The invention relates to an implantable structure of flexible consistency for the sustained and controlled release of an active substance, consisting of a bioresorbable support and an active substance, in which the bioresorbable support is formed of a material comprising an aliphatic polyester of therapeutic value as the main component. A functional device connected to a transmission controller controls the interface. \u201d Test methods identify alternative physical interconnect resources for each net required in the user design and, as need, reroute certain signal paths using the alternative resources. By use of the disclosed expansion device, a service valve for refrigerant expansion may be accomplished with three standard ARI fittings. The manifold includes a first flow orifice that directs inflation fluid to flow into the first fill tube at a first flow rate. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone, and a lubricating oil basestock produced by said process.