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Chinese Journal of Hepatic Surgery(Electronic Edition) ›› 2020, Vol. 09 ›› Issue (05): 484-487. doi: 10.3877/cma.j.issn.2095-3232.2020.05.020

Special Issue:

• Basic Research • Previous Articles     Next Articles

Experimental study of magnetic anchor technique assisted reduced-port laparoscopic cholecystectomy

Jigang Bai1, Yi Lin2, Bo Liu3, Liwei Zhang3, Yixing Li3, Qian Fan2, Lin Ji2, Bixin Yu3, Yanfeng Lu3, Adali Zhupaer3, Jianzhong Sun3, Yong Zhang4, Yi Lyu1, Xiaopeng Yan1,()   

  1. 1. Department of Hepatobiliary Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China; National and Local Joint Engineering Research Center of Precision Surgery and Regenerative Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
    2. National and Local Joint Engineering Research Center of Precision Surgery and Regenerative Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China; Qide College of Xi'an Jiaotong University, Xi'an 710061, China
    3. Qide College of Xi'an Jiaotong University, Xi'an 710061, China
    4. National and Local Joint Engineering Research Center of Precision Surgery and Regenerative Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China; Department of Thoracic Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
  • Received:2020-05-22 Online:2020-10-10 Published:2020-10-10
  • Contact: Xiaopeng Yan
  • About author:
    Corresponding author: Yan Xiaopeng, Email:

Abstract:

Objective

To evaluate the safety and feasibility of self-designed magnetic anchoring device in reduced-Trocar laparoscopic cholecystectomy (LC).

Methods

Six healthy male Beagle dogs were used as animal models. Two-port LC was performed by using a self-designed magnetic anchoring device. The operative time and intraoperative blood loss were recorded. The safety and feasibility of operations assisted by magnetic anchoring device were evaluated.

Results

Two-port LC assisted by magnetic anchoring device was successfully completed in 6 Beagle dogs. The magnetic anchoring built-in grasping forceps could firmly grasp the gallbladder wall without slippage or tearing the gallbladder wall. Under the traction of anchored magnet in vitro, the operation field could be fully exposed, and sufficient tissue tension could be maintained to meet the requirements of separation, electrocoagulation and other procedures under the laparoscope. The mean operation time was (38±6) min, and intraoperative blood loss was less than 10 ml. At postoperative 1 week, the Beagle dogs recovered well with no postoperative complications.

Conclusion

Magnetic anchoring device is convenient, safe and feasible in two-port LC in dog models.

Key words: Cholecystectomy, laparoscopic, Magnetic anchor technique, Surgical procedures, minimally invasive, Beagle

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