Theragenics Corporation® is a medical device company serving the surgical products and prostate cancer treatment markets. Its surgical products business manufactures and distributes wound closure, vascular access, and specialty needle products.  Its brachytherapy business manufactures and markets its premier product, the palladium-103 TheraSeed® device and I-Seed, an iodine-125 based device.  These devices are primarily used in the minimally invasive treatment of localized prostate cancer.