# US 12,213,724 B2 · Cutting electrode enhancement for laparoscopic electrosurgical device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,213,724 B2 - Document ID: US12213724B2 - Status: Granted - Kind: B2 - Application number: 18/116,868 - Filed: 2023-03-03 - Published: 2023-06-29 - Granted: 2025-02-04 - Earliest claimed: 2018-08-24 - Assignees: Covidien LP - Applicants: Covidien LP - Inventors: Kenlyn S. Bonn - Web page: https://patentgrep.com/patent/US12213724B2 ## CPC - A61B 18/14: Probes or electrodes therefor - A61B 18/1482: {having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy} - A61B 18/1206: {Generators therefor} - B33Y 80/00: Products made by additive manufacturing - A61B 34/35: for telesurgery - A61B 2017/00526: {Methods of manufacturing} - A61B 2018/00083: {low, i.e. electrically insulating} - A61B 2018/0013: {non-sticking} - A61B 2018/00136: {with polymer} - A61B 2018/00589: {Coagulation} - A61B 2018/00601: {Cutting} - A61B 2018/00607: {Coagulation and cutting with the same instrument} - A61B 2018/0063: {Sealing} - A61B 2018/00702: {Power or energy} - A61B 2018/00875: {Resistance or impedance} - A61B 2018/1253: {monopolar} - A61B 2018/1412: {Blade} - A61B 2018/1422: {Hook} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - B33Y: ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING ## Abstract An electrosurgical electrode for coagulating and cutting tissue includes a main body fabricated from a conductive material, and a conductive blade extending inwardly from an inner surface of the main body. The blade has an edge configured to concentrate RF for cutting tissue. ## Claims ### Claim 1 An electrosurgical electrode, comprising: an electrically conductive main body including: a curved segment; a first planar outer surface configured for tugging tissue; and a second planar outer surface, opposite the first planar outer surface, configured to coagulate the tissue; and an electrically conductive blade fixed to the first planar outer surface along at least the curved segment of the electrically conductive main body, the electrically conductive blade having a distal-most end extending from the first planar outer surface proximal to a distal-most end of the electrically conductive main body in a direction away from the second planar outer surface, the electrically conductive blade configured to cut the tissue being tugged by the first planar outer surface. ### Claim 2 (depends on 1) The electrosurgical electrode according to claim 1, wherein the electrically conductive main body includes a linear segment extending proximally from a proximal end of the curved segment, and the electrically conductive blade is fixed to the first planar outer surface along the linear segment and the curved segment. ### Claim 3 (depends on 1) The electrosurgical electrode according to claim 1, wherein the electrically conductive main body includes a distal linear segment extending distally from a distal end of the curved segment. ### Claim 4 (depends on 3) The electrosurgical electrode according to claim 3, wherein the electrically conductive blade is fixed to the first planar outer surface along the distal linear segment and the curved segment. ### Claim 5 (depends on 1) The electrosurgical electrode according to claim 1, wherein the second planar outer surface is configured to receive a first electrosurgical waveform for coagulating the tissue. ### Claim 6 (depends on 5) The electrosurgical electrode according to claim 5, wherein the electrically conductive blade is configured to receive a second electrosurgical waveform different than the first electrosurgical waveform for cutting the tissue. ### Claim 7 (depends on 6) The electrosurgical electrode according to claim 6, wherein the electrically conductive blade has a pair of opposite side surfaces converging toward an edge in a direction away from the second planar outer surface, the edge configured to concentrate electrosurgical energy from the second electrosurgical waveform for cutting the tissue. ### Claim 8 (depends on 7) The electrosurgical electrode according to claim 7, wherein the pair of opposite side surfaces are coated with a non-conductive material. ### Claim 9 (depends on 1) The electrosurgical electrode according to claim 1, wherein the electrically conductive blade and the electrically conductive main body are coextruded. ### Claim 10 (depends on 1) The electrosurgical electrode according to claim 1, wherein the curved segment has a curved peripheral edge defining a distal-most end of the electrosurgical electrode. ### Claim 11 (depends on 1) The electrosurgical electrode according to claim 1, wherein the first planar outer surface along the curved segment is concave and the second planar outer surface along the curved segment is convex. ### Claim 12 An electrosurgical electrode, comprising: a curved segment; a first outer surface extending along the curved segment, the first outer surface configured for tugging tissue; a second outer surface, opposite the first outer surface, configured for coagulating the tissue; and a blade fixed to the first outer surface along at least the curved segment, the blade having an edge configured to concentrate RF energy for cutting the tissue, wherein the blade has a distal-most end extending from the first outer surface proximal to a distal-most end of the first outer surface in a direction away from the second outer surface. ### Claim 13 (depends on 12) The electrosurgical electrode according to claim 12, further comprising a linear segment extending proximally from a proximal end of the curved segment, wherein the blade is fixed to the first outer surface along the linear segment and the curved segment. ### Claim 14 (depends on 12) The electrosurgical electrode according to claim 12, further comprising a distal linear segment extending distally from a distal end of the curved segment. ### Claim 15 (depends on 14) The electrosurgical electrode according to claim 14, wherein the blade is fixed to the first outer surface along the distal linear segment and the curved segment. ### Claim 16 (depends on 12) The electrosurgical electrode according to claim 12, wherein the curved segment has a curved peripheral edge defining a distal-most end of the electrosurgical electrode. ### Claim 17 (depends on 12) The electrosurgical electrode according to claim 12, wherein the first outer surface along the curved segment is concave and the second outer surface along the curved segment is convex. ### Claim 18 An electrosurgical electrode, comprising: an electrically conductive main body including: a curved segment; a first planar outer surface configured for tugging tissue; and a second planar outer surface, opposite the first planar outer surface, configured to receive a first electrosurgical waveform for coagulating tissue; and a blade fixed to the first planar outer surface along at least the curved segment and configured to receive a second electrosurgical waveform different than the first electrosurgical waveform, wherein the blade has a distal-most end that projects from the first planar outer surface proximal to a distal-most end of the electrically conductive main body in a direction away from the second planar outer surface to form an edge configured to concentrate electrosurgical energy from the second electrosurgical waveform for cutting the tissue. ### Claim 19 (depends on 18) The electrosurgical electrode according to claim 18, further comprising a linear segment extending proximally from a proximal end of the curved segment, wherein the blade is fixed to the first planar outer surface along the linear segment and the curved segment. ### Claim 20 (depends on 18) The electrosurgical electrode according to claim 18, further comprising a distal linear segment extending distally from a distal end of the curved segment, wherein the blade is fixed to the first planar outer surface along the distal linear segment and the curved segment.