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Published on: October 16, 2017
Development of an integrated needle insertion system with image guidance and deformation simulation
Yo Kobayashi1, Akinori Onishi, Hiroki Watanabe
1Faculty of Science and Engineering, Waseda University, Japan. you-k@aoni.waseda.jp
Summary
This study presents an ultrasound-guided manipulator and a physical liver model for precise needle insertion. The system accurately guides needles and simulates tissue deformation, enhancing surgical accuracy.
Area of Science:
- Medical Robotics
- Surgical Simulation
- Biomedical Engineering
Background:
- Accurate needle insertion is crucial for minimally invasive procedures.
- Liver deformation during insertion poses a challenge for precision.
Purpose of the Study:
- To develop an integrated system for accurate needle insertion using image guidance and deformation simulation.
- To enhance precision in medical interventions requiring needle placement.
Main Methods:
- Designed an ultrasound-guided needle insertion manipulator.
- Developed a physical liver model to simulate tissue deformation.
- Validated the system through in vivo experiments on a porcine liver.
Main Results:
- The manipulator demonstrated accurate needle tip positioning.
- The liver model effectively reproduced nonlinear force increases during needle insertion.
- In vivo experiments confirmed the system's effectiveness.
Conclusions:
- The developed needle insertion manipulator and physical liver model are effective tools for achieving accurate needle insertion.
- This integrated system shows promise for improving the safety and efficacy of image-guided interventions.
