Patent ID: 7494457
Filing Date: 2009-02-24
Classification: A61N

Abstract:
1. A brachytherapy device, comprising: an elongate catheter member having a proximal portion, a distal portion, and at least one lumen extending therethrough; a balloon member disposed around the distal portion of the elongate catheter member and having a cavity formed therein and in fluid communication with at least one lumen in the elongate catheter, the balloon member having a first tissue contacting surface shaped to conform to a predetermined external surface area of a tissue to be treated; and a radiation source in the form of a liquid disposed within the cavity of the balloon; wherein the balloon member includes a plurality of anchor members distributed about a periphery of the first surface to anchor the first surface to an external surface area of the tissue to be treated; and wherein the balloon member includes a second surface opposed to the first surface, and a peripheral wall extending between the first and second surfaces to define the cavity therein.