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Related Experiment Video

Updated: Jan 31, 2026

Fabrication and Characterization of Optical Tissue Phantoms Containing Macrostructure

Fabrication and Characterization of Optical Tissue Phantoms Containing Macrostructure

Published on: February 12, 2018

A Simple, Realistic, Inexpensive Nerve Phantom.

Kimberly M Rathbun¹, William T Brader², John W Norbury²

¹Departments of Emergency Medicine, Brody School of Medicine at East Carolina University, Greenville, North Carolina, USA.

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine

|December 22, 2018

Summary

This summary is machine-generated.

This study introduces an affordable, homemade ultrasound phantom for training nerve blocks. The novel design minimizes posterior shadowing, improving visualization of simulated nerves during needle guidance.

Keywords:

education nerve block phantom simulation

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Area of Science:

Medical Education
Ultrasound Technology
Anesthesiology

Background:

Ultrasound-guided nerve blocks are essential in medical practice.
Training phantoms are crucial for learning these procedures.
Existing homemade phantoms often suffer from poor image quality due to posterior shadowing.

Purpose of the Study:

To develop a low-cost, effective ultrasound phantom for nerve block training.
To address the limitations of existing homemade phantoms, specifically posterior shadowing.

Main Methods:

A novel nerve phantom was constructed using a hot dog core.
The core was embedded in a mixture of gelatin and psyllium hydrophilic mucilloid fiber.
The phantom's ultrasound imaging properties were evaluated.

Main Results:

The developed phantom demonstrated minimal to no posterior shadowing.
This improved the visualization of the simulated nerve structure.
The phantom proved to be simple and inexpensive to create.

Conclusions:

This homemade ultrasound phantom offers a cost-effective and practical alternative for nerve block training.
The reduced posterior shadowing enhances the educational value by improving needle visualization.
This innovation can make ultrasound-guided procedure training more accessible.