North American Scientific is engaged in the design, development, manufacture, and sale of radioisotopic products for the treatment of cancer. The company offers Prospera I-125, an iodine-based seed, and Prospera Pd-103, a palladium-based seed for the treatment of prostate cancer; SurTRAK needles and strands used primarily for the treatment of prostate cancer; and STP-110 Precision Stepper and RTP-6000 Precision Stabilizer equipment, which positions and holds the trans-rectal ultrasound probe during the LDR brachytherapy procedure, as well as radiation shielding and needle loading accessories such as horizontal needle box and needle-loading shield, box, and carousel. The company also offers ClearPath, a multi-catheter breast brachytherapy device for accelerated partial breast irradiation treatment for women with early-stage breast cancer. North American Scientific was founded in 1987 and is based in Chatsworth, California, United States.