US Patent 9757543 Delivery of materials into margins of tissue cavities

Surgery is performed on a patient with a novel device by:excising tissue from tissue mass within a patient to create a cavity within the tissue mass;inserting a novel device of this invention into the cavity;shaping a flexible expandable component of the device to adjust dimensions on the flexible expandable component;providing a liquid into the component through the liquid input port; andcontrolling pressure or flow rate of the liquid in the component to move the liquid through the multiple openings and into the cavity.