JP-2022534771-A5 -

Dates

Publication Date

20230525

Application Date

20200529

Description

The descriptions of different advantageous structures are provided for illustrative and illustrative purposes only and are not intended to be exhaustive or to limit the examples to the forms disclosed. Many modifications and changes will be apparent to those skilled in the art. Furthermore, different advantageous examples may illustrate different advantages compared to other advantageous examples. One or more selected examples are chosen and described to illustrate the principle of the example, its practical application, and to enable those skilled in the art to understand this disclosure to various examples with various modifications suited to the particular intended use. The claims initially filed were as follows: [Claim 1] An electrosurgical electrode for transporting electrical energy, A proximal electrode end configured to receive electrical energy from an electrosurgical tool, The distal electrode end and The working end portion between the proximal electrode end and the distal electrode end is configured to use the electrical energy received by the proximal electrode end to cut or coagulate tissue, The first transverse surface, The second lateral surface opposite to the first lateral surface, The electrosurgical electrode has a first main surface extending between the first transverse surface and the second transverse surface on the first side, On the second side of the electrosurgical electrode opposite the first side, a second principal surface extends between the first transverse surface and the second transverse surface, One or more openings extending through the entire thickness of the electrosurgical electrode between the first main surface and the second main surface, The first portion of the outer surface of the operating end is covered by at least one layer of insulating material, and the second portion of the outer surface is not covered by the at least one layer of insulating material bonded to the outer surface, Equipped with, The at least one layer of the insulating material is configured to prevent the application of current from the first portion of the outer surface to the patient's tissue. An electrosurgical electrode in which the at least one layer of the insulating material is bonded to the outer surface by one or more openings. [Claim 2] The electrosurgical electrode according to claim 1, wherein the at least one layer of the insulating material extends through the one or more openings. [Claim 3] The electrosurgical electrode according to claim 1 or 2, wherein the at least one layer of the insulating material is a continuous loop extending from the first surface to the second surface through the one or more openings. [Claim 4] The electrosurgical electrode according to any one of claims 1 to 3, wherein one or more of the openings include a slot that extends axially along a longitudinal axis between the proximal electrode end and the distal electrode end. [Claim 5] The electrosurgical electrode according to any one of claims 1 to 4, wherein the one or more openings comprises multiple openings. [Claim 6] The aforementioned plurality of openings A first slot extending axially between the proximal electrode end and the distal electrode end, A second slot extending in the axial direction is provided between the proximal electrode end and the distal electrode end, Equipped with, The at least one layer of the insulating material is (i) extending across the entire first surface between the first slot and the second slot, (ii) Extending through the second slot between the first surface and the second surface, (iii) extending across the entire second surface between the second slot and the first slot, (iv) Extending through the first slot between the second surface and the first surface, The electrosurgical electrode according to claim 5. [Claim 7] The second portion of the outer surface that is not covered by the at least one layer of the insulating material, (i) located between the first slot and the first lateral surface, (ii) Between the second slot and the second lateral surface, The electrosurgical electrode according to claim 6. [Claim 8] The electrosurgical electrode according to claim 5, wherein the plurality of openings comprises an array of circular openings. [Claim 9] The electrosurgical electrode according to any one of claims 1 to 8, wherein at least one layer of the insulating material comprises a polymerization material. [Claim 10] The electrosurgical electrode according to claim 9, wherein the polymerization material includes polytetrafluoroethylene (PTFE). [Claim 11] The electrosurgical electrode according to any one of claims 1 to 10, wherein the thickness of at least one layer of the insulating material is approximately 100 microns or more. [Claim 12] The electrosurgical electrode according to any one of claims 1 to 11, wherein the second portion is covered by a layer of material configured to provide for applying an electric current to the patient's tissue from the seco