Is to provide use to be attached to a medical infusion bag, etc., and to communicate the two or more containers, a convenient communication needle, in communication with the needle to be used to communicate with more than one container, and the communication needle integrally formed with the communication needle sealing member as well as to open the spout to the tip of the, sealing the spout said, the sealing member is desorbed from the communication needle easily by an external force, the communication needle by it a communication needle is characterized in that the spout is configured to be opened, it is a communication needle is coated with a sealing material further.医療用輸液バッグ等に装着され、2以上の容器を連通させるために使用する、簡便な連通針を提供することであり、2以上の容器を連通させるために使用する連通針において、当該連通針の先端部に注出口を開口させると共に、当該注出口を封止する封止部材を連通針と一体的に設け、当該封止部材が外力により容易に連通針から脱離し、それにより連通針に注出口が開口されるように構成したことを特徴とする連通針であり、さらに封止体で被覆されている連通針である。
