9 Electronic and pneumatic controls for surgical and medical devices and apparatus, namely, for medical tables, stretchers, gurneys, medical carts, medical caddies, medical trolleys, medical racks and furniture; data display units, namely, computer monitors, optical sensors, cameras, video multiplexers, drivers and communications apparatus consisting of digital boards or serial interfaces; data input and output devices apparatus for computers, namely, printers, facsimile machines, scanners, plotters, machine readable information, blank data carriers, namely, tapes, cards, CD-ROMS and disks, display and touch screens, voice recognition computer programs, microfilm, and speakers and computer programs for digital image processing; data processing programs for surgical and medical applications that allow for user-friendly database management stored on data carriers and storage media, namely, floppy discs, hard discs, magnetic computer tapes, and computer chips