An ampoule system comprising an ampoule (1) made of glass and enclosing an internal space, the ampoule having an ampoule body (4) and an ampoule head (5) that can be broken off from the ampoule body (4) to open up the internal space, the internal space of the ampoule (1) containing a liquid (7) for a medical application or for producing a mixture for a medical application, wherein the ampoule system comprises a cap (2) that can be plugged onto the ampoule body (4) such that the opening of the internal space from the ampoule head (5) being broken off is covered by the cap (2), and the cap (2) comprises a filter facility (3), whereby the filter facility (3) is at least one sieve (3) and/or at least one filter and the liquid (7) can be poured through the filter facility (3) from the internal space from the ampoule (1).
