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Engineering  |  FURI

Alex Petras

Hometown: Tempe, Arizona, United States | Graduation Date: Spring 2020
Mechanical engineering

Magnetic Needle Steering for Minimally Invasive Surgery

Mentor:
Research Theme: Health
MORE: Spring 2020

This research aims to provide surgeons with a way to conduct more complex surgeries with increased precision and control in a minimally invasive manner. By utilizing a robotic arm to control a permanent magnet setup, the corresponding magnetic field direction and magnitude can be precisely controlled. The main objective of this project is to demonstrate a viable system for magnetic needle steering using this permanent magnet setup in a realistic tissue-like medium. In addition, a novel tracking system based on tension forces in the needle tether is utilized in order to determine the location and orientation of the needle.

Other Projects

Magnetic Needle Steering for Minimally Invasive Surgery

Mentor:
Research Theme: Health
MORE: Fall 2019

This research aims to provide surgeons with a way to conduct more complex surgeries with increased precision and control in a minimally invasive manner. By utilizing a robotic arm to control a permanent magnet setup, the corresponding magnetic field direction and magnitude can be precisely controlled. The main objective of this project is to demonstrate a viable system for magnetic needle steering using this permanent magnet setup in a realistic tissue-like medium. In addition, a novel tracking system based on tension forces in the needle tether is utilized in order to determine the location and orientation of the needle.

Magnetic Needle Steering for Minimally Invasive Surgery

Mentor:
Research Theme: Health
FURI: Spring 2019

The applications of robotics in surgery has allowed medical professionals to perform more complex, minimally invasive surgeries with increased precision and control. While most robotic systems are used simply to assist doctors, there is potential for the use of un-tethered robotic systems in minimally invasive surgical operations such as drug delivery and detection. The objective of this project is to design a needle steering system using a powerful permanent magnet attached to a robotic arm that will be tested within a phantom gel. This work could pave the way for the use of robotic needle steering in human applications.

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