Patent ID: 9277926
Filing Date: 2016-03-08
CPC Classification: A61B

Claim Text:
1. A drill sleeve for use in forming a bore in a bone with a drill bit that is rotated by a drill that can move in a drilling direction toward the bone during an orthopedic procedure, the drill sleeve comprising: a base having a first surface for engaging a surface of a bone to be drilled, the base defining a passage that can receive the drill bit to engage the bone; a slider having a second surface abutting the drill with movement of the drill in the drilling direction, the slider mounted for movement with respect to the base so that movement of the drill in the drilling direction moves the slider toward the base; and a fluid damper arranged with respect to the base and slider for resisting movement of the slider, wherein the fluid damper is configured to increase the resistance to the movement of the slider with respect to the base in response to an increase in velocity of the drill in the drilling direction.