冠心病体外反搏治疗仪体外反搏控制电路设计
摘 要
冠心病是危害人类健康的常见病、多发病和造成死亡的主要原因之一。体外反搏疗法为这些疾病提供了无创性、简易、显效的治疗方法,为人类提供了一种保健、康复的有效措施。
innovation是什么意思>just so you know体外反搏系统是一种无创伤的体外辅助循环装置,在增加心、脑等器官的血液供应,促进缺血组织器官侧支循环的建立等方面具有显著的临床疗效。体外反搏可以无创地提供与主动脉内气囊反搏相似的功能:提供舒张压和冠脉血流。其原理是通过检测心电信号和监控动脉血压波形,对包裹在患者小腿、大腿和臀部的密闭气囊进行无创性续贯加压。整个过程的血流动力学可以提高舒张压和冠脉的血流灌注,降低收缩心脏的负荷和心肌耗氧量。warrior
本文描述的体外反搏装置系统的控制系统采用先进的PC机和decimals8reeds位单片机AT89C51并行中断通讯控制技术组成的智能检测与控制系统。在算法上使用新的体外反搏充排气时序控制算法,完成QRS波的识别,使病人反搏时在舒张期出现的反搏波恰好发生在主动脉瓣关闭之际,从而使反搏血流以最充分的时间向缺血器官进行灌注,而又不加重心脏的负荷。在心脏进入收缩期能使收缩压降至最低,最大限度地降低心脏射血期负荷,从而达到最佳的反搏效应。
关键词:冠心病,体外反搏,心电图,QRS波群检测
tree of lifeDESIGN OF CONTROL CIRCUIT OF EXTERNAL COUNTERPULSATION DEVICE FOR CORONARY HEART DISEASE
卡梅伦辞职演讲ABSTRACT房地产会计
Coronary heart dia is ordinary, coming on frequently, and it is one of the main reasons that can work death. External counterpulsation provide a noninvasive, simple, obvious way of treatment, offering an effective measure of health care and recovery for people.
External counterpulsation is a noninvasive assisted circulation device. It plays a positive and valid role in increasing the blood supply for the heart and brain, promoting collateral circulation of the ischemic tissue and organs. This noninvasive technique provides augmentation of diastolic blood flow and coronary blood flow similar to the intra-aortic ball
does的用法
oon pump, utilizing the rial inflation of three ts of cuffs which wrap around the calves, thighs and buttocks. Inflation and deflation is timed to the patient’s Electrocardiograph and the arterial pressure waveform is monitored noninvasively.The overall hemodynamic effect is to provide diastolic augmentation and thus increa coronary perfusion pressure, to unload systolic cardiac workload and therefore decrea myocardial oxygen demand.