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Updated: Jul 13, 2026
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Three-Dimensional Ultrasonic Needle Tip Tracking with a Fiber-Optic Ultrasound Receiver
Published on: August 21, 2018
GPU based real-time instrument tracking with three-dimensional ultrasound.
Paul M Novotny1, Jeff A Stoll, Nikolay V Vasilyev
1School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA 02138, USA.
Medical Image Analysis
|August 8, 2007
Summary
This study introduces a new ultrasound-based technique for real-time 3D instrument tracking in cardiac surgery. The method accurately detects surgical instruments within ultrasound volumes, improving surgical precision.
Area of Science:
- Medical Imaging
- Surgical Technology
- Computer Vision
Background:
- Real-time 3D ultrasound is crucial for intracardiac surgery.
- Instrument visibility in ultrasound images presents a significant surgical challenge.
Purpose of the Study:
- To develop and validate a technique for detecting and tracking surgical instruments in real-time 3D ultrasound volumes.
- To enhance surgeon's ability to visualize and control instruments during intracardiac procedures.
Main Methods:
- A generalized Radon transform algorithm was employed to identify linear instrument features in ultrasound data.
- Passive markers on instruments aided in determining full 3D position and orientation.
- Graphics processing units (GPUs) were utilized for rapid algorithm execution.
Main Results:
- The GPU-accelerated detection achieved real-time performance (31 ms per volume).
- Instrument orientation errors were 1.1 degrees, and tip position errors were <1.8mm in phantom studies.
- Successful in vivo tracking of a surgical instrument within a beating porcine heart was demonstrated.
Conclusions:
- The developed detection technique enables accurate, real-time 3D instrument tracking for intracardiac surgery.
- This technology has the potential to improve surgical navigation and outcomes.
- The algorithm's efficiency allows for practical implementation with current hardware.
