Vivos 

Vivos Inc. is a medical technology company focused on radiation oncology, specializing in the development of internal radiation therapy devices for managing tumors that cannot be surgically removed. Their offerings include RadioGel, an injectable particle-gel that utilizes yttrium-90 for targeted radiation treatment of cancerous growths in both humans and animals. Additionally, the company provides IsoPet, a specific treatment for solid tumors found in animals. Established in 1994, Vivos Inc. is based in Richland, Washington. It previously operated under the name Advanced Medical Isotope Corporation before rebranding to Vivos Inc. in December 2017.