US Patent Issued to Lexion Medical on Nov. 11 for "Method and system for gas maintenance to a body cavity using a trocar" (Minnesota Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,397, issued on Nov. 11, was assigned to Lexion Medical LLC (St. Paul, Minn.).

"Method and system for gas maintenance to a body cavity using a trocar" was invented by Carl M. Geisz (Edina, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a trocar assembly having a proximal end and a distal end comprises an inner tubular member and an outer tubular member. The inner tubular member is formed with an opening at the proximal end and an opening at the distal end, the openings adapted to provide access for one or more surgical instruments during a surgical procedure. The outer tubular member is disposed about the inner tubu...