A fluid conditioning system is adapted to condition the fluid used in medical and dental cutting, irrigating, evacuating, cleaning, and drilling operations. The fluid may be conditioned by adding flavors, antiseptics and/or tooth whitening agents such as peroxide, medications, and pigments. In addition...http://www.google.es/patents/US6350123?utm_source=gb-gplus-sharePatente US6350123 - Fluid conditioning system