Abstract: Objective　To exploring the application of novel separable magnetically-controlled forceps in laparoscopic minimally invasive surgeries.Methods　Four Bama miniature pigs were used as subjects. After general anesthesia, laparoscopic cholecystectomy, partial hepatectomy, and partial gastrectomy were performed. A novel separable magnetically-controlled forceps was used instead of Allis forceps to assist in pulling and exposing the surgical field. The operation time, intraoperative blood loss, whether auxiliary incisions were needed during the operation, and intraoperative unexpected events were recorded to evaluate the safety of the separable magnetic forceps. The 5-point Likert scale was used to assess the satisfaction of the operators’ operations and the generalizability of the separable magnetic forceps. The study conformed to the animal ethics regulations. Results　With the aid of the novel separable magnetically-controlled forceps, laparoscopic cholecystectomy, partial liver resection and partial stomach resection with reduction of the puncture hole in the abdominal cavity were successfully performed on all four Bama miniature pigs. The operation durations were (15.43±2.32) minutes, (18.71±4.21) minutes, and (23.32±3.43) minutes, respectively. The average intraoperative blood loss was less than 10 mL. The surgeon expressed a high level of satisfaction regarding the opening and closing, clamping, separation, and retrieval capabilities of the detachable magnetic control forceps. Additionally, the exposure of the surgical area was deemed satisfactory. Throughout the procedure, no adverse events transpired, including the detachment of the magnetic iron from the detachable magnetic forceps head, damage to the abdominal wall contact area, or the inability to retrieve the forceps head. Following the surgery, the experimental animals exhibited good survival rates, and no severe complications were encountered during the perioperative period.Conclusion　The novel separable magnetically-controlled forceps is safe and effective in assisting laparoscopic hepatobiliary, gastrointestinal, and other surgeries. It can achieve excellent tissue traction and visualization, facilitate port reduction in minimally invasive surgery, and has clinical promotion value. 

Key words: magnetic anchoring guidance, laparoscopic surgery, magnets surgical instruments, bama miniature pig, animal experimentation

摘要： 目的　验证自主研发的新型分离式磁控钳在腹腔镜微创手术中的应用价值。方法　以4只巴马小型猪为研 究对象,全麻后行腹腔镜下胆囊切除术、肝部分切除术、胃部分切除术,采用新型分离式磁控钳替代Allis钳,辅助相 应器官的牵拉并暴露手术视野。记录手术时间、术中出血量、术中是否需要辅助切口及术中意外事件评估分离式 磁控钳的安全性,采用5分李克特量表(5-point Likert scale)评估术者操作的满意度和分离式磁控钳的可推广度。 研究符合动物伦理规定。结果　在新型分离式磁控钳的辅助下,4只巴马小型猪均顺利完成了减孔腹腔镜胆囊切 除、腹腔镜肝部分切除及胃部分切除。手术时间分别为(15.43±2.32)min、(18.71±4.21)min和(23.32±3.43)min。 术中平均出血量小于10 mL。术者对分离式磁控钳的开合性能、夹持性能、分离性能、回收性能及术区视野显露情 况均表示非常满意。无分离式磁力钳头磁铁脱落、腹壁接触部位损伤及钳头无法回收等不良事件发生。术后实验 动物存活良好,围手术期无严重并发症发生。结论　该新型分离式磁控钳在辅助腹腔镜肝胆、胃肠等手术中是安 全有效的,能够达到很好的牵拉和显露视野作用,有助于减孔微创手术的实施,具有临床推广价值。

关键词: 磁锚定技术, 腹腔镜手术, 磁铁类手术钳, 巴马小型猪, 动物实验