ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,970, issued on Dec. 9.
"Retractor tube device" was invented by Adam Isaac Lewis (Madison, Miss.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A retractor tube device has a retractor tube having a slotted tube body with a proximal end and a distal end. The slotted tube body has a full slot extending longitudinally through the distal and proximal ends. The slotted tube body has two opposing lateral window slots at the distal end. Each window slot is positioned on the slotted tube body spaced apart by the full slot. The two opposing lateral window slots are aligned forming a passage crossing through a center of the slotted tube body transverse to a lon...