Thumb-guided Hand Piece for Medical Instrument Shafts

FIG. 1 is a perspective view of a thumb-guided hand piece for medical instrument shafts according to a first embodiment showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a top view thereof; and

FIG. 7 is a bottom view thereof.

FIG. 8 is a perspective view of a thumb-guided hand piece for medical instrument shafts according to a second embodiment showing our new design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a right view thereof;

FIG. 12 is a left view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The broken lines illustrate portions of the thumb-guided hand piece for medical instrument shafts that form no part of the claimed design.