System for transmitting electrical current to a bodily tissue

An apparatus, comprising:

• a flexible housing configured to be disposed about at least a portion of a stimulator assembly, the stimulator assembly including at least a battery, an electrode, and a stimulus generator, the housing including a receiving portion configured to receive at least a portion of the stimulus generator, the receiving portion defining a first opening configured to receive a protrusion of the stimulus generator when the stimulus generator is received in the receiving portion such that the stimulus generator is electrically coupled to the battery, the receiving portion defining a second opening different than the first opening, the second opening configured to receive a protrusion of a base of the stimulator assembly such that the protrusion can limit movement of the stimulus generator with respect to the housing when the stimulus generator is received in the receiving portion of the housing.

A method, comprising the steps of:

• folding a tab portion of a flexible substrate such that the tab portion of the flexible substrate is in contact with a bottom side of a body portion of the flexible substrate and such that an electrical circuit formed on a top side of the flexible substrate extends about an edge of the fold, the flexible substrate configured to be coupled to a body.

An apparatus, comprising:

• a hydrogel electrode;
• and
• a substrate including a lower surface, a conductive region, and a plurality of discrete non-conductive regions, the conductive region electrically coupled to an electrical circuit of the substrate and to the hydrogel electrode, the plurality of discrete non-conductive regions configured to facilitate coupling of the hydrogel electrode with the lower surface of the substrate, at least one non-conductive region of the plurality of discrete non-conductive regions is at least one of (1) a solder mask, (2) a cavity formed in a surface of the conductive region, or (3) formed by a coating applied to a surface of the conductive region.

An apparatus, comprising:

• a hydrogel electrode;
• and
• a substrate including a lower surface, a conductive region, and a plurality of discrete non-conductive regions, the conductive region electrically coupled to an electrical circuit of the substrate and to the hydrogel electrode, the plurality of discrete non-conductive regions configured to facilitate coupling of the hydrogel electrode with the lower surface of the substrate, at least one non-conductive region of the plurality of discrete non-conductive regions extending beyond a surface of the conductive region.