Scalpel

FIG. 1 is a left-side perspective view of a scalpel showing my new design according to a first embodiment. FIG. 2 is a front view of my new design shown in FIG. 1 . FIG. 3 is a rear view of my new design shown in FIG. 1 . FIG. 4 is a right-side view of my new design shown in FIG. 1 . FIG. 5 is a left-side view of my new design shown in FIG. 1 . FIG. 6 is a top view of my new design shown in FIG. 1 . FIG. 7 is a bottom view of my new design shown in FIG. 1 . FIG. 8 is a front perspective view of my new design shown in FIG. 1 when in use. FIG. 9 is a left-side perspective view of a scalpel showing my new design according to a second embodiment. FIG. 10 is a front view of my new design shown in FIG. 9 . FIG. 11 is a rear view of my new design shown in FIG. 9 . FIG. 12 is a right-side view of my new design shown in FIG. 9 . FIG. 13 is a left-side view of my new design shown in FIG. 9 . FIG. 14 is a top view of my new design shown in FIG. 9 . FIG. 15 is a bottom view of my new design shown in FIG. 9 ; and, FIG. 16 is a front perspective view of my new design shown in FIG. 9 when in use. The broken lines consisting of dot-dash lines are boundary lines that show that the claimed design extends to the boundary line but does not include the boundary line. The human hand rendered in short broken lines in FIGS. 8 and 16 illustrates environmental subject matter intended to assist in showing how the design appears when in use and forms no part of the claim. The remaining portions of the scalpel rendered in short broken lines illustrate features of the article of manufacture that form no part of the claimed design.