This creation is a kind of safety guard that ampoule is opened with what, and it includes an anti-slip layer and a protective layer, the periphery of the anti-slip layer and the protective layer engages each other into a hollow sleeve, which is equipped with an opening to be inserted in the ampoule; The safety guard is first covered into what ampoule bottleneck Hou when use, nursing staff fractures the ampoule bottleneck again through the safety guard, to avoid nursing staff's breaking off ampoule bottleneck when, hurt by the sharp place at ampoule bottle breaking.本創作是一種用於開啟安瓿之安全護件,其包含一防滑層及一保護層,該防滑層及該保護層之週邊互相接合而成一中空套體,該套體一端設有一開口以套入該安瓿;使用時將該安全護件先套於安瓿瓶口後,護理人員透過該安全護件再折斷該安瓿瓶口,以避免護理人員折斷安瓿之瓶頸時,受到安瓿瓶折斷處之尖銳處割傷。