19. The implant of claim 15 including a second shield and a second shield cavity with a second deflection rod mounted in said second shield cavity; and wherein said second shield is connected to said mount.
19. The implant of claim 15 including a second shield and a second shield cavity with a second deflection rod mounted in said second shield cavity; and wherein said second shield is connected to said mount. 20. The implant of claim 19 wherein said first shield and said second shield are about parallel.