ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,755, issued on Nov. 18, was assigned to MEDICARETEC Co. LTD. (Seoul, South Korea).

"Catheter having variable front end part structure" was invented by Han Yong Chun (Seoul, South Korea), Seong Il Kwon (Seoul, South Korea) and Chun Woo Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter having a variable front end structure includes: a tube having an insertion path passing therethrough in a longitudinal direction thereof and one or more first incised slits extending by a given length from the front end side thereof toward the rear end side thereof; an imaging part placed on top of the tube between the one or more first i...