Patent ID: 9237906
Filing Date: 2016-01-19
CPC Classification: A61B

Claim Text:
1. A combination of a bone drill and a sleeve, comprising: a receiving space for bone chips between the sleeve and the bone drill when the bone drill is inserted in the sleeve, wherein the bone drill is tubular and comprises an internal hollow sample space and a distal end having one or more sharp points configured to scrape off bone tissue, said internal hollow sample space located centrally and extending over a longitudinal length of the bone drill, wherein said internal sample space is configured to receive an intact single piece of bone tissue sample, wherein said intact single piece of bone tissue sample has a cylindrical shape, wherein said receiving space is located remotely from said distal end, and wherein the bone drill has chip guidance channels that extend from the distal end to the receiving space, wherein the chip guidance channels are in the form of a helical screw so that the chip guidance channels are configured to guide bone chips to the receiving space from the distal end.