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Related Experiment Video

Updated: Jul 17, 2026

Three-dimensional Location Approach with Silk Thread Guided Laparoscopic Segmentectomy for Liver Tumor

Three-dimensional Location Approach with Silk Thread Guided Laparoscopic Segmentectomy for Liver Tumor

Published on: May 23, 2025

Ultrasound-based liver computer assisted surgery.

P Windyga¹, N Hiransakolwong, K Vu

¹School of Computer Science, University of Central Florida, Orlando, FL, USA.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

|February 3, 2007

Summary

This research introduces a computer-assisted ultrasound tool to enhance surgical instrument accuracy in moving organs. The system real-time calculates image misalignment, improving surgeon confidence and patient outcomes in minimally invasive abdominal surgery.

Related Experiment Videos

Last Updated: Jul 17, 2026

Three-dimensional Location Approach with Silk Thread Guided Laparoscopic Segmentectomy for Liver Tumor

Three-dimensional Location Approach with Silk Thread Guided Laparoscopic Segmentectomy for Liver Tumor

Published on: May 23, 2025

Area of Science:

Medical Imaging
Surgical Technology
Computational Anatomy

Background:

Minimally invasive abdominal surgery requires precise instrument positioning.
Organ movement due to respiration and instrument interaction causes image misalignment.
Current methods for managing intraoperative image registration are often manual and time-consuming.

Purpose of the Study:

To develop a computer-assisted, ultrasound-based tool for real-time instrument positioning in minimally invasive abdominal surgery.
To automatically calculate 3D/2D image misalignment caused by patient respiration and surgical instrument shifts.
To improve surgeon confidence and surgical outcomes through enhanced image guidance.

Main Methods:

Development of a software/hardware tool integrating ultrasound imaging.
Application of image registration techniques based on organ segmentation and shape description.
Real-time calculation of pre-/intra-operative image misalignment without user intervention.

Main Results:

Partial results demonstrate a promising image registration approach for the liver.
The methodology shows potential for accurate, real-time calculation of organ and instrument-induced shifts.
Preliminary findings indicate the tool's effectiveness in addressing intraoperative image misalignment.

Conclusions:

The developed computer-assisted ultrasound tool shows significant potential for improving instrument positioning during minimally invasive abdominal surgery.
Real-time, automated calculation of image misalignment can enhance surgical precision and safety.
Further development and validation are expected to increase surgeon confidence and lead to better surgical outcomes.