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Achmad Syaifudin^1,2, Zafarel Zeta Averil¹, Maulana Y Izzuddin¹

¹Department of Mechanical Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia.

Journal of biomedical materials research. Part B, Applied biomaterials

|November 14, 2025

概括

尿道支架材料的选择是长寿的关键,而不仅仅是机械强度. 聚氨适合短期使用 (<6个月),而更适合长期 (>6个月) 应用.

科学领域:

生物材料科学生物材料科学
医疗设备工程医疗设备工程
聚合物科学聚合物科学

背景情况:

尿道支架通常由聚氨和制成,在移除时可能会意外损坏.
即使患者遵守预定的移除时间,也会观察到这个问题.
了解材料特性对于改善尿路支架使用寿命和患者的治疗结果至关重要.

研究的目的:

研究尿道支架材料机械性质对其使用寿命的影响.
为了确定拉伸强度和弹性模量是否与尿道支架耐用性相关.
根据预期的支架持续时间提供材料选择指导.

主要方法:

拉伸测试对五个尿路支架样本进行了拉伸测试,使用寿命不同.
使用富里埃变换红外光谱法 (FTIR) 分析了材料组成.
扫描电子显微镜与能量分散式X射线光谱学 (SEM/EDX) 用于检测材料混合物.

主要成果:

在拉伸强度或弹性模量和尿道支架使用寿命之间没有发现统计学意义上的相关性 (p > 0.05).
机械性能没有显著影响研究的尿路支架的耐用性或寿命.
材料选择应与预期的持续时间保持一致:聚氨<6个月和>6个月.

结论:

尿道支架的使用寿命不仅取决于机械性能,如拉伸强度或弹性模量.
最佳的材料选择包括将聚氨用于短期应用和用于长期应用.
为指导未来的支架设计,建议的最小拉伸强度为11.81 MPa,聚氨9.11 MPa.

关键词:

弹性模块的弹性模块.一个聚合物聚合物.拉力强度拉力强度拉力强度泌尿器支架是一种尿管支架.

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