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Related Concept Videos

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

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Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
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Related Experiment Video

Updated: Jul 23, 2025

Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures
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A System to Track Stent Location in the Human Body by Fusing Magnetometer and Accelerometer Measurements.

Yifan Zhang1, William W Clark1, Bryan Tillman2

  • 1Mechanical Engineering and Materials Science Department, University of Pittsburgh, Pittsburgh, PA 15261, USA.

Sensors (Basel, Switzerland)
|July 11, 2023
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Summary
This summary is machine-generated.

A novel magnetic locating system tracks arterial stents for battlefield trauma. This system offers accurate, easy-to-use stent placement where imaging is unavailable, improving patient outcomes.

Keywords:
location trackingmagnetic fieldmagnetometersensor fusionstent guidance

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Area of Science:

  • Biomedical Engineering
  • Medical Devices
  • Surgical Navigation

Background:

  • Arterial stents are crucial for hemostasis in trauma situations.
  • Field deployment necessitates portable, non-imaging-based localization solutions.
  • Accurate stent placement is vital to prevent complications.

Purpose of the Study:

  • To introduce a simple magnetic locating system for arterial stent deployment.
  • To enhance stent placement accuracy and repeatability in austere environments.
  • To address challenges in magnetic-based localization for medical applications.

Main Methods:

  • Utilizing an external reference magnet and an internal magnetometer on the stent.
  • Developing algorithms to mitigate magnetic interference, sensor rotation, and noise.
  • Validating system performance through benchtop experiments.

Main Results:

  • Demonstrated a functional magnetic locating system for arterial stents.
  • Quantified the impact of error sources on localization accuracy.
  • Validated the effectiveness of disturbance-elimination procedures.

Conclusions:

  • The developed system provides a viable solution for accurate stent localization in field trauma.
  • The methods effectively address common sources of error in magnetic-based navigation.
  • Further validation is recommended for clinical applicability.