皮肤内静脉微轴血:从工程角度看,目前的情况和前景
Eiji Okamoto1, Yoshinori Mitamura2
1Graduate School of Biology, Tokai University Minami-Sawa, 5-1-1-1, Minami-ku, Sapporo, 005-8601, Japan. okamoto29@tsc.u-tokai.ac.jp.
概括
导管安装的血管内微轴流血 (IMFBPs) 越来越多地用于高级心力衰竭. 目前正在进行的研究重点是改善有线驱动和直接驱动的IMFBPs,以获得更好的治疗选择.
科学领域:
- 心血管工程 心血管工程
- 生物医疗设备 生物医疗设备
- 心脏衰竭 治疗方法 治疗方法
背景情况:
- 装在导管上的极小侵入性血管内微轴流血 (IMFBPs) 正在获得先进心力衰竭的吸引力.
- 发展可以追溯到20世纪90年代,有线驱动 (例如,Hemopump) 和直接驱动 (例如,Valvopump) 系统.
研究的目的:
- 审查血管内微轴流血 (IMFBPs) 的当前状态和发展趋势.
- 突出IMFBPs在治疗心力衰竭中的不同类型,分类和应用.
- 讨论IMFBPs的未来前景和研究方向.
主要方法:
- 审查使用外部电机和驱动电线的电线驱动IMFBPs.
- 分析需要微型内部电机的直驱IMFBP,包括密封和无密封磁合设计.
- 基于临床应用的IMFBPs的分类:心脏性休克/高风险PCI和急性不补偿性心力衰竭.
主要成果:
- 电线驱动系统向外部传输电力,而直接驱动系统需要紧,强大的内部电机,以防止血液入.
- 直接驱动系统进一步分为密封和无密封 (磁性合) 机制.
- IMFBPs被分类为急性指示,如心肌梗塞后心脏性休克或高风险PCI,以及急性不补偿性心力衰竭.
结论:
- 直接驱动和有线驱动的IMFBPs都有明显的优点和缺点,目前正在努力改进和实施它们.
- 在IMFBPs领域存在不断的发展和创新的新设备的潜力.
- IMFBPs是人工心脏研究的重要领域,为严重心力衰竭患者提供新的治疗途径.
相关概念视频
01:29Blood Flow
Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
01:14Overview of Blood Vessels
The human cardiovascular system comprises five primary types of blood vessels: arteries, arterioles, veins, venules, and capillaries, each serving unique functions.
Arteries and Arterioles: Arteries are muscular and elastic vessels that primarily carry oxygenated blood from the heart to body tissues, except for the pulmonary artery, which carries deoxygenated blood. They have thick walls to withstand high pressure and contain a layer of muscle tissue, allowing them to expand or contract as...
Arteries and Arterioles: Arteries are muscular and elastic vessels that primarily carry oxygenated blood from the heart to body tissues, except for the pulmonary artery, which carries deoxygenated blood. They have thick walls to withstand high pressure and contain a layer of muscle tissue, allowing them to expand or contract as...
01:15Structure of Blood Vessels
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01:17Veins
Veins are an integral part of our circulatory system, serving as the blood vessels that transport blood from all body regions to the heart. They are a network of hollow tubes that carry blood low in oxygen from the body's cells back to the heart for reoxygenation. Veins are crucial for maintaining the body's overall fluid balance and the continuous circulation of blood.
Structure of Veins:
The structure of veins is specifically designed to assist in the low-pressure transportation of blood...
Structure of Veins:
The structure of veins is specifically designed to assist in the low-pressure transportation of blood...
01:04Venous Return
The circulatory system plays a crucial role in ensuring the optimal functioning of the human body. One of its critical components is venous return - the process that completes the blood circulation cycle. This article will delve into the concept of venous return, how it works, and its significance to our health.
What is Venous Return?
Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system as it...
What is Venous Return?
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01:07Development of Blood Vessels
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The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...
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