The ornamental design for a handle for medicalinstruments, as shown and described.
FIG. 1 is a front isometric view of a handle for medical instruments in accordance with the new design;
FIG. 2 is a left side view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a front view thereof; and,
FIG. 8 is a left side view thereof, shown with an attached medical instrument in broken lines.
The broken line showing of the medical instrument in FIG. 8 is for the purpose of illustrating portions of the handle for medical instruments and forms no part of the claimed design.