ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,714,536, issued on Aug. 25, was assigned to SURGMARK GMBH (Hamburg, Germany).
"Tissue marker" was invented by Thomas Freier (Mainz, Germany), Rivelino Montenegro (Mainz, Germany), Frank Schure (Biesenthal, Germany) and Christine Konig (Hamburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tissue marker for insertion into a human or animal body during a surgical procedure. The tissue marker having a first marker element and at least one second marker element, the first and at least one second marker element contain a biodegradable material. According to the technical solution described the first marker element comprises a hollow body containi...