Medicine bottle adapter

The utility model relates to a medicine bottle adapter. A vial adapter for engaging an infusion station, the vial adapter comprising: an outer housing configured to engage a vial; the inner shell body is arranged in the outer shell body; the check valve is used for adjusting air pressure; wherein the inner housing is configured such that when the vial adapter engages the infusion station, the inner housing engages the outer housing to establish fluid communication. According to the utility model, the fluid conveying device can be better filled. 本实用新型涉及药瓶适配器。一种药瓶适配器，用于接合灌注站，所述药瓶适配器包括：外壳体，所述外壳体构造为接合药瓶；内壳体，所述内壳体设置在所述外壳体中；和用于调节气压的止回阀；其中所述内壳体构造为，使得当所述药瓶适配器接合所述灌注站时，所述内壳体接合所述外壳体以建立流体连通。本实用新型有助于更好地灌注流体输送装置。