智能流体-固体合阴道扩张系统的生物机械评估:实验和数值分析
Renling Zou1, Hongwei Tan1, Xuan Zhang1
1Department of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, PR China.
Medical engineering & physics
|September 9, 2025
概括
这项研究引入了一个智能阴道扩张器用于镜检查,改善了患者的舒适性和扩张均性. 与传统方法相比,新系统提供了更高的安全性和性能.
科学领域:
- 生物医学工程 生物医学工程
- 医疗器械 医疗器械
- 妇科仪器 妇科仪器
背景情况:
- 宫癌对健康构成重大风险,死亡率高.
- 结肠镜对于早期发现宫癌至关重要.
- 传统的阴道扩张器会给患者带来不适和操作上的挑战.
研究的目的:
- 设计一个智能阴道扩张系统,用于自动化结肠镜检查.
- 为了提高患者在结肠镜检查过程中的舒适度.
- 提高阴道扩张的安全性和有效性.
主要方法:
- 开发一个智能阴道扩张系统,整合灵活和刚性技术.
- 模拟扩张过程使用流体-固体合的有限元素方法.
- 在实验室中对原型进行扩张位移和压力分析的实验.
主要成果:
- 模拟预测最大系统膨胀为32.2毫米,平均阴道壁压力为605.91kPa.
- 在体外实验中,平均最大膨胀达到30.49毫米,与模拟完全一致.
- 与传统扩展器相比,智能系统显示出更均的压力分布和更低的局部压力.
结论:
- 智能阴道扩张系统在性能,安全性和舒适性方面优于传统扩张器.
- 该研究验证了该设计的可行性和临床采用镜检查的潜力.
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