Study on the application of 3D printing and mixed reality technology in teaching ultrasound-guided spinal puncture

Yuan Qing; Xia Di; Cui Xulei; Tan Gang

doi:10.3760/cma.j.cn116021-20240401-01916

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Study on the application of 3D printing and mixed reality technology in teaching ultrasound-guided spinal puncture

PUMC Column on Exploring Postgraduate Education in Anesthesiology | 更新时间：2024-12-26

- Study on the application of 3D printing and mixed reality technology in teaching ultrasound-guided spinal puncture
- Chinese Journal of Medical Education Research Vol. 23, Issue 12, Pages: 1631-1635(2024)
- 作者机构：
  
  中国医学科学院　北京协和医学院　北京协和医院麻醉科，北京　100730
- 作者简介：
  
  Cui Xulei, Email: cuixulei10685@pumch.cn
- 基金信息：
  
  Peking Union Medical College Graduate Education Innovation Fund(2024yjsjg015);National High-Level Hospital Clinical Research Fund(2022-PUMCH-B-007)
- DOI：10.3760/cma.j.cn116021-20240401-01916
  CLC： R614.4
- Published：20 December 2024，
  
  Received：01 April 2024，
- 稿件说明：
移动端阅览
袁青, 夏迪, 崔旭蕾, 等. 3D打印结合混合现实技术在超声引导下椎管内穿刺教学中的应用研究[J]. 中华医学教育探索杂志, 2024, 23(12): 1631-1635.

YUAN QING, XIA DI, CUI XULEI, et al. Study on the application of 3D printing and mixed reality technology in teaching ultrasound-guided spinal puncture. [J]. Chinese journal of medical education research, 2024, 23(12): 1631-1635.
袁青, 夏迪, 崔旭蕾, 等. 3D打印结合混合现实技术在超声引导下椎管内穿刺教学中的应用研究[J]. 中华医学教育探索杂志, 2024, 23(12): 1631-1635. DOI： 10.3760/cma.j.cn116021-20240401-01916.

YUAN QING, XIA DI, CUI XULEI, et al. Study on the application of 3D printing and mixed reality technology in teaching ultrasound-guided spinal puncture. [J]. Chinese journal of medical education research, 2024, 23(12): 1631-1635. DOI： 10.3760/cma.j.cn116021-20240401-01916.

摘要

目的

研究3D打印与MR技术在超声引导下脊柱侧弯椎管穿刺教学中的应用效果，旨在为提高该领域的教学效果提供新思路。

方法

在北京协和医院麻醉科选择没有脊柱超声相关经验的麻醉医师20人，于2024年3月接受超声引导下椎管内穿刺的培训。这些医

师被分为两组：MR眼镜+3D打印组和3D打印组，每组各10名学员。在MR眼镜+3D打印组中，学员首先佩戴HoloLens 2眼镜学习脊柱模型，随后在3D打印的脊柱实体模型上进行超声引导下椎管内穿刺的实践。而3D打印组的学员则直接在3D打印的脊柱实体模型上进行超声引导下椎管内穿刺的实践。教学效果通过客观穿刺指标（包括穿刺成功率和穿刺时间）及问卷调查方法进行评价。数据采用SPSS 27.0软件进行独立样本

检验和卡方检验分析。

结果

MR眼镜+3D打印组的穿刺时间[（165.90±69.91） s

]

相较于3D打印组[（239.30±80.30） s

]

更短（

=2.18，

=0.043）。MR眼镜+3D打印组的穿刺成功率为90.00%（9/10），而3D打印组的穿刺成功率为80.00%（8/10），两组之间的差异没有统计学意义（

0.999）。在培训的满意度和推荐度方面，MR眼镜+3D打印组的学员分别为（4.70±0.48）和（4.80±0.42），而3D打印组的学员则分别为（4.80±0.42）和（4.90±0.32）。经统计检验，两组在满意度上的差异无统计学意义（

=0.49，

=0.628），在推荐度上的差异也无统计学意义（

=0.60，

=0.556）。

结论

3D打印与MR技术相结合，可以为初学者提供安全、可重复训练的高仿真超声引导下椎管内穿刺培训系统。该系统能够提升学员对超声引导下椎管内穿刺技术的信心，并增强培训的趣味性，提高培训效率。在脊柱超声及超声引导下椎管内穿刺技术的培训方面，这一结合展示出了明显的优势与潜力。

Abstract

Objective

To evaluate the effects of 3D printing and mixed reality (MR) in teaching ultrasound-guided spinal puncture for scoliosis and to provide new approaches for enhancing educational outcomes in this field.

Methods

Twenty anesthesiologists with no experience of spine ultrasound were selected from the Department of Anesthesiology at Peking Union Medical College Hospital and received training in ultrasound-guided spinal puncture in March 2024. They were assigned to the MR glasses+3D printing group or 3D printing group

with 10 participants in each group. The trainees in the MR glasses+3D printing group observed the spine model with the HoloLens 2 glasses and then conducted ultrasound-guided spinal puncture on the 3D-printed spine model. The trainees in the 3D printing group directly conducted ultrasound-guided spinal puncture on the 3D-printed spine model. The teaching effects were evaluated with objective puncture indicators (success rate and puncture time) and questionnaire survey. Data were analyzed using the independent

samples

-test or chi-square test in SPSS 27.0.

Results

The puncture time was shorter in the MR glasses+3D printing group compared with the 3D printing group [(165.90±69.91) s vs. (239.30±80.30) s

=2.18

=0.043

]

. The success rate of spinal puncture was 90.00% (9/10) in the MR glasses+3D printing group and 80.00% (8/10) in the 3D printing group

with no statistically significant difference (

0.999). The satisfaction [(4.70±0.48) vs. (4.80±0.42)

=0.49

=0.628

]

and recommendation [(4.80±0.42) vs. (4.90±0.32)

=0.60

=0.556

]

of the training method showed insignificant differences between the MR glasses+3D printing group and the 3D printing group.

Conclusions

The combination of 3D printing with MR technology can provide trainees with a safe and repeatable high-fidelity simulation training system for ultrasound-guided spinal puncture. The system can improve the confidence and interest of trainees in ultrasound-guided spinal puncture techniques and enhance training efficiency. This combination demonstrates advantages and potential in training for spinal ultrasound and ultrasound-guided spinal puncture.

关键词

3D打印混合现实椎管内穿刺超声引导医学教育

Keywords

3D printingMixed realitySpinal punctureUltrasound guidanceMedical education

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