海量資源,盡在掌握
 對(duì)于表淺的神經(jīng)(<4cm),應(yīng)選用7~14MHz的探頭,對(duì)于深度>6cm的目標(biāo)神經(jīng),應(yīng)選用2~5MHz的探頭。對(duì)于深度為4~6cm的神經(jīng),應(yīng)選用5~7MHz的探頭。表淺的神經(jīng)應(yīng)選用線陣探頭,使圖像顯示更清楚;深部的神經(jīng)應(yīng)選用凸陣探頭,可增加可視范圍 (共 183 字) [閱讀本文] >>