Containment vortex

The containment vortex is a device used by mr smiith and Davros/daleks it is used to hold dangerous things/people/aliens within (like a prison) it can also in mr smith's case zap any energy from weapons within like when mrs Wormwood(bane) was trapped within,when 13 Bannerman road was under attack from the other bane she tried to use her sonic disruptor ring but it didin't work she said "the containment vortex drained it of it's power" before saying "at least I'll give you 'food poisoning'"