The ostomy receiving bag comprises a front wall and a rear wall and has a top end and a bottom end. The header analyzer unit includes a programmable memory unit having a content addressable memory with an input to receive a first portion of the data unit and a second portion of the data unit. A reward is offered for choosing a respective one of the routes. The oxide liner is anisotropically etched with a reactive ion etching process such that only the silicon surface at trench bottom is exposed, leaving the oxide liner on trench walls. for oral, transdermal or another route of parenteral administration.