医用组织补片熔体电纺三维打印虚拟仿真实验教学系统的构建与应用

Construction and Application of Virtual Simulation Experimental Teaching System for Melt Electrospinning 3D Printing of Medical Tissue Patch

针对医用组织补片熔体电纺三维打印实验设备成本高、原材料昂贵和实验耗时长等问题,利用3D虚拟仿真技术将熔体电纺三维打印机的工作原理及操作方法、医用组织补片微观结构设计和打印过程等进行实时模拟,开发出具有自主知识产权的虚拟仿真教学系统。该系统具有基础知识学习、知识点测试、线上虚拟操作和线上产品设计四大功能。学生采用课前线上学习、在线虚拟仿真实验、在线产品研发设计与线下实操相结合的混合式实验模式,提高了对医用组织补片产品研发设计的认识和理解。该系统的应用全面培养了学生的自主学习、创新性思维、产品研发和医工结合等能力,在实践中取得了良好的教学效果。

Aiming at the problems of high cost of experimental equipment,expensive raw materials and long experiment time for melt electrospinning 3 D printing of medical tissue patch,a virtual simulation teaching system with independent intellectual property rights was developed.The working principle and operation method of the melt electrospinning 3 D printer,the microstructure design of medical tissue patch and the printing process were simulated in real time by 3 D virtual simulation technology.A virtual simulation teaching system with independent intellectual property rights was developed.It has four functions of basic knowledge learning,knowledge point test,online virtual operation and online product design,which provides a process experience of human-computer interaction on 3 D printing and product design for students.The multi-dimensional teaching model was adapted that combined pre-class online learning,online virtual simulation experiments,online product development and design and offline experiments,which can improve understanding of the development and design of medical tissue patch,and comprehensively cultivate independent learning,innovative thinking,product R&D,and medical-industrial integration capabilities for students.A good effect has been achieved through teaching practice.