Pooling device for single or multiple medical containers

A device for pooling a medicinal fluid, comprising:

• a first inlet;
• a first outlet;
• a first cavity configured to accommodate insertion of a first container unit, wherein the first container unit includes at least a first container configured to store a first fluid;
• a first spike disposed in the first cavity and configured to puncture a stopper of the first container when the first container unit transitions from an upper position to a lower position, wherein the first spike includes a first channel connected to the first inlet, and a second channel connected to the first outlet;
• a second cavity configured to accommodate insertion of a second container unit, wherein the second container unit includes at least a second container configured to store a second fluid;
• a second spike disposed in the second cavity and configured to puncture a stopper of the second container when the second container unit transitions from an upper position to a lower position, wherein the second spike includes a third channel connected to the first inlet via the first channel and the second channel, and the second spike includes a fourth channel connected to the first outlet, wherein the second channel is connected to the first outlet via the third channel and the fourth channel;
• and
• a spike sheath of the second spike covering the second spike and connecting the third channel and the fourth channel of the second spike in fluid communication to allow fluid to flow from the second channel of the first spike to the first outlet.