ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,417, issued on May 6.
"Multi-axis tumor margin marker system" was invented by Robert I. Hacker (Frontenac, Mo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-axis tumor excision marker system is configured to deposit markers along multiple axes radially about a tumor to define a boundary of margin tissue for excision. A catheter may deploy a marker extension that extends to a margin tissue boundary for depositing the marker. The marker extension may be a shape memory material that extends radially outward from catheter opening or may be directed radially outward by a guide head. The radiopaque marker may be a phase change marker, such as an ...