Patent ID: 8500618

Claim:
A vaginal balloon apparatus for use with a separate brachytherapy applicator, comprising: first and second balloons, each balloon comprising a first material welded to a second material to form said balloon, said first material being thicker or less elastic than said second material; each balloon further comprising a lumen with a single passageway in fluid communication with said balloon and a valve on said lumen for introducing a fluid into said balloon through said single passageway; each lumen further comprising an attachment clip having a first end groove sized to fit an outside diameter of said lumen, and a second end groove sized to fit either an outside diameter of a separate brachytherapy applicator or the outside diameter of the other lumen, said first and second balloons being movable between a deflated condition and an inflated condition, wherein in said inflated condition said first material forms a flatter surface than said second material, and said second material conforms to the shape of a vaginal cavity.