US Patent Issued to Nuwellis on July 14 for "Dual lumen catheter" (Minnesota Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,592, issued on July 14, was assigned to Nuwellis Inc. (Eden Prairie, Minn.).

"Dual lumen catheter" was invented by David Lerner (St. Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter may include a withdrawal lumen wall extending around a withdrawal lumen. The withdrawal lumen may have a withdrawal lumen profile. The catheter may include an infusion lumen wall coupled with the withdrawal lumen wall. The infusion lumen wall may extend around an infusion lumen. The infusion lumen may have an infusion lumen profile smaller than the withdrawal lumen profile. A flexible septum may extend between the withdrawal lumen and the infusion lu...