設計理念：
根據主計處統計顯示：致命意外死亡人數為9513人，占總死亡人數的四分之一。

雖然很難避免意外的發生，但對於一般的大眾來說，心肺復甦術是一個綜所皆知的急救方式。當有緊急意外發生，他將可以在受難者送往醫院的路途中，或是等待救護車救援的過程中提高受難者的生存機率。

在2005年，美國心臟學會推廣並強調以心臟胸外按摩取代口對口人工呼吸法。根據研究顯示，每次按壓胸部都將增加體內血液循環，以便體內的氧氣輸送到各個器官，然而，假如中途中斷，那將會使胸外心臟按摩事倍功半。在這種情況下，我們把重點放在胸外心臟按摩和設計。

According to the statistics of DGBAS ：the number of fatal accidents were 9.513, accounted for 7.5% of the total number of deaths, fourth of the ten leading causes of death.

However, these accidents will occur inevitably. In terms of the general public, CPR is a well-known and familiar way of first aid. If there are emergency, it can increase the survival rate of patients, during the positive rushed to the hospital, or waiting for the ambulance.

In 2005, American Heart Association to promote the new method that cardiac massage, rather than mouth-to-mouth resuscitation. Research shows that each chest compression will allow increased blood circulation, the press interruption is likely to further obstruction. In this case, we focus on the part of chest compression and design.