• 1. Department of Thoracic Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, 710061, P.R.China;
  • 2. Qide College, Xi’an Jiaotong University, Xi’an, 710061, P.R.China;
  • 3. Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, 710061, P.R.China;
  • 4. National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, 710061, P.R.China;
ZHANG Yong, Email: zhangyongyang05@163.com
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Objective To verify the feasibility of a self-designed magnetic anchoring and traction device (MATD) for assisting two-port video-assisted thoracoscopic esophagectomy.Methods Three Beagle dogs were selected as animal models with age ranging from 1-6 years and weight ranging from 8-12 kg, and they underwent two-port video-assisted thoracoscopic esophagectomy after general anesthesia. We used the MATD to retract the esophagus to different directions, which assisted mobilizing esophagus, detecting the nerves along esophagus and dissecting paraesophagus lymph nodes. The operation time, blood loss and feasibility of the MATD were recorded.Results With the aid of the MATD, we successfully retracted and mobilized the esophagus, detected the nerves and dissected the lymph nodes in three Beagle dog models. During the operation, the MATD provided sufficient and steady traction of esophagus to achieve a good exposure of the operative field, effectively decreasing the interference between working instruments. The MATD worked well. The mean operation time was 30 min, and the mean intraoperative blood loss was about 10 mL.Conclusion It is effective to use the MATD to assist retracting esophagus during video-assisted thoracoscopic esophagectomy. The magnetic anchoring and traction technique can assist to expose the surgical field, decrease the interference between the working instruments and have the potential clinical application.

Citation: CHEN Wenwen, YAN Xiaopeng, LEI Fengping, YANG Cheng, LV Yi, FU Junke, ZHANG Yong. Experimental study of magnetic anchoring and traction device assisting thoracoscopic esophagectomy. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2021, 28(9): 1090-1094. doi: 10.7507/1007-4848.202008027 Copy

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