'Smart' needle for percutaneous surgery: influential factor investigation
Kaiguo Yan1, Tarun Podder, Wan Sing Ng
1Department of Radiation Oncology, Jefferson Medical College of Thomas Jefferson University, Philadelphia, PA 19107, USA.
Summary
This study introduces a
Area of Science:
- Medical Devices
- Robotics
- Materials Science
Background:
- Percutaneous interventions require precise needle insertion.
- Target movement and needle deflection present significant challenges.
- Existing methods lack active control for needle steering.
Purpose of the Study:
- To present the preliminary design and simulation of an active needle steering system.
- To explore the feasibility of using piezoelectric actuators for needle tip adjustment.
- To optimize smart needle design for improved displacement with reduced electrical input.
Main Methods:
- Design of a 'Smart Needle' incorporating piezoelectric actuators.
- Simulation of needle tip deflection based on actuator parameters.
- Analysis of factors influencing deflection, including input voltage and actuator dimensions.
Main Results:
- Demonstrated the capability of piezoelectric actuators to adjust needle tip position.
- Quantified the relationship between input voltage, actuator dimensions, and needle deflection.
- Identified key parameters for effective smart needle design.
Conclusions:
- The 'Smart Needle' concept shows promise for active needle steering.
- Simulation results provide valuable data for optimizing smart needle design.
- Further development can lead to more efficient and precise percutaneous interventions.
