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Design of a Novel Radio Frequency Ablation Probe for Tumor Ablation Treatment

机译：肿瘤消融治疗新型射频消融探针的设计

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Hepatocellular carcinoma (HCC), commonly known as the liver cancer, is a severe health concern worldwide. For patients with liver tumors that are difficult to remove through traditional treatments such as radiation, chemotherapy and partial hepatectomy, there is the option of radiofrequency ablation (RFA) treatment. RFA is a minimally invasive procedure that is currently treating liver tumors that are relatively small in size. Radiofrequency ablation uses currents to heat up the tissue of the tumor. Once the temperature of the tissue reaches approximately 60°C tissue necrosis begins to occur [1]. With current RFA probes, ablation lesions are typically 3-5.5 cm in diameter [2]. It is important that all of the tumor tissue is ablated, so it is necessary to also kill a small amount of the surrounding healthy tissue. At least 1 cm of healthy tissue should be ablated to ensure the tumor will not recur [2]. Hence, many studies [3, 4] have attempted to increase the RFA ablation zone through various methods including adding saline to the tissue, predicting the optimal power level, etc.
机译：肝细胞癌（HCC），俗称肝癌，是全世界严重的健康问题。对于肝脏肿瘤的患者，难以通过传统治疗诸如辐射，化疗和部分肝切除术等传统治疗，有射频消融（RFA）处理的选择。 RFA是目前治疗肝脏肿瘤的微创程序，其尺寸相对较小。射频消融使用电流加热肿瘤的组织。一旦组织的温度达到大约60°C的组织坏死就开始发生[1]。利用当前的RFA探针，消融病变通常为3-5.5cm，直径[2]。重要的是，所有肿瘤组织都被烧蚀，因此还需要杀死少量的周围健康组织。应烧蚀至少1厘米的健康组织，以确保肿瘤不会再恢复[2]。因此，许多研究[3,4]试图通过各种方法增加RFA消融区，包括向组织添加盐水，预测最佳功率水平等。

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