期刊文献+
共找到3篇文章
< 1 >
每页显示 20 50 100
The Application Value of Swan-Neck Microcatheter in Peripheral Vascular Interventional Therapy
1
作者 Xiang Zheng ruidong zhao Yao Zhou 《Journal of Biosciences and Medicines》 2024年第9期132-141,共10页
Background and Objectives: Establishing a stable pathway is the basis for interventional surgery, and hyper-selected intubation has become the basic requirement for vascular intervention therapy. Super-selection intub... Background and Objectives: Establishing a stable pathway is the basis for interventional surgery, and hyper-selected intubation has become the basic requirement for vascular intervention therapy. Super-selection intubation can not only significantly improve the efficacy of peripheral intervention treatment, but also greatly reduce surgical complications. However, during the treatment of peripheral vascular intervention (such as liver tumor arterial chemotherapy embolism, hemoptysis bronchial arterial embolism, gastrointestinal hemorrhagic gastrointestinal arterial embolism, etc.), vascular mutation is often large, and there are many branches, and the direction of blood flow is into the direction of blood flow, the horns are even reverse, and even the use of straight-headed microstructures will have difficulty interpolation difficulties or even failure, which increases the risk of surgery and affects safety treatment. To overcome this, pre-plasticized microcatheters have emerged, among which the InstantPass Swan-Neck Microstructure is a catheter with a head-end morphology similar to Cobra. Our research aims to explore the feasibility, safety, and technical advantages of the use of swan-neck microcatheter in peripheral vascular hyperboloid intubation. Materials and Methods: From January 2023 to March 2024, 31 patients with swan-neck microstructure were used in the peripheral vascular intervention therapy outside the hospital. Among them, there were 23 men and 8 women, aged 32 - 81 years old, an average (55 ± 13) years, and the average irradiation time was 35.1 ± 24.7 minutes. 10 cases of iodide oil arterial chemotherapy embolism, 7 cases of microspheres of hepatic arteries, 3 cases of gastric duodenal artery selective embolism, 3 cases of vein embolism with esophageal stomach, and 2 cases of sperm varicose vein embolism, 2 cases of selective embolism of the intestinal membrane, 2 cases of uterine arteries embolism, and 2 cases of renal arterial embolism. 11 of these patients switched to the swan-neck microstructu 展开更多
关键词 Peripheral Artery Superselective Catheterization Swan-Neck Microcatheter
下载PDF
A Case of Target Immunotherapy Combined with Interventional Therapy for Massive Liver Cancer
2
作者 ruidong zhao Xiang Zheng 《Journal of Biosciences and Medicines》 CAS 2023年第2期208-214,共7页
This article reports a case of massive hepatocellular carcinoma. After intervention combined with targeted and immunotherapy, it was successfully cured by surgical resection, which provides some experience for the com... This article reports a case of massive hepatocellular carcinoma. After intervention combined with targeted and immunotherapy, it was successfully cured by surgical resection, which provides some experience for the comprehensive treatment of liver cancer, and also improves the understanding of systematic treatment of liver cancer, so as to improve the understanding and diagnosis of the disease. 展开更多
关键词 Hepatocellular Carcinoma Targeted Therapy IMMUNOTHERAPY Interventional Therapy
下载PDF
单晶NiTi形状记忆合金薄膜的纳米压痕循环变形分子动力学模拟
3
作者 赵睿东 邢哲源 +1 位作者 于超 康国政 《固体力学学报》 CAS CSCD 北大核心 2023年第4期512-525,共14页
采用第二近邻修正型嵌入原子势的分子动力学方法模拟了单晶NiTi形状记忆合金薄膜的纳米压痕循环变形行为,重点讨论了温度对微观结构演化的影响.为了进一步揭示单晶NiTi形状记忆合金薄膜的塑性变形机制,分析了压痕中涉及的马氏体相变、... 采用第二近邻修正型嵌入原子势的分子动力学方法模拟了单晶NiTi形状记忆合金薄膜的纳米压痕循环变形行为,重点讨论了温度对微观结构演化的影响.为了进一步揭示单晶NiTi形状记忆合金薄膜的塑性变形机制,分析了压痕中涉及的马氏体相变、位错、无序结构和弹性恢复系数的影响.模拟结果表明,不同温度下(350K、450K、550K)载荷位移曲线出现陡降的临界载荷不同,这主要与位错的形核相关.升高温度可以促进位错的形核及滑移,导致抵抗塑性变形能力的降低.另外,超弹性循环变形在一定的周次后可以达到稳定,塑性变形和晶体结构演化之间存在关联.纳米压痕残余变形的累积起源于位错滑移、孪生变形、残余马氏体相的累积和无序结构塑性. 展开更多
关键词 NiTi形状记忆合金薄膜 分子动力学模拟 纳米压痕 循环变形
原文传递
上一页 1 下一页 到第
使用帮助 返回顶部