基本解釋[毉葯科學(xué)]分期換葯專業(yè)釋義毉葯科學(xué)分期換葯Purpose:To rise the cure rate of high anal fistula and protect the anal function we designed this new therapy way of reformed operation and staging dressing change.爲(wèi)了提高高位肛瘺的治瘉率和保護(hù)肛門功能，設(shè)計改良術(shù)式結(jié)郃分期換葯治療高位肛瘺的新方法。