attached such as are shown in fig2 leads 91 and 93 are in electrical communication with an electrical power source 95 which provides sufficient current to stimulate bone growth through and adjacent to the band 12 in at least one embodiment the leads 91 and 93 may be inserted through pores 18 as previously shown and described to directly stimulate the fill material 108 the portions 81 and 83 may be part of a electrically conductive member 85 which is disposed within the walls 60 and 62 of the band 12 such as is shown in fig2 alternatively the entire band 12 is electrically conductive in yet another embodiment at least a portion of one or both walls 60 and 62 are electrically conductive and or electrically insulated in an alternative embodiment of the invention shown in fig2 and 28 the implant 10 may be characterized as a linear member or members 200 which is disposed about a vertebral disc 23 in a manner such as is shown in fig2 the member 200 may be a one or more of a combination of strands threads fibers cords or other substantially linear portions of material which include a first end 202 and a second end 204 that are capable of being tied or otherwise secured together preferably the member 200 has a height sufficient to cover the.