| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a double-ended needle capable of simply and speedily preparing a drug of a powder formulation. SOLUTION: The double-ended needle comprises one side needle part to be pierced into a port of a container filled with a dilute liquid, and another needle part to be pierced into port of a container filled with the drug. The double-ended needle further comprises a liquid sending passage penetrating through interiors of the one needle part and the another needle part, and a venting passage for allowing gases in and out of the container to flow so that the venting passage is formed from either the one needle part or the another needle part. The venting passage has a port section with which a sending means and a suction means are attachable and detachable.</p> |
