provided with an inflatable port, and a sealing cover is movably provided on the inflatable port. On the fixed bottom plate, the body position of the radiotherapy patient is fixed; the thermoplastic body film is provided with a connecting plate, and the connecting plate is provided with a fixed clamping hole, and the thermoplastic body film is connected with the movable buckle through the connecting plate; the invention protects the normal surrounding of the tumor. In addition, the dose of the target area is further increased and the dose of the normal tissue around the tumor is significantly reduced, which achieves a good effect of radiotherapy and is suitable for clinical application. |