To main content

A Methodical Quantification of Needle Visibility and Echogenicity in Ultrasound Images

A Methodical Quantification of Needle Visibility and Echogenicity in Ultrasound Images

Category
Journal publication
Abstract
Abstract—During ultrasound-guided percutaneous interventions, needle localization can be a challenge. To increase needle visibility, enhancements of both the imaging methods and the needle surface properties have been investigated. However, a methodical approach to compare potential solutions is currently unavailable. The work described here involves automated image acquisition, analysis and reporting techniques to collect large amounts of data efficiently, delineate relevant factors and communicate effects. Data processing included filtering, line fitting and image intensity analysis steps. Foreground and background image samples were used to compute a contrast-to-noise ratio or a signal ratio. The approach was evaluated in a comparative study of commercially available and custom-made needles. Varied parameters included needle material, diameter and surface roughness. The shafts with kerfed patterns and the trocar and chiba tips performed best. The approach enabled an intuitive polar depiction of needle visibility in ultrasound images for a large range of insertion angles.
Language
English
Author(s)
  • Van De Berg Nick J
  • Sanchez-Margallo Juan A.
  • van Dijke Arjan P
  • Langø Thomas
  • Van Den Dobbelsteen John J
Affiliation
  • Delft University of Technology
  • University of Extremadura
  • SINTEF Digital / Health Research
Year
2019
Published in
Ultrasound in Medicine and Biology
ISSN
0301-5629
Volume
45
Issue
4
Page(s)
998 - 1009