Customizable Energy Output Precision Ablation Plasma Hepatectomy Electrode
Hepatectomy Electrode is an electrode used for hepatectomy, mainly applied for ablating liver tissue through radiofrequency ablation technology during liver surgeries. This electrode is inserted percutaneously into the liver under the guidance of ultrasound or imaging, and the operation is carried out at a distance of 2 - 3 centimeters from the edge of the liver tumor. During the radiofrequency ablation process, heat is generated between the electrode and the surrounding tissues, resulting in the necrosis of liver tissue, thereby achieving local treatment of tumors.
Radiofrequency Ablation Technology
Radiofrequency ablation is a non-invasive local treatment method that uses high-frequency alternating current to generate heat to destroy the target tissues. When used in hepatectomy, the electrode is inserted into the liver, and the liver tissue is heated to 60 - 100 degrees Celsius by radiofrequency energy, leading to cell death. This method can be used to treat small to medium-sized liver tumors, especially in cases where traditional surgical resection is not suitable.
Surgical Procedure
- Positioning: Firstly, the position and boundaries of the tumor are determined under the guidance of ultrasound or imaging.
- Insertion of the Electrode: The radiofrequency ablation electrode is inserted percutaneously into the liver, usually at a distance of 2 - 3 centimeters from the edge of the tumor.
- Radiofrequency Ablation: The radiofrequency energy is activated to heat the surrounding tissues and cause necrosis.
- Removal of the Electrode: After the ablation is completed, the electrode is removed and the puncture channel is manually sealed.
Parameter |
Details |
Electrode Length |
Available in 10 cm, 15 cm, and 20 cm lengths to accommodate different surgical requirements and patient anatomies. |
Electrode Diameter |
A slim 2 mm diameter for easy insertion and precise manipulation within the liver tissue, minimizing trauma during insertion. |
Plasma Energy Output |
Adjustable power levels ranging from 20 W to 80 W, allowing surgeons to customize the ablation process according to the specific characteristics of the tissue being treated. |
Operating Frequency |
4 MHz, optimized to generate a stable and effective plasma field for consistent tissue ablation. |
Tissue Penetration Depth |
Up to 5 mm per application, providing controlled and targeted ablation without over - penetration into deeper healthy tissues. |
- Precision Ablation: Allows for highly accurate targeting of liver tissue, enabling surgeons to precisely remove tumors or diseased areas while sparing adjacent healthy tissue as much as possible.
- Effective Hemostasis: The plasma energy simultaneously seals blood vessels during ablation, significantly reducing intraoperative bleeding. This not only improves the visibility of the surgical field but also minimizes the risk of blood loss - related complications.
- Minimal Thermal Damage: Due to its unique plasma - based mechanism, the electrode causes minimal thermal damage to the surrounding tissues. This results in a faster recovery time for patients and reduces the likelihood of post - operative complications.
Clinical Applications and Effects
The application of radiofrequency ablation in hepatectomy can effectively reduce bleeding during the surgery and ensure the complete ablation of tumors in laparoscopic hepatectomy. This method is especially suitable for patients who are unable to undergo traditional open surgeries or can be used as an auxiliary treatment measure before or after the surgery.