Abstract: Disclosed herein are expanding spinal fusion cage embodiments including an expandable cage assembly configured to expand from a collapsed state to an expanded state in an intervertebral space when inflated with a material. The assembly can include an inflatable section defining an interior volume configured to receive the material and expand the interior volume in response to a pressure from the received material to cause the expandable cage assembly to transition from the collapsed state to the expanded state, and a stabilization section configured to restrain the inflatable section during inflation.

Abstract: A screen enclosure frame element structured to resist fluid from contacting the anchor is presented. Particularly, the frame element comprises an anchor channel disposed within an interior portion of the frame element between a head surface and a support side; the anchor channel being dimensioned to receive an anchor there through and into an engaging relation with the base. Further, the frame element of at least one embodiment includes at least one anchor retention assembly which at least partially defines the anchor channel. The retention assembly comprises a support wall connected to or a part of an inner side of the head surface at one end, and disposable in a fluid restricting relation with the support base at the other end. Other embodiments include a cap with a curvilinear surface configuration and/or a plurality of support ledges with corrugates surfaces disposed in a fluid restricting relation with the base.