LOW HEMOLYSIS BLOOD PUMP WITH INTEGRAL PRESSURE CONTROLS

一种新型医用血泵的设计和初步样机 介绍了体外循环技术。由于独特的设计， 泵具有当前驱动器中找不到的重要所需特性， 标准滚子和离心泵。这些属性包括 固有压力调节而不需要电子检测器(即， 不会过压或产生危险的负压)，最低限度 血液损伤，血液流动依赖自然供应，无法泵入空气， 和高效的能量转换。持续、准确地监控流量 该系统包括基于差压的测量。 目的是为了进一步研究泵系统，并开发出 最安全、最少溶血的血液驱动器 体外循环，包括体外循环、血液 充氧或二氧化碳去除、血液透析、血液过滤等 治疗应用。最初的实验程序将包括 泵性能特性的体外评价方法研究 压力调节质量，以及尺寸和材料的影响。 将进行的研究将导致确定最佳的 为每个应用程序进行设计。这台泵将与标准泵进行比较 关于溶血、压力安全的滚柱泵和离心泵 性能、耐用性和能量转换效率。

A novel design and initial prototype of a blood pump used for extracorporeal circulation is presented. Due to the unique design, the pump has important desirable properties not found in current drivers, the standard roller and the centrifugal pumps. These properties include inherent pressure regulation without need for electronic detectors (i.e., will not over-pressurize or generate hazardous negative pressure), minimal blood damage, dependence of flow on natural supply, inability to pump air, and efficient energy conversion. Continuous, accurate monitoring of flow based on differential pressure measurement is included in the system. The objective is to further research the pump system and to develop the safest and least hemolytic blood driver used in applications of extracorporeal circulation, including cardiopulmonary bypass, blood oxygenation or CO2 removal, hemodialysis, blood filtration, and other therapeutic applications. The initial experimental procedure will involve the in-vitro evaluation of the pump's performance characteristics based on pressure regulation qualities, and on the effects of size and materials. The research to be performed will lead to the determination of the optimal design for each application. The pump will be compared to the standard roller and centrifugal pumps with regards to hemolysis, pressure safety properties, durability, and energy conversion efficiency.