Abstract
본 ì°êµ¬ë COVID-19ì ëì íì¼ë¡ ì¸í´ ìë ì¸ê³µ í¸í¡ê¸°ì ê³µê¸ì´ ì¸ê³ì ì¸ ê¸´ê¸ ììì ë¹í´ ìííì§ ìì ìí©ì ëìì´ ë ììë ì ê°í ìê¸ ì¸ê³µ í¸í¡ê¸°ì ì¤ê³ ë° êµ¬íì ì ìíë¤. AMBU-bagê³¼ 기ì±ì© ìë² ëë ë§ì´í¬ë¡ 컨í¸ë¡¤ë¬ ë³´ë를 ì¬ì©íì¬ êµ¬íì´ ì©ì´íê³ ë¹ì©ì ìµìííë¤. ëí, 3D í린í ì ì ì¸ê³ 기ì ê³¼ ì 문ê°ë¤ì´ íë¡í íì íëì¨ì´ë¥¼ 구ì¶íë ë° ì¬ì©íë ë°ë©´, ì£¼ë³ íê²½ìì ì½ê² 구í ì ìë ì¬ë£ë ë§ì ì²¨ë¨ ê¸°ì ì ì ê·¼í기 ì´ë ¤ì´ êµê°ì ì¬ëë¤ì´ ìì¤í ì ì ì¡°í ì ìëë¡ íë¤. ì¤ê³í ê°ì´ ì¸ê³µí¸í¡ê¸° 모íì í¹ì§ì ìë¶ ë°±ì ìëí íë¤ë ì , 3d í린í ì ì¬ì©íì§ ìëë¤ë ì , ìëì¡°ì ì´ ê°ë¥íë¤ë ì ì´ë¤. ìë ì¡°ì ì´ ê°ë¥íê² í¨ì¼ë¡ì¨ ì¬ì©íë íìì ìí©ì ë§ê² íê¸°ê° ê°ë¥íë¤. ì°êµ¬ ì ë³´ìí ì ì¼ë¡ë 첫 ë²ì§¸, ì¬ì©í ìì´í¼ 모í°ì 구ë ììì ì ê³ ì í기 ì´ë µë¤ë ê²ì´ë¤. ì´ë¥¼ ë³´ìí기 ìí ë°©ë²ì¼ë¡ ìì¹ í¼ë백기ë¥ì´ ìë ë¸ë¬ì DC모í°ë¡ êµì²´íë ë°©ë²ì´ ìë¤. ë ë²ì§¸ë¡ íë¶ë¶ê³¼ ê³ ì íì´ ë무 ì¬ì§ì´ë¼ ìë¶ ë°±ì ì¥ê¸°ì ì¼ë¡ ìì¶íë ê³¼ì ìì ìë¶ë°±ì´ ë§ëª¨ë ê°ë¥ì± ìë¤ë ê²ì´ë¤. ì´ë¥¼ ë³´ìí기 ìí´ ìë¶ë°±ì´ ë¿ë íê³¼ í ë¶ë¶ì ì¤ë¦¬ì½ê³¼ ê°ì ì¬ë£ë¡ ê°ì¸ ë§ì°°ì ìµìíí´ì¼ í íìê° ìë¤. This study proposes the design and implementation of a low-cost emergency ventilator which can be helpful during the COVID-19 pandemic where the supply of automatic ventilators is not smooth compared with the urgent demand worldwide. Easy implementation and lower price were made possible by using AMBU-bag and off-the-shelf embedded microcontroller board. Moreover, while 3D printing is used by companies and experts around the world to build prototype hardware, materials which are readily available from surrounding environments so that people in countries where it is difficult to access many advanced technologies could manufacture the system. The design features AMBU-bag automation, not use 3D printing, and it can contrl speed. By allowing speed control, ventilation can be performed according to the conditions of the patient being used. A complementary point in the study is that it is difficult to fix the start point of the wiper motor used first. A method for complementing this is a method for replacing the brush DC motor with a position feedback function. Secondly, the AMBU-bag may wear out in the long-term process of compressing the AMBU-bag because the arm and the fixing frame are made of wood. To complement this, the part of fixing frame and arm parts that the AMBU-bag touches need to be wrapped in a material such as silicon to minimize friction. Keywords: BVM, COVID-19, Emergency, Respiration
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