The ornamental design for an insertiontool for an implantable monitoring device, as shown and described.
FIG. 1 is a bottom, front, proximal side (i.e. perspective) view of the insertion tool for an implantable monitoring device with a distal end on the left side and a proximal end on the right side;
FIG. 2 is a rear side view of the insertion tool for an implantable monitoring device with a distal end on the right side and a proximal end on the left side;
FIG. 3 is a front side view of the insertion tool for an implantable monitoring device with a distal end on the left side and a proximal end on the right side;
FIG. 4 is a distal front view of the insertion tool for an implantable monitoring device;
FIG. 5 is a proximal rear view of the insertion tool for an implantable monitoring device;
FIG. 6 is a top view of the insertion tool for an implantable monitoring device; and,
FIG. 7 is a bottom view of the insertion tool for an implantable monitoring device.
The broken lines in the drawing depict environmental subject matter only and form no part of the claimed design.