ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,207,843, issued on Jan. 28.
"Resistance-free trocar assembly" was invented by Reza Mohajer-Shojaee (Encino, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A trocar assembly includes a head; an elongated tubular structure, having an open proximal end and an open distal end; a stationary cutting component, incorporating a large cutter having two sharp side-blades and a centrally disposed non-cutting soft tip that extends through the open distal end of the tubular structure; and a protection assembly, actuated via a compression spring, comprising a moveable cutter safety casing that extends through the open distal end of the tubular structure to cov...