Alex Petras

Mechanical engineering

Hometown: Tempe, Arizona, United States

Graduation date: Spring 2020

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MORE | Spring 2020

Magnetic Needle Steering for Minimally Invasive Surgery

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.

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Additional projects from this student

Developing magnetic needle steering technology will help health care professionals perform precise, minimally invasive surgeries.

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  • Fall 2019

Designing a magnetic needle steering and tracking system will help advance minimally invasive surgery using robotics.

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  • FURI
  • Spring 2019

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