#$%^&*AU2012203869B220140123.pdf#####ABSTRACT Spinal tissue distraction devices that include an elongated member which has a predeployed configuration for insertion between tissue layers and a deployed 5 configuration in which the elongated member, by change of configuration, forms a support structure for separating and supporting layers of spinal tissue. The distraction devices may also limit and direct the movement of flowable material to substantially reduce extravasation. 10 15 02/07/12,dh-20107 - abstractpg - cdm,21/25 FIG. 1 FIG. 2 III IPi F IG.3 paFIGo / bAI
