A soft grip medical connector comprises a housing with an upstream end, a downstream end and a lumen extending through a central portion thereof. The relief segments are provided by relieved areas cut or otherwise provided in the indicated areas of the orthotic device in such a way as to interdigitate within the device to define resilient segments that are depressed by the application of the weight of a user thereto and return to their original configuration upon removal of some or all that weight. A diffusion path thus separates the fuel cell cathode from the hydrogen generator. A first state is assigned to the coupon based on the first determination.