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Radio Frequency Surgical Instrument - US12605219B2

USPTO granted US Patent 12,605,219 B2 to Kaneka Corporation for a radio frequency surgical instrument. The invention includes a tubular body, a metal wire with exposed and interior portions, and a fixture with a tapered first segment having variable radial cross-sections. The patent contains 19 claims and was filed on January 19, 2021 under application number 17800832.