Radio Frequency Surgical Instrument - US12605219B2
Summary
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.
What changed
USPTO granted Patent 12,605,219 B2 to Kaneka Corporation for a radio frequency surgical instrument. The patent covers a device with a tubular body, a metal wire having exposed and interior portions, and a fixture with a first segment decreasing in outer diameter toward the tip end, where the radial cross-sectional shape varies along the segment length.
Competitors developing radio frequency surgical instruments should review this patent to assess potential infringement risks. The patent's 19 claims establish broad protection around the specific geometric configuration of the wire and fixture assembly.
Archived snapshot
Apr 21, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Radio frequency surgical instrument
Grant US12605219B2 Kind: B2 Apr 21, 2026
Assignee
KANEKA CORPORATION
Inventors
Takuya Kaneko
Abstract
A radio frequency surgical instrument includes a tubular body; a metal wire having a tip end and a base end, and including a first portion exposed from and disposed outside a distal portion of the tubular body and a second portion disposed in the first lumen; and a fixture fixed to a tip end portion of the wire, being in contact with an inner wall of the first lumen, and having a tip end and a base end, wherein the fixture has a first segment including a portion decreased in outer diameter toward the tip end, and when the first segment is equally tripartitioned into a tip portion, a center portion, and a base portion, a base end of the tip portion in the first segment and a base end of the base portion in the first segment are different in radial sectional shape of the fixture.
CPC Classifications
A61B 18/1492 A61B 2018/00166 A61B 2018/144 A61B 2018/1475 A61N 1/059
Filing Date
2021-01-19
Application No.
17800832
Claims
19
Mentioned entities
Parties
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Source
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