ATRIX

medical apparatus, comprising guided tissue regeneration barrier devices for use in periodontal or other tissue regeneration treatment; and guided tissue regeneration barrier devices sold in a kit comprised primarily of a foil-pouched tray that contains a barrier forming case and three units of sodium choloride solution, the barrier forming case having two sections of hydrophilic porous plastic pads and two spacers, with a 1 millimeter grid pattern visible through the underside of the case to allow a formed barrier trimming area inside of the case