【摘要】 本文报导国内外首次用ＣＯ２激光作能源的心肌打孔仪及其新的设计思想，并介绍该仪器心肌打孔实例。更多还原

【Abstract】 This paper reports a myocardium punching apparatus by CO2 Laser as well as its design principle for the first time,yet some myocardium punching cases in which the apparatus is put into use are introduced.更多还原