Tissue Regeneration Systems Receives 510K Approval (via PR Newswire)ANN ARBOR, Mich., Aug. 26, 2013 /PRNewswire/ — Tissue Regeneration Systems, Inc. (“TRS”) today announced that it has received 510K approval from the U.S. Food and Drug Administration for its Cranial Bone Void Filler product, indicated for use in the…