The ornamental design for an injectionneedle, as shown and described.
FIG. 1 is a front view of an injection needle showing our design;
FIG. 2 is a rear view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is an enlarged view of the bottom portion of the side view of FIG. 5;
FIG. 8 is an enlarged view of the bottom portion of the side view of FIG. 6; and,
FIG. 9 is another front view of the injection needle while in use with a syringe.
The broken line showing of portions of the injection needle illustrates portions of the injection needle which form no part of the claimed design. The broken line showing of the syringe in FIG. 9 illustrates the environment of the claimed design and forms no part thereof.