The ornamental design for a medicalinstrument with spiraltip, as shown and described.
FIG. 1 is a top isometric view of a medical instrument with spiral tip in accordance with the new design;
FIG. 2 is a front bottom isometric view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top rear isometric view thereof;
FIG. 8 is an enlarged top isometric view thereof; and,
FIG. 9 is an enlarged bottom isometric view thereof.
FIGS. 1-9 show a break indicating no particular length.
The medical instrument with spiral tip is shown with a symbolic break in its length, width, and height. The appearance of any portion of the article between the break lines forms no part of the claimed design.