Related Experiment Video
Updated: May 28, 2026
09:57
A Protocol to Set Up Needle-Free Connector with Positive Displacement on Central Venous Catheter in Intensive Care Unit
Published on: July 13, 2019
Development of a needle insertion manipulator for central venous catheterization
Yo Kobayashi1, Jaesung Hong, Ryutaro Hamano
1Faculty of Science and Engineering, Waseda University, Japan.
Summary
A novel robotic system assists central venous catheterization, improving needle accuracy to 1.0 mm. This technology enhances safety by ensuring precise needle placement within the vein, reducing procedural risks.
Area of Science:
- Robotics in Medicine
- Medical Device Technology
- Vascular Access Procedures
Background:
- Central venous catheterization is crucial for transfusions but carries risks like bleeding and pneumothorax.
- Physician skill is vital to ensure secure needle insertion and prevent complications.
- Minimizing risks requires precise needle placement within the target vein.
Purpose of the Study:
- To develop and evaluate a robotic system for assisting venous puncture.
- To alleviate difficulties and minimize complications associated with conventional catheterization.
- To enhance the precision and safety of needle insertion during central venous catheterization.
Main Methods:
- Designed a robotic needle insertion manipulator for central venous catheterization.
- Investigated insertion force and angle relationships to determine optimal vein entry parameters (10-20° insertion angle).
- Validated system accuracy using phantom models and ultrasound imaging.
Main Results:
- Achieved a positioning accuracy of 1.0 mm or better, deemed feasible for venous puncture.
- Confirmed the robotic manipulator's capability to accurately place needles within the vein in phantom experiments.
- Demonstrated the potential of reaction force as an indicator for successful vein entry.
Conclusions:
- The developed robotic system shows feasibility for assisting central venous catheterization.
- The system demonstrates potential for improving accuracy and safety in vascular access procedures.
- Further in vivo studies are necessary to fully validate the system's clinical efficacy.
