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Ear-hearing mechanism inspired miniature pressure sensing system for monitoring brain aneurysms

机译:耳听机制启发了用于监测脑动脉瘤的微型压力传感系统

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Subarachnoid hemorrhage from ruptured aneurysm account for 10 to 15% death immediately. The post procedural complication with the endovascular flow diverting stent treatment is 3% leading to delayed bleeding. Short-term studies show no significant pressure reduction inside the aneurysm after the stent placement. Our proposal is on designing a bio-inspired, self-powered, passively operated micro (<; 1cm) PVDF pressure sensor that can be deployed within the aneurysm, during flow diverting endovascular treatment that is very sensitive to small changes in pressure. The design proposal follows the ear mechanism by incorporating the surface area increase and leverage mechanism so that the sensors can generate stronger signal.
机译:动脉瘤破裂引起的蛛网膜下腔出血立即导致10%至15%的死亡。血管内分流支架治疗的手术后并发症为3%,导致出血延迟。短期研究显示,放置支架后,动脉瘤内部的压力没有明显降低。我们的建议是设计一种生物启发的,自供电的,被动操作的微型(<; 1cm)微型PVDF压力传感器,该传感器可以在对压力的微小变化非常敏感的分流血管内治疗期间部署在动脉瘤内。该设计建议遵循耳朵机制,并结合了表面积增加和杠杆作用机制,以便传感器可以生成更强的信号。

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