I claim the ornamental medical injector, as shown and described.
FIG. 1 is a perspective view of the housing viewed from the front and left of and above the medical injector;
FIG. 2 is a perspective view of the housing viewed from the rear and right of and above the medical injector
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a front elevation view thereof; and,
FIG. 8 is a rear elevation view thereof.
The broken line showing is for the purpose of illustrating portions of the article and defines the bounds of the claimed invention, but forms no part of the claimed design.