Fiber optics; Optical fibers, and handpieces, adapters and regulators therefor; Fiber optics, rigid and articulating instrument handpieces for surgical use, power adapters and flow regulators for use with carbon dioxide (CO2) lasers used for medical purposes; downloadable computer software for use in the field of urology, namely, using laser technology in the treatment of bladder, ureter, and kidney stones; downloadable computer software for use in the fields of spinal and orthopedic surgerie...