Ampoules comprising an elongated neck portion which prevents suspended particles within the liquid from reaching the head of the ampoule

摘要

Disclosed is an ampoule, comprising: a body comprising a reservoir for up to 50ml of liquid; a removable head portion comprising a bulb; and a neck portion, linking the body to the head portion, comprising a channel through which liquid in the reservoir can exit the ampoule when the head portion has been removed, wherein the neck portion comprises a trap to prevent suspended particles in the liquid which have settled from reaching the head portion, and wherein the bulb is in fluid communication with the channel of the neck portion.