| 张昊旻,代玉静*,冯义辉,王琮文,李钰,陈雪,郇勇*.软基体医用导管涂层围压式摩擦实验技术研究及应用[J].实验力学,2023,38(1):9~16 |
| 软基体医用导管涂层围压式摩擦实验技术研究及应用 |
| Research and application of friction experiment technology based on surrounding pressure for soft matrix medical catheter coating |
| 投稿时间：2022-04-14 修订日期：2022-05-24 |
| DOI：10.7520/1001-4888-22-095 |
| 中文关键词: 实验装置 软基体 涂层 导尿管 摩擦系数 润滑性能 附着性能 |
| 英文关键词:experimental installation soft matrix coating catheter coefficient of friction lubricating property adhesive property |
| 基金项目:国家自然科学基金(11972037)资助 |
|
| 摘要点击次数: 844 |
| 全文下载次数: 103 |
| 中文摘要: |
| 附着有功能涂层的导尿管、静脉导管等软基体医用导管在临床使用时会和人体尿道、血管等内表面组织发生摩擦，存在涂层脱落的风险，因此，需对其润滑性能和附着性能进行测试表征。基于临床实际使用工况，研制了一种软基体医用导管涂层围压式摩擦实验装置，并发展了相关的涂层润滑性能、附着性能表征方法；同时，利用该装置对附着有聚乙烯吡络烷酮的导尿管进行了实验。结果显示，乳胶和PVC基体的导尿管的平均摩擦系数分别为0.0143和0.0153；该方法的测量结果不易受试样尺寸、基体材质、围压压强影响；同时，根据该装置监测摩擦力的变化情况可以灵敏地判断涂层脱落情况；该实验技术可以有效解决软基体医用导管涂层润滑性能、附着性能的表征难题。 |
| 英文摘要: |
| Soft matrix medical catheters such as urethral catheters and venous catheters attached with functional coating may rub with internal surface tissues such as the human urethra and blood vessels in clinical use, which exists a risk of decoating. Therefore, it is necessary to test their lubrication and adhesion properties. In this paper, based on the actual clinical working conditions, a friction experimental device for medical soft-matrix catheter coating was developed, and the related characterization methods of coating lubrication performance and adhesion performance were developed. At the same time, the device was used to test the catheter attached with polyvinylpyrrolidone. The results showed that the average COF of the catheter for latex and PVC matrix were 0.0143 and 0.0153. Respectively, the measurement results are unrelated to sample size, matrix materials, or confining pressure. At the same time, the changeable friction force can be used to judge the detachment of catheter coating sensitively. It shows that the experimental technology can effectively solve the characterization problems of lubrication and adhesion properties of soft matrix medical catheter coating. |
| 查看全文 下载PDF阅读器 |
| 关闭 |
