US Patent Issued to Terumo Medical on March 25 for "High frequency vascular closure device" (Delaware Inventor)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,977, issued on March 25, was assigned to Terumo Medical Corp. (Somerset, N.J.).

"High frequency vascular closure device" was invented by Tomoji Maruyama (Bear, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vascular closure device seals a vascular access site upon completion of a procedure wherein a blood vessel has been punctured to accommodate a guidewire, an introducer sheath, and other intravascular devices. The device uses compression and thermal heating of an area around the puncture to obtain immediate hemostasis. Electrothermal bipolar vessel sealing is preferably employed, wherein a forceps grasps and compresses tissue from opposite...