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动脉瘤模型与卷轴之间的接触力评估,用于对内动脉瘤的栓塞
Kazuto Takashima1, Yuta Ikeda1, Kiyoshi Yoshinaka2
1Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, Kitakyushu, Fukuoka, Japan.
Journal of neuroendovascular therapy
|July 28, 2023
概括
调查线圈栓塞安全性,这项研究发现,当导管尖靠近动脉瘤圆顶时,接触力会增加. 二次线圈直径也会影响力,这对于安全的内动脉瘤治疗至关重要.
科学领域:
- 生物医学工程 生物医学工程
- 神经外科 神经外科
- 医疗器械研究 医疗器械研究
背景情况:
- 对于内动脉瘤而言,安全的线圈栓塞需要了解线圈-动脉瘤壁接触力.
- 导管尖位置和二次线圈直径对接触力的影响尚不清楚.
研究的目的:
- 在不同的条件下测量线圈和动脉瘤生物模型之间的接触力.
- 调查导管尖位置和二次线圈直径如何影响线圈栓塞期间的接触力.
主要方法:
- 使用微导管和自动阶段将一个商业线圈插入到5毫米膠動脈瘤模型中.
- 接触力是用附在动脉瘤模型上的力传感器来测量的.
- 导管尖位置 (圆顶,中心,部) 和二次线圈直径系统地变化.
主要成果:
- 观察到更深的导管尖插入时,接触力增加,特别是在动脉瘤圆顶附近.
- 接触力也随着二次线圈直径更大而增加,当导管尖靠近或在圆顶中心时.
结论:
- 导管尖位置和二次线圈直径是影响线圈栓塞的接触力的重要因素.
- 动脉瘤圆顶附近较高的接触力需要仔细考虑,以确保安全的线圈部署和治疗.
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