In an embodiment, an interspinous process spacer system includes a light-conducting fiber configured to transmit light energy; a liquid light-curable material; and a catheter having an elongated shaft with a proximal end adapter, a distal end releasably engaging an expandable interspinous process spacer...http://www.google.com.au/patents/US20100262188?utm_source=gb-gplus-sharePatent US20100262188 - Photodynamic Bone Stabilization Systems and Methods for Treating Spine Conditions
