US Patent Issued to CALYXO on March 25 for "Tool guiding device for kidney stone treatment apparatus" (California Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,989, issued on March 25, was assigned to CALYXO INC. (Pleasanton, Calif.).

"Tool guiding device for kidney stone treatment apparatus" was invented by Matthew Yurek (San Diego), Ling Tong (Fremont, Calif.), Brian Y. Tachibana (Pleasanton, Calif.), Thomas R. Jenkins (Pleasanton, Calif.), Calvin Lam (Pleasanton, Calif.), Ailee Pham (Pleasanton, Calif.), Kejin Wang (Dublin, Calif.), Joseph Catanese III (Oakland, Calif.), Jee Shin (Pleasanton, Calif.), Caralin Riva Adair (Santa Rosa, Calif.) and Andrew J. Hudson (Santa Rosa, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter assembly is provided having a working lumen and a guide. The guid...