Embodiments of a device and method for connecting a bone fastener, for example a spinal screw, to an elongated member are disclosed. In one embodiment, a body having channels to receive the fastener and elongated member is tapered and has an aperture for a locking member. A tapered washer slides over...http://www.google.es/patents/US7377922?utm_source=gb-gplus-sharePatente US7377922 - Transfer ring for offset tapered 3D connector
