Importance

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Abstract

A bipolar electrosurgical scissors instrument comprising a proximal portion having a proximal linear axis and a distal blade portion having blade members with a nonlinear axis in relation to the proximal linear axis. The blade members each comprise an electrically conductive outer surface and an electrically nonconductive inner surface, with the inner surface comprising a ceramic layer having a honed cutting edge. At least one, and preferably both, of the blade members can pivot in relation to each other. Pivoting of the blade members causes the honed cutting edge of the first blade member to wipe the honed cutting edge of the second blade member to thereby cause separation of tissue therebetween. The blade members in one preferred embodiment are curved in relation to the proximal linear axis, while the blade members in a second preferred embodiment are angled in relation to the proximal linear axis. In this manner the proximal linear-axis portion of the scissors instrument does not obscure the visualization of the blade members during performance of a surgical procedure.

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First Claim