ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,211, issued on April 29, was assigned to Candela Corp. (Marlborough, Mass.).
"Smoke evacuation system" was invented by Jayant Bhawalkar (Auburndale, Mass.), Amit Paranjape (Acton, Mass.), Kevin Schomacker (Maynard, Mass.), Craig Langlois (Clinton, Mass.) and Herbert Otterson (Needham, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rapid pulsatile smoke extraction system includes a laser handpiece having a sleeve configurable to be applied to tissue; a vacuum pump and a vacuum reservoir; a conduit connecting the reservoir with the sleeve; and a valve inserted in the conduit. A volume of the vacuum reservoir is at least two times larger than a ...