ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,458, issued on Jan. 27, was assigned to SURGIN INC. (Scottsdale, Ariz.).

"Cannula with retracting flexible tip" was invented by Ryan Maaskamp (Scottsdale, Ariz.), Armand Maaskamp (Scottsdale, Ariz.) and Dan Thompson (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cannula to access the deep pelvic space of a patient from an incision near a patient's navel, wherein the deep pelvic space is generally inaccessible from the incision due to being obstructed by the patient's sacral promontory. The cannula is envisioned having an inner tube that slides within a rigid outer tube. The inner tube has a suction-irrigation tip located at the dis...