The ornamental design for an electrosurgicalgenerator, as shown and described.
FIG. 1 is a front perspective view of an electrosurgical generator showing the new design;
FIG. 2 is a front elevational view of the electrosurgical generator;
FIG. 3 is a back elevational view of the electrosurgical generator;
FIG. 4 is a top plan view of the electrosurgical generator;
FIG. 5 is a bottom plan view of the electrosurgical generator;
FIG. 6 is a right side elevational view of the electrosurgical generator; and,
FIG. 7 is a left side elevational view of the electrosurgical generator.
The broken lines shown in the Figures are included for the purposes of illustrating portions of the electrosurgical generator and form no part of the claimed design.