Self-aligning Surgical Drill Bit

FIG. 1 is a top, proximal left perspective view of a self-aligning surgical drill bit;

FIG. 2 is a bottom, proximal left perspective view thereof;

FIG. 3 is a top, distal right perspective view thereof;

FIG. 4 is a bottom, distal right perspective view thereof;

FIG. 5 is a proximal end view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a partial enlarged cross-sectional view thereof, as taken along line 8 - 8 in FIG. 5 ;

FIG. 9 is a cross-sectional view thereof, as taken along line 9 - 9 in FIG. 7 ;

FIG. 10 is an enlarged partial cross-sectional view thereof, as taken along line 10 - 10 in FIG. 7 ; and,

FIG. 11 is an enlarged partial cross-sectional view thereof, as taken along line 11 - 11 in FIG. 7 .

In the drawings, the broken lines show unclaimed portions of the self-aligning surgical drill bit that form no part of the claimed design.

The broken lines with extended linear segments in FIGS. 10 and 11 are cut-away lines that do not exist in the reality of the self-aligning surgical drill bit. The portion of the self-aligning surgical drill bit outside the cut-away lines has been omitted from FIGS. 10 and 11 . The cut-away lines form no part of the claimed design.

The self-aligning surgical drill bit is shown with symbolic breaks in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.