Bone coring trephine

Description

FIG. 1 is a right side perspective view of a bone coring trephine in accordance with the present invention in receipt of an exemplary instrument;

FIG. 2 is a right side elevation thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side perspective view of an alternative embodiment of the bone coring trephine in accordance with an alternative embodiment of the present invention in receipt of an exemplary instrument;

FIG. 8 is a right side elevation thereof;

FIG. 9 is a from elevation thereof;

FIG. 10 is a rear elevation thereof;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a bottom plan view thereof.

The broken line showing of an instrument in FIGS. 1 and 7 represents environment. All other broken lines represent portions of the article not claimed. The broken lines form no part of the claimed design.

The bone coring trephine is shown with a symbolic break in its length, with the understanding that the portions of the device not shown in the drawings form no part of the claim design.

Claims

The ornamental design for a bone coring trephine, as shown and described.