Theragenics Corporation

Joshua J Bergman

Jack C White

David Wesley Stephens

Nathan Christopher Griffith

Kyle Kevin Millage

Amit Prakash Govil

A method for brachytherapy in a lumpectomy cavity of a breast including, positioning a distal end of a brachytherapy device within the cavity, expanding an expandable surface portion located between proximal and distal ends of the device within the cavity, the source lumen tubes defining a curved configuration within the cavity; and positioning a source of radiation sequentially within one or more source lumens of the source lumen tubes according to a brachytherapy treatment plan. The device includes an inner tube, and a plurality of source lumen tubes located around the inner tube and including distal ends secured together with the inner tube at the distal end disposed within the body cavity, the source lumen tubes comprising proximal portions sufficiently long to extend outside the breast.

Expandable brachytherapy device

A brachytherapy device for the provision of brachytherapy is disclosed. The brachytherapy device has at least one source lumen located outside a movable surface of the device. The source lumen may be secured to the movable outer surface in a manner whereby relative movement of the source lumen relative to the movable outer surface is permitted. The brachytherapy device is inserted into a body cavity. After insertion, the movable surface is moved to position the at least one source lumen closer to the tissue boundary of the cavity. One or more sources of radiation are then placed within the at least one source lumen to provide a customizable treatment. Also disclosed are methods for providing brachytherapy via body cavities.

A brachytherapy device including an elongate member comprising a proximal portion and a distal portion. The device also includes a movable surface portion surrounding at least the distal portion of the elongate member and a plurality of source lumen tubes defining respective source lumens, the source lumen tubes being located around the elongate member, distal ends of the source lumen tubes coupled to the distal portion of the elongate member, the source lumen tubes extending a sufficient distance in a proximal direction such that the source lumen tubes extend outside a body when distal portions of the source lumen tubes are positioned in a body cavity for brachytherapy. The device also has structure coupled to the distal ends of the source lumen tubes for positioning the distal portions of the source lumen tubes at different distances from the elongate member for brachytherapy by exerting a force in a proximal direction on the distal ends of the source lumen tubes, the structure including an actuator for actuating the structure, at least a portion of the actuator being located outside the body when the distal portions of the source lumen tubes are positioned in a body cavity for brachytherapy. The device also includes a ring, tube or manifold securing a portion of the source lumen tubes proximal to the distal portion around the elongate member and a source of radiation suitable for insertion into the source lumens.

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Myrtle Point, OR, United States of America

Joshua J Bergman