Provided is a disposable capsule. The capsule provided with a safety pressure valve configured as a weak-point section of the capsule housing such that the weak-point ruptures in the event of pressure build-up within said capsule due to blockage of the opening of the capsule. Further, the capsule is provided with a lance that is fluidly connected to one end of the capsule. One end may be configured to conduct external manipulation of the capsule through the lance to the impermeable barrier.
