A magnetically opaque medical device is disclosed wherein a contrast agent is incorporated into the actual device. The open upper end is dimensioned for receiving the lower end of the wooden post therein. 9 or higher in emissivity, the far-infrared emission powders are inhibitory against the growth of bacteria, with a pH value of 7. Further, the filtration unit may include remote sensing and control apparatus allowing for quick switching between operational modes depending on the need for filtered vs. The cannula supporting coil is used as a component of a cannula delivery and support system that also includes an elongated sheath for containing the cannula supporting coil during delivery of the cannula supporting coil to the anatomical cavity; and, an elongated trocar contained within the sheath. These components are arranged in a light chamber composed of a lamp body and a lens cover.