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Ultrasound-guided needle handling using a guidance positioning system in a phantom.

L K P Tielens1, R B C C Damen, J G C Lerou

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|December 11, 2013
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Summary

The SonixGPS™ needle guidance system improved ultrasound-guided procedures for inexperienced nurse anesthetists. Navigation reduced needle repositioning and execution time, enhancing patient safety.

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Area of Science:

  • Medical Devices
  • Ultrasound Technology
  • Surgical Navigation

Background:

  • Ultrasound-guided procedures are crucial in medical interventions.
  • Minimizing tissue manipulation is key for patient comfort and safety.
  • Needle handling during ultrasound guidance can be challenging for inexperienced practitioners.

Purpose of the Study:

  • To evaluate the effectiveness of the SonixGPS™ needle guidance positioning system.
  • To assess the impact of navigation assistance on needle handling during ultrasound-guided tasks.
  • To compare procedural outcomes with and without the SonixGPS™ system in a simulated environment.

Main Methods:

  • Twenty inexperienced nurse anesthetists performed ultrasound-guided tasks in a porcine phantom.
  • Tasks involved needle insertion using both in-plane and out-of-plane approaches at varying depths.
  • Performance was compared with and without the SonixGPS™ navigation system using paired observations.

Main Results:

  • The SonixGPS™ system significantly reduced execution times and needle repositionings in the out-of-plane approach (p=0.01 and p=0.001, respectively).
  • Needle visibility during execution time was significantly higher with navigation in the in-plane approach (p=0.0025).
  • Improved needle visibility correlated with shorter execution times and fewer needle repositionings.

Conclusions:

  • The SonixGPS™ needle guidance positioning system enhances ultrasound-guided procedures.
  • Navigation assistance can lead to reduced tissue manipulation, potentially improving patient comfort and safety.
  • Integrating navigation systems with ultrasound guidance offers a promising approach for medical training and practice.