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Related Experiment Video

Updated: Jun 12, 2026

Application of Laparoscopic Hepatectomy Combined with Intraoperative Microwave Ablation in Colorectal Cancer Liver Metastasis
04:22

Application of Laparoscopic Hepatectomy Combined with Intraoperative Microwave Ablation in Colorectal Cancer Liver Metastasis

Published on: March 3, 2023

Bloodless liver resection using needle arrays under alternating electromagnetic fields.

Yan-Shen Shan1, Roberto Zuchini, Hung-Wen Tsai

  • 1National Cheng Kung University, Tainan, Taiwan.

Surgical Innovation
|May 28, 2010
PubMed
Summary

A new thermal surgery system significantly reduces blood loss during hepatectomies, achieving near-zero blood loss and shortening operation times. This innovative approach offers a safer alternative for liver surgery.

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Area of Science:

  • Surgical Innovation
  • Biomedical Engineering
  • Hepatobiliary Surgery

Background:

  • Achieving effective hemostasis during hepatectomies presents a significant surgical challenge.
  • Minimizing blood loss is crucial for patient outcomes in liver resections.

Purpose of the Study:

  • To design and evaluate a novel thermal surgery system for improved hemostasis during hepatectomies.
  • To compare the efficacy of the new system against the traditional Kelly crushing method in reducing blood loss and operation time.

Main Methods:

  • A new thermal surgery system utilizing an alternating magnetic field generator and stainless steel needle arrays with thermosensitive bands was developed.
  • Lanyu pigs underwent S4-S5 or left lateral segmentectomies using either the novel system or the Kelly crushing method.

Related Experiment Videos

Last Updated: Jun 12, 2026

Application of Laparoscopic Hepatectomy Combined with Intraoperative Microwave Ablation in Colorectal Cancer Liver Metastasis
04:22

Application of Laparoscopic Hepatectomy Combined with Intraoperative Microwave Ablation in Colorectal Cancer Liver Metastasis

Published on: March 3, 2023

  • Blood loss, operation times, and post-operative liver pathologies were assessed over a 4-week observation period.

    • Main Results:

    • The novel thermal surgery system resulted in near-zero blood loss (0 mL), compared to 116 +/- 35 mL with the Kelly crushing method.
    • Operation times were reduced by 15 to 25 minutes using the new system.
    • Histopathological examination revealed apoptosis and fibrotic changes at the resected liver margins.

    Conclusions:

    • The developed thermal surgery system represents a novel and effective method for achieving hemostasis in hepatectomies.
    • This innovative approach offers significant advantages in reducing blood loss and operative time during liver surgery.