Cryolife Inc is a medical device company that manufactures and distributes implantable human tissues for use in cardiac and vascular surgeries. The firm operates in two segments: Medical Devices and Preservation Services. The Medical Device segment contributes the majority of revenue. It sells a range of surgical sealants and hemostats, which include BioGlue Surgical Adhesive, BioFoam, and PerClot, an absorbable powdered hemostat. This segment also sells the CardioGenesis cardiac laser therapy system, which is used to treat coronary artery disease in patients with severe angina. The preservation services segment includes service revenue from the preservation of cardiac and vascular tissues. CryoLife generates the majority of its revenue in the United States.