A customized gynecological brachytherapy applicator is formed by placing a molded balloon, which is secured to a handle, into a vaginal cavity and then filling the mold balloon with a settable liquid material. The material may be an expanding foam or any other form of curable material that becomes solid,...http://www.google.co.uk/patents/US7678040?utm_source=gb-gplus-sharePatent US7678040 - Customized gynecological brachytherapy applicator and method