An inverter module converts a DC current generated by a photovoltaic panel to an AC current. The device may be attached to vertebrae to provide a distraction force on a concave side of a spinal curve to assist in straightening the spine. The brush roller shaves and supplies the lubricant from the lubricant block to the image bearer via the brush roller. The trough elements are then assembled together to form the cable management system. An array of multiple systems may be fabricated in a single monolithic chip for rapid sequential fluid processing and generation of electrospray for subsequent analysis, such as by positioning the exit orifices of the electrospray devices near the sampling orifice of a mass spectrometer.