17/129,237

Paragraph Number

12

Certain embodiments may include one or more of the following aspects. The opening may have internal threads about the longitudinal axis and the expansion mechanism may have a screw member that may include a shank that may have threads that engage the internal threads within the opening, the screw member having a diameter selected such that rotation of the screw member about the longitudinal axis by activation of the driver expands, the first mesh, the second mesh, the upper mesh, and the lower mesh.

Added by DJM 2 2021