The ornamental design for a bipolar forceps, as shown and described.
FIG. 1 is a front perspective view of a bipolar forceps according to the present invention.
FIG. 2 is a front view of the bipolar forceps of FIG. 1.
FIG. 3 is a rear view of the bipolar forceps of FIG. 1.
FIG. 4 is a left side view of the bipolar forceps of FIG. 1.
FIG. 5 is a right side view of the bipolar forceps of FIG. 1.
FIG. 6 is a top view of the bipolar forceps of FIG. 1; and,
FIG. 7 is a bottom view of the bipolar forceps of FIG. 1.
The dash broken line showing of the bipolar forces is included for the purpose of illustrating portions of the article and forms no part of the claimed design. The dash-dot-dash broken line defines the bounds of the claimed design and forms no part thereof.