尽管近年来胸外心脏按压对心脑血液灌注的效果仍有疑问,但当前在心肺复苏中,胸外心脏按压仍为最简单、最重要的手段之一,还没有其它方法可完全代替它。以往的徒手按压,操作者体力消耗过大,而且按压力量、按压方向、按压幅度不易掌握,影响了按压效果。目前国内外虽有电动、气动胸 Although the effect of chest compressions on cardio-cerebral perfusion remains controversial in recent years, chest compressions remain one of the simplest and most important measures in cardiopulmonary resuscitation. There is no other alternative to replace them. Previous freehand press, the operator physical exertion is too large, and press the force, press the direction of the pressure range is not easy to grasp, affecting the press effect. Although at home and abroad, electric, pneumatic chest