A cooling system is provided for cooling a canister. The method has several steps, for instance, inserting a percutaneous lumbar interbody implant; positioning guide wires for each facet screw to be implanted; performing facet arthrodesis in preparation for the facet screws; fixating the plurality of facet screws; and optionally performing foramen nerve root or central decompression. The flexible strut is rotationally engaged in a base. Specifically, the device seats the adapter and connector to align both and permit force to be in line with terminal ends. The current blocking layer is located in the first concaves of the p-type semiconductor layer.