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目的:制作一种带磁分离器，并验证其在腹腔镜手术异物取出中的应用效果。方法:选取西南医科大学附属成都三六三医院2015年2月至2019年9月腹腔镜手术过程中缝针断裂、掉针、钛夹脱落等需寻找的46例手术患者为研究对象，将2015年2月至2017年10月采用传统方法寻找的24例患者作为对照组，2017年11月至2019年9月采用带磁分离器寻找的22例患者作为观察组。比较2组患者手术遗留异物寻找时间、术后皮下气肿发生率以及主刀医生满意度。结果:观察组手术遗留异物寻找时间为（15.36 ± 3.62）min，短于对照组的（75.83 ± 10.30）min，差异有统计学意义（n t值为29.384，n P<0.01）。观察组术后皮下气肿发生率为13.70%（3/22），低于对照组的83.30%（20/24），差异有统计学意义（n χ2值为37.079，n P<0.01）。观察组主刀医生满意度为100.0%（22/22），高于对照组的16.7%（4/24），差异有统计学意义（n χ2值为48.765，n P<0.01）。n 结论:对于腹腔镜手术遗留异物患者，应用带磁分离器可明显缩短寻找异物的时间，降低术后皮下气肿发生率，同时提高主刀医生满意度，值得推广应用。“,”Objective:To make a magnetic separator and verify its application effect in the removal of foreign bodies in laparoscopic surgery.Methods:From February 2015 to September 2019 in Chengdu Sanliu Third Hospital Affiliated to Southwest Medical University, 46 surgical patients to be searched for during the laparoscopic surgery, such as needle breakage, needle drop, and titanium clip shedding, were selected as the research object. The observation group used a self-made laparoscope with a magnetic separator, and the control group used traditional methods, such as: laparoscopy to flip the tissue and C-arm X-ray positioning. The time to find the foreign body left after surgery, the incidence of postoperative subcutaneous emphysema, and the satisfaction of the surgeon were compared between the two groups.Results:The time to find the foreign body left after surgery was (15.36±3.62)min in the observation group and (75.83±10.30)min in the control group, there was significant difference(n t value was 29.384, n P<0.01). The incidence of postoperative subcutaneous emphysema was 13.70% (3/22)in the observation group and 83.30%(20/24)in the control group, there was significant difference(n χ2 value was 37.079, n P<0.01). The satisfaction of the surgeon was 100.0%(22/22)in the observation group and 16.7%(4/24)in the control group, there was significant difference(n χ2 value was 48.765, n P<0.01).n Conclusions:For patients with foreign bodies left after laparoscopic surgery, the use of magnetic separators can significantly shorten the time to find foreign bodies, reduce the incidence of postoperative subcutaneous emphysema, and increase the satisfaction of the surgeon.