Electrode for medical applications, system having an electrode, and method for producing an electrode

An electrode for medical applications for neuromodulation and/or nerve stimulation and/or neurological signal acquisition, which is compressible and expandable for introduction into a hollow organ of a body and is coupled or couplable to an electrical supply, wherein the electrode is characterized by a compressible and expandable lattice structure comprising lattice webs which form cells, the lattice structure being coupled or couplable to the electrical supply and forming a plurality of electrically conductive regions and a plurality of electrically insulated regions, wherein the electrically conductive regions and the electrically insulated regions are arranged at different positions along the lattice structure, the electrically conductive regions being separated from one another by the electrically insulated regions with all of the electrically conductive regions being insulated from one another, wherein different electrically conductive regions can be variably interconnected with one another for the modulation of electric fields, wherein the different electrically conductive regions are coupled or couplable to the electrical supply by electrically conductive layers along different lattice webs electrically insulated from one another and/or by a plurality of line units in at least one lattice web.