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Related Experiment Video

Updated: Jun 4, 2026

Operative Technique and Nuances for the Stereoelectroencephalographic SEEG Methodology Utilizing a Robotic Stereotactic Guidance System

Operative Technique and Nuances for the Stereoelectroencephalographic SEEG Methodology Utilizing a Robotic Stereotactic Guidance System

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Robotic Segmentectomy 8 Using a Cranio-Ventral Approach (With Video).

Yuta Ushida¹, Ken Hayashi¹, Goshi Fujimoto¹

¹Department of Gastroenterological Surgery, Kameda Medical Center, Kamogawa, Japan.

Asian Journal of Endoscopic Surgery

|February 17, 2026

Summary

This summary is machine-generated.

Robotic cranio-ventral approach (CVA) with port hopping is feasible for anatomical liver resection. This technique, applied to robotic segmentectomy 8 for hepatocellular carcinoma, showed safety and successful vein-guided resection.

Keywords:

hepatectomy hepatic vein robotic surgical producers

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Robotics in Surgery: A Modular Robotic Platform Driven Gastric Wedge Resection

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Published on: February 7, 2025

Area of Science:

Hepatobiliary Surgery
Surgical Robotics
Minimally Invasive Procedures

Background:

Vein-guided resection using the cranio-ventral approach (CVA) is established for laparoscopic liver resection.
The application of CVA in robot-assisted liver surgery is not yet reported.
Hepatocellular carcinoma necessitates precise surgical techniques for optimal outcomes.

Purpose of the Study:

To evaluate the safety and feasibility of robotic segmentectomy 8 using the cranio-ventral approach (CVA) with port hopping.
To demonstrate the utility of robotic CVA for anatomical liver resection.
To assess the effectiveness of this technique in a patient with hepatocellular carcinoma.

Main Methods:

Robotic segmentectomy 8 was performed using the da Vinci Xi system.
The cranio-ventral approach (CVA) was utilized for vein-guided resection.
Port hopping facilitated access to critical vascular structures after caudal liver mobilization.

Main Results:

The procedure was completed successfully with an operative time of 583 minutes and 30 mL blood loss.
The patient experienced an uneventful recovery and was discharged on postoperative day 14.
Robotic CVA with port hopping allowed for precise parenchymal transection along the CVA.

Conclusions:

Robotic cranio-ventral approach (CVA) combined with port hopping is a feasible technique for anatomical liver resection.
This approach enables safe and effective vein-guided resection in robot-assisted surgery.
The study highlights the potential of robotic surgery to advance minimally invasive liver resection techniques.