CryoLife, Inc. (CryoLife) is a medical device manufacturer and processor, and is engaged in the distribution of medical devices and implantable human tissues used in cardiac surgical procedures. The Company operates through two segments: Medical Devices and Preservation Services. The Medical Devices segment includes medical devices, such as BioGlue Surgical Adhesive, BioFoam Surgical Matrix, On-X Life Technologies Holdings, Inc. valves and surgical products, CardioGenesis cardiac laser therapy product line, PerClot and PhotoFix. PhotoFix is a pericardial patch stabilized using a dye-mediated photo-fixation process that requires no glutaraldehyde. The Preservation Services segment includes external services, such as preservation of cardiac and vascular tissues. The cardiac and vascular human tissues distributed by CryoLife include the CryoValve SG pulmonary heart valve and the CryoPatch SG pulmonary cardiac patch, both of which are processed using CryoLife's SynerGraft technology.