ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,046, issued on Sept. 23, was assigned to TAICHUNG VETERANS GENERAL HOSPITAL (Taichung, Taiwan).

"Non-invasively and safely and quickly surgical technique of inserting T-shaped tube into stenotic trachea" was invented by Sen-Ei Shai (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical technique, non-invasively and safely and quickly inserting a T-shaped tube into a stenotic trachea, is capable of replacing a traditional rigid bronchoscope with a harmless fiber bronchoscope dispense with additional surgical wound incision, utilization of an existing tracheostoma combined with the available guiding materials, the T-shaped tube c...