A device for ameliorating joint conditions and diseases comprising a) a first section comprising a joint-ward end, an opposing mating end, and a lateral wall, a peripheral column partially forming the lateral wall of the first section, a central column, and three or more than three struts extending between and connecting the peripheral column and the central column, and each strut thereby supporting the central column, the joint-ward end further comprising a plurality of fenestrations formed by a confluence of the peripheral column, the central column and two adjacent struts of the three or more than three struts, and first section further comprising a central aperture within and formed by the central column, and configured to mate with a driver, b) a second section comprising a mating end, an opposing leading end, and a lateral wall, the lateral wall of the second section comprising threads.