Hybrid Simulation Using Mixed Reality for Interventional Ultrasound Imaging Training

Overview

Journal Int J Comput Assist Radiol Surg

Publisher Springer

Specialties General Surgery
Radiology

Date 2014 Sep 13

PMID 25213270

Citations 4

Authors

C Freschi

S Parrini

N Dinelli

M Ferrari

V Ferrari

Affiliations

Soon will be listed here.

Abstract

Purpose: Ultrasound (US) imaging offers advantages over other imaging modalities and has become the most widespread modality for many diagnostic and interventional procedures. However, traditional 2D US requires a long training period, especially to learn how to manipulate the probe. A hybrid interactive system based on mixed reality was designed, implemented and tested for hand-eye coordination training in diagnostic and interventional US.

Methods: A hybrid simulator was developed integrating a physical US phantom and a software application with a 3D virtual scene. In this scene, a 3D model of the probe with its relative scan plane is coherently displayed with a 3D representation of the phantom internal structures. An evaluation study of the diagnostic module was performed by recruiting thirty-six novices and four experts. The performances of the hybrid (HG) versus physical (PG) simulator were compared. After the training session, each novice was required to visualize a particular target structure. The four experts completed a 5-point Likert scale questionnaire.

Results: Seventy-eight percentage of the HG novices successfully visualized the target structure, whereas only 45% of the PG reached this goal. The mean scores from the questionnaires were 5.00 for usefulness, 4.25 for ease of use, 4.75 for 3D perception, and 3.25 for phantom realism.

Conclusions: The hybrid US training simulator provides ease of use and is effective as a hand-eye coordination teaching tool. Mixed reality can improve US probe manipulation training.

Citing Articles

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Accuracy Evaluation Trial of Mixed Reality-Guided Spinal Puncture Technology.

Wu J, Gao L, Shi Q, Qin C, Xu K, Jiang Z Ther Clin Risk Manag. 2023; 19:599-609.

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Patient-specific ultrasound liver phantom: materials and fabrication method.

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