Multi-needle ablation system covered by ellipsoid

The invention discloses a multi-needle ablation system using ellipsoid coverage. The multi-needle ablation system comprises an ablation detection device, a coverage unit, a small ball coverage unit, an ablation needle setting unit, an ellipsoid setting unit and a radio frequency needle, according to the multi-needle ablation system, a three-dimensional image of an ablated object is preprocessed and then subjected to circumscribed ball processing, circumscribed balls approach the whole ablated object, and radiofrequency ablation of the ablated object is carried out by calculating the number of circumscribed balls at most contained in a single ablation ellipsoid and obtaining the consistent long axis direction of the optimal ellipsoid. The multi-needle ablation system has the advantages of being safe and effective. 本发明公开了一种利用椭球覆盖的多针消融系统，其包括：消融检测装置，覆盖单元，小球覆盖单元，消融针设定单元，椭球设定单元以及射频针；该多针消融系统通过将被消融物的三维影像并进行预处理后做外接球处理，并用外接球逼近整个被消融物，通过计算单个消融椭球至多包含多少外接球，并获得最佳椭球的一致长轴方向后进行被消融物的射频消融。该多针消融系统具有安全有效的有益效果。