LifeCell puts new life into the tissue graft market. The company makes soft tissue material for surgeries ranging from complex hernia repair to breast reconstruction. Products include Strattice Reconstructive Tissue Matrix, AlloDerm Regenerative Tissue Matrix, and an injectable form of Alloderm called Cymetra MAT. Its SPY Elite intraoperative system assists surgeons in visualizing tissue perfusion (flow of blood into tissue) in plastic, reconstructive, micro, gastrointestinal, and cardiovascular surgery procedures. Holding company Acelity sold LifeCell to Allergan for $2.9 billion in early 2017.