Development of Artery Repairing Material using Shape Memory Alloy for Cerebral Aneurysm

(1)用于脑动脉瘤的形状记忆合金动脉修补材料的研制本报告研究了治疗脑动脉瘤的新技术。通过血管内途径进行动脉瘤内血栓形成的新技术已被设想用于实验。我们将报告它所基于的材料的基本特性的结果，使用TiNi形状记忆合金的修复材料，除不锈钢输送导丝外的修复材料，微导管和形状恢复装置。形状记忆合金柔软，与脑动脉瘤的大小和形状相适应。这项技术包括通过固定的血管内形状记忆合金制造血管内血栓。形状记忆过程后，通过差示扫描量热法得到曲线。这是一种新开发的微导管，环形电极是由白银导线制成的，它将电极连接到高频电流发生器上。The Results…在我们的实验工作中观察到更多的是使用修复材料。血管内导航和微导管在动脉瘤模型内的定位是固定的。(2)形状记忆合金血管修复罩的研制本报告研究了以下形状记忆合金脑动脉瘤修复体。我们正在研究的是一种使用TiNi形状记忆合金的血管修复罩和形状恢复敷贴器。在血管手术之前，在织机上将形状记忆合金丝缠绕在经纱上，形状记忆合金丝已经被记忆到几乎血管的直径。将血管修复盖贴在出血部位附近操作，使其受热，待修复盖形状记忆后，将血管包裹在盖子内。用犬颈动脉进行动物实验，对所研制的血管修复罩进行评价。实现了船舶修复覆盖，验证了新方法的有效性。较少

(1)Development of Artery Repairing Material using Shape Memory Alloy for Cerebral AneurysmThis reports studies the new technique for treatment of cerebral aneurysm. The new technique of intra-aneurysmal thrombosis via an endovascular approach has been conceived in attempt to experimentation. We will report the results for the basic characteristics of material on which it based, repairing material using TiNi shape memory alloy, repairing material apart from stainless steel delivery guidewire, a microcatheter, and shape recovery device. The shape memory alloy is soft and will adapt to the size and shape of the cerebral aneurysm. This technique consists of the production of an endovascular thrombus by a positively fixed endovascular shape memory alloy. After shape memorization process we get by DSC the curves. A newly developed microcatheter, the ring shaped electrodes are made from whitegold wire which connect the electrodes to the high frequency electrical current generator. The results … More observed in our experimental work using the repairing material. The intra-vascular navigation and the positioning of a microcatheter within the aneurysm model can be fixed performed.(2)Development of a Vessel Repairing Cover using Shape Memory AlloyThis reports studies the following repairing matrial using shape memory alloy for cerebral aneurysm. Our resarch is developing is a vessel repairing cover which use a TiNi shape memory alloy, and the shape recovery applicator. In advance of the vessel surgery, shape memory alloy wire which has been memorised to almost the diameter of the vessel is spread is tucked around the warp on a weaving machine. The vessel repairing cover is applied near the bleeding region and operated causing the heated, after the repairing cover is shape memory the vessel is wrapped up in the cover. Animal experiment is performed to evaluate the developed vessel repairing cover by using a dog of carotid arteries. The vessel repairing cover was realized and effectiveness of new approach was confirmed. Less