An absorbent medical body for removing wound fluids from human andor animal body cavities includes a material which holds the absorbent body together in a compressed form and can be removed upon contact with a biocompatible liquid. The extraction films include a flexible carrier film, and a first and second layer carried by the carrier film. A first compiled program is provided using the first set of escape data. The sampling capacitor, the DAC capacitor and the integration capacitor are provided as electrically separate capacitors. When combined with a secure network system, the VDL system is able to base delivery decisions not only on destination address but also on the type of data that is to be delivered.