Zenoss Bio+DSI Zenoss Membrane offers a cell occlusive, stabilizing matrix that promotes healing by harnessing the bodys natural tendency to regrow vascular connective tissue. An easy to use, cohesive, and quick rehydrating collagen membrane that protects the healing environment over a slow absorption that lasts between 3 4 months. DSI Zenoss Membrane is flexible, sterile, and easy to use. The material does not tear off; it is flexible and nonslippery when wet.