ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,341, issued on Dec. 9.
"Double needle catheter placement system" was invented by Mary Sampino Racsko (Great Neck, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter positioning system has an inner needle assembly, an outer needle assembly and a catheter assembly. The inner needle assembly has an inner needle, a stopper connected the inner needle, and a tube connected to the stopper. The outer needle assembly has an outer needle connected to a chamber. The outer needle is arranged concentrically with the inner needle so as to surround the inner needle. The catheter assembly has an internal catheter and an access hub. The catheter is arrang...