Methods and systems for lateral switched-emitter thyristors in a single-layer implementation. The brake assembly has a new lever pivoted on the leading shoe web with one end resting on the wheel cylinder piston and the other end on the strut assembly. Topographical data are generated which relate to pointlike obstacles from the information collected from the topographical data. Alternatively, the biomembrane sealing agent andor the bioactive agent may be delivered from a pump or an implant.