Patent ID: 9474537
Filing Date: 2016-10-25
CPC Classification: A61B,A61N

Claim Text:
1. A surgical tool for lifting an overlying layer of skin away from underlying bone to prepare the bone to accommodate a convex element of an implantable device, the tool comprising: a lifting shell having an insertion edge adapted to be pushed between the skin and the bone during insertion, and an opening edge; a tool base having an opening edge, a top surface and a bottom surface, the bottom surface configured to lie against the underlying bone and the tool base opening edge formed adjacent to a portion of the top surface, the tool base and the lifting shell connected to one another along the insertion edge so as to form a pocket between the top surface of the tool base and the lifting shell, the lifting shell opening edge and the tool base opening edge forming a tool opening that allows access to an interior area of the pocket, wherein the lifting shell forms a bell-shaped curve near the lifting shell opening edge that tapers down to the insertion edge at two sides, and the lifting shell and the tool base bound the tool opening at the two sides; and a drill template opening in the tool base positioned between the insertion edge and the tool base opening edge, the tool base fully surrounding the drill template opening and the bottom surface of the tool base configured to be substantially flat, including around the drill template opening.