CPC A61B 18/1445 (2013.01) [A61B 2018/0063 (2013.01); A61B 2018/00077 (2013.01); A61B 2018/00089 (2013.01); A61B 2018/00101 (2013.01); A61B 2018/00107 (2013.01)] | 19 Claims |
1. An electrosurgical instrument comprising:
a first branch having a first metal part, the first metal part comprising:
a first sealing electrode; and
a first hinge bore;
a second branch having a second metal part, the second metal part comprising:
a second sealing electrode; and
a second hinge bore; and
a bolt arranged within the first hinge bore and second hinge bore to rotatably couple the first branch to the second branch,
wherein the first hinge bore has a first plastic jacket that coats and extends through the first hinge bore to form a bearing sleeve configured to center the bolt at an axis in the first hinge bore by compensating for production tolerances in the first metal part and is coextensive with a plastic electrode sleeve enveloping at least a distal edge of the first sealing electrode.
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