US Patent Issued to 3-D Matrix on May 19 for "Vascular embolic system" (Japanese Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,446, issued on May 19, was assigned to 3-D Matrix Ltd. (Tokyo).

"Vascular embolic system" was invented by Satoru Kobayashi (Chigasaki, Japan) and Kentaro Takamura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of blocking a biological vessel are provided. The systems and methods may comprise introducing to the vessel an amphiphilic peptide. The peptide may comprise at least thirteen amino acids that may alternate between a hydrophobic amino acid and a hydrophilic amino acid. The peptide may form a beta-sheet spontaneously in an aqueous solution in the presence of a cation."

The patent was filed on June 12, 2025, under Appl...