Ultrasonic and CT image fusion auxiliary positioning structure

The utility model relates to the technical field of medical positioning devices, in particular to an ultrasonic and CT image fusion auxiliary positioning structure which comprises a fixing piece and a positioning column, and the fixing piece is used for being fixed to the skin of a patient; the positioning column is fixed on the fixing sheet; after the fixing piece is fixed on the body of the patient, the positioning column is located on the side, away from the patient, of the fixing piece. The method and the device have the effects of improving the accuracy of delineation of the radiotherapy target region and improving the working efficiency. 本申请涉及医疗定位装置的技术领域，尤其是涉及一种超声和CT影像融合辅助定位结构，包括固定片和定位柱，固定片用于固定在患者皮肤上；定位柱固定在固定片上；当固定片固定在患者身体上后，定位柱位于固定片离患者的一侧。本申请具有提高放疗靶区勾画的精准性并提高工作效率的效果。