ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,240, issued on Sept. 8.
"Double wall balloon catheter system" was invented by A-Hamid Hakki (Dunedin, Fla.), A-Hadi Hakki (Largo, Fla.) and Tariq Said Hakky (Atlanta).
According to the abstract* released by the U.S. Patent & Trademark Office: "An open balloon indwelling catheter for drainage from, irrigation to, and retention within a patient's body cavity. The indwelling catheter has a hollow tube catheter member. A double walled balloon having an inner wall and an outer wall is attached to a sidewall of the hollow tube catheter member. The hollow tube catheter member has catheter orifices formed through the sidewall in an area covered by the double walled balloon. Balloon orifi...