粉(fen)(fen)(fen)末(mo)直(zhi)(zhi)接(jie)壓(ya)(ya)片(pian)(pian)(pian)(pian)是(shi)指(zhi)將藥(yao)(yao)物(wu)的(de)(de)粉(fen)(fen)(fen)末(mo)與適(shi)宜的(de)(de)輔(fu)(fu)料(liao)(liao)混(hun)合后,不經過制顆粒而直(zhi)(zhi)接(jie)壓(ya)(ya)片(pian)(pian)(pian)(pian)的(de)(de)方法。粉(fen)(fen)(fen)末(mo)直(zhi)(zhi)接(jie)壓(ya)(ya)片(pian)(pian)(pian)(pian)的(de)(de)重(zhong)要條件之一(yi)是(shi)加(jia)(jia)入具有良好(hao)的(de)(de)流(liu)(liu)動(dong)(dong)性和可(ke)(ke)壓(ya)(ya)性的(de)(de)輔(fu)(fu)料(liao)(liao)。 藥(yao)(yao)粉(fen)(fen)(fen)直(zhi)(zhi)接(jie)壓(ya)(ya)片(pian)(pian)(pian)(pian)常(chang)用(yong)的(de)(de)輔(fu)(fu)料(liao)(liao)有:1,干燥黏合劑(ji)(ji)如(ru)微晶纖(xian)(xian)維素(su),改(gai)性淀粉(fen)(fen)(fen),糊(hu)精(jing),糖份(fen)(fen)等(deng);2,助流(liu)(liu)劑(ji)(ji)如(ru)微粉(fen)(fen)(fen)硅(gui)膠(jiao),氫(qing)(qing)氧(yang)化(hua)鋁凝膠(jiao)等(deng);3,崩(beng)解劑(ji)(ji),生(sheng)產上常(chang)用(yong)羧甲基(ji)纖(xian)(xian)維素(su)鈉。 小劑(ji)(ji)量藥(yao)(yao)物(wu)直(zhi)(zhi)接(jie)壓(ya)(ya)片(pian)(pian)(pian)(pian)可(ke)(ke)采用(yong)下列混(hun)合輔(fu)(fu)料(liao)(liao):1,糊(hu)精(jing)2份(fen)(fen),淀粉(fen)(fen)(fen)2份(fen)(fen),糖粉(fen)(fen)(fen)1份(fen)(fen),氫(qing)(qing)氧(yang)化(hua)鋁凝膠(jiao)(總量的(de)(de)3%);2,糊(hu)精(jing)25份(fen)(fen),糖粉(fen)(fen)(fen)12份(fen)(fen),淀粉(fen)(fen)(fen)9份(fen)(fen),微晶纖(xian)(xian)維素(su)8份(fen)(fen),氫(qing)(qing)氧(yang)化(hua)鋁凝膠(jiao)(總量的(de)(de)3%),滑石粉(fen)(fen)(fen)(總量的(de)(de)6%),硬脂(zhi)酸鎂(總量的(de)(de)1%)。以(yi)上成分充分混(hun)勻(yun),可(ke)(ke)得流(liu)(liu)動(dong)(dong)性,可(ke)(ke)壓(ya)(ya)性較(jiao)好(hao)的(de)(de)輔(fu)(fu)料(liao)(liao)。 粉(fen)(fen)(fen)末(mo)直(zhi)(zhi)接(jie)壓(ya)(ya)片(pian)(pian)(pian)(pian)時(shi),加(jia)(jia)料(liao)(liao)斗內粉(fen)(fen)(fen)末(mo)常(chang)出現空洞或流(liu)(liu)動(dong)(dong)時(shi)快時(shi)慢(man)的(de)(de)現象(xiang)(xiang),以(yi)致片(pian)(pian)(pian)(pian)重(zhong)差(cha)異較(jiao)大,生(sheng)產上一(yi)般采用(yong)振(zhen)蕩器(qi)或電磁振(zhen)蕩器(qi)來克服,即利用(yong)上沖(chong)轉動(dong)(dong)時(shi)產生(sheng)的(de)(de)動(dong)(dong)能來撞(zhuang)擊物(wu)料(liao)(liao),使粉(fen)(fen)(fen)末(mo)均勻(yun)流(liu)(liu)入模孔。對于粉(fen)(fen)(fen)末(mo)中存(cun)在的(de)(de)空氣較(jiao)顆粒多,壓(ya)(ya)片(pian)(pian)(pian)(pian)時(shi)容(rong)易產生(sheng)頂裂,可(ke)(ke)以(yi)通(tong)過適(shi)當加(jia)(jia)大壓(ya)(ya)力,改(gai)進(jin)設(she)備,增(zeng)加(jia)(jia)預壓(ya)(ya)過程(分次(ci)加(jia)(jia)壓(ya)(ya)的(de)(de)壓(ya)(ya)片(pian)(pian)(pian)(pian)機),減慢(man)車(che)速,使受壓(ya)(ya)時(shi)間(jian)延長等(deng)方法來克服。漏粉(fen)(fen)(fen)現象(xiang)(xiang)可(ke)(ke)安(an)裝(zhuang)吸粉(fen)(fen)(fen)器(qi)加(jia)(jia)以(yi)回(hui)收。此外也可(ke)(ke)安(an)裝(zhuang)自動(dong)(dong)密(mi)閉(bi)加(jia)(jia)料(liao)(liao)設(she)備以(yi)克服藥(yao)(yao)粉(fen)(fen)(fen)加(jia)(jia)入漏斗時(shi)的(de)(de)飛揚(yang)。