Patent ID: 8846060
Filing Date: 2014-09-30
Classification: A61B,A61F,A61L

Abstract:
1. A matrix for tissue growth, said matrix comprising: a first layer comprising a first assembly of collagen fibers; a plurality of molded projections extending from a planar top surface of the first layer, wherein the projections have an average diameter of 0.001-0.5 cm and an average height of 0.001-0.2 cm, and wherein at least a part of the top surface of the first layer has at least one projection per square centimeter and wherein the plurality of projections are less dense and more porous than adjacent areas on the top surface; and a second layer bonded to a bottom portion of the first layer and comprising a second assembly of collagen fibers, wherein the second layer has a lower density than the first layer, and the matrix comprises pores effective to support cell growth into the matrix.