FIG. 1 is a perspective view of my design of a hourglass shaped knife for use with an electrosurgical forceps (shown in phantom representation);

FIG. 2 is a right side view of the hourglass-shaped knife of FIG. 1;

FIG. 3 is a bottom view of the hourglass-shaped knife of FIG. 1;

FIG. 4 is a rear view of the hourglass-shaped knife of FIG. 1;

FIG. 5 is a top view of the hourglass-shaped knife of FIG. 1;

FIG. 6 is a left side view of the hourglass-shaped knife of FIG. 1; and,

FIG. 7 is a front view of the hourglass-shaped knife of FIG. 1.

The broken line showing is for illustrative purposes only and forms no part of the claimed design.