ZHANG Xiao-li, GAO Xiao-pei, LI Juan, et al. Designing and Application of an Intravenous Infusion Teaching System Based on Virtual Reality[J]. New Generation of Information Technology, 2023, 6(21): 35-40
ZHANG Xiao-li, GAO Xiao-pei, LI Juan, et al. Designing and Application of an Intravenous Infusion Teaching System Based on Virtual Reality[J]. New Generation of Information Technology, 2023, 6(21): 35-40 DOI: 10.3969/j.issn.2096-6091.2023.21.006.
Designing and Application of an Intravenous Infusion Teaching System Based on Virtual Reality
虚拟现实技术可以构建一个虚拟、逼真的操作环境,非常适合在静脉输液流程培训和穿刺培训中应用。但虚拟现实技术目前在护士输液教学和培训中的应用尚不广泛,即使已经应用的其使用效果也参差不齐。最主要的问题是虚拟现实的输液培训系统缺乏专业的护士参与。本研究通过深入了解静脉输液培训系统的临床需求,并融入了专业护士的操作经验,设计了一款基于虚拟现实技术的静脉输液培训系统。该系统分为系统管理、训练与考试、评分模型、输液步骤和数据记录5个部分,操作者通过佩戴HTC VIVE实现了3D场景呈现,系统使用Leap Motion捕捉用户动作,使用Unity进行程序设计、Steam VR(Virtual Reality)进行3D内容展示、基于物理的渲染(Physically Based Rendering,PBR)流程进行模型视觉效果渲染设计。该系统在护士培训中进行了实际应用,使受训护士在熟悉静脉输液流程和穿刺技术手法的同时,克服了心理紧张的影响。
Abstract
Virtual reality (VR) technology can create a virtual
realistic operating environment that is ideal for IV infusion process training and puncture training. However
virtual reality technology is not widely used in nurses' infusion teaching and training
and the use effect is uneven. The main problem is that the virtual reality infusion training system lacks the involvement of professional nurses. Through an in-depth understanding of the clinical needs of the intravenous infusion training system and the integration of the operational experience of professional nurses
an intravenous infusion training system based on virtual reality technology was designed. The system is divided into five parts: system management
training and examination
scoring model
infusion steps and data recording. The operator wears the HTC VIVE to achieve 3D scene rendering. The system uses leap motion to capture user movements
Unity for programming
Steam VR for 3D content display
and physically based rendering (PBR) for model visual rendering design. The system has been put into practical use in nurse training
so that the trained nurses are familiar with the intravenous infusion process and puncture techniques
and overcome the influence of psychological stress.
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