A mobile device indexing system includes a plurality of edge nodes in communication with each other across a communication network and a plurality of mobile devices configured to communicate with the edge nodes. A feedthrough pin, fixedly coupled to the capsule, extends into the capsule and is electronically coupled to the pressure transducer. The invention further includes a plurality of port devices coupled to the bus. The absorptive layer has a first thickness in the printing feature region and a second thickness in the assist feature region that is different from the first thickness. The resonance tuning module includes a control circuit for determining a resonant frequency of the implantable medical assist device and an adjustable impedance circuit to change the combined resonant frequency of the medical device and lead.