ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,231, issued on March 31, was assigned to Portal Access Inc. (Wilmington, Del.).

"Subcutaneously changeable vascular access port" was invented by Michael Gabriel Tal (Tel Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a vascular access port selectively changeable subcutaneously from delivery configuration to deployed configuration. The vascular access port includes a port body and a port body extension being partly or wholly disengaged in the delivery configuration, and fixedly connected to form a unified structure of the vascular access port, greater in volume than the port body, in the deployed configuration. Methods and ...