Medical Implant Device

FIG. 1 is an isometric view of a medical implant device showing my new design; FIG. 2 is a front elevation view thereof; FIG. 3 is a rear elevation view thereof; FIG. 4 is a top plan view thereof; FIG. 5 is a bottom plan view thereof; FIG. 6 is an elevation view thereof from the right side; and, FIG. 7 is an elevation view thereof from the left side. The broken lines illustrate portions of the medical implant device that form no part of the claimed design. Anything shown between the broken lines in the drawings is not claimed.