Closure cap for a container filled with medicinal fluid, and container having a closure cap

Closure cap, for a container filled with a medical liquid which has a mouth section sealed with a piercable membrane, having

• a main closure body (1) in cap form which has a covering part (2) and a skirt part (3),
• a drinking nozzle (4), having an opening (4a) for drinking from, which can be pivoted between a first position in which the drinking nozzle rests against the main closure body and a second position in which the drinking nozzle is distant from the main closure body,
• means (20, 22) for piercing the membrane which co-operate with the drinking nozzle (4) in such a way that the membrane is pierced when the drinking nozzle (4) is pivoted, thus causing a connection to be made between the opening (4a) in the drinking nozzle (4) and the interior of the container,
• characterised in that the main closure body (1) has an opening (20a, 24) for supplying the container with air when drinking, the means (20, 22) for piercing the membrane co-operating with the drinking nozzle (4) in such a way that, when the drinking nozzle is pivoted, the membrane is pierced to make a connection between the opening for supplying air (20a, 24) and the interior of the container.