Abstract: A heat exchange catheter has a catheter body with an inflow lumen, an outflow lumen, and an infusion lumen. A first heat exchange balloon helically wraps around at least a portion of the catheter body in fluid communication with the inflow lumen. A second heat exchange balloon helically wraps around at least a portion of the catheter body in fluid communication with the outflow lumen. The first and second balloons form a gap there between to facilitate infusion of fluid into the blood stream of the patient via an infusion port formed within the gap.

Abstract: An apparatus for lowering the temperature of skin on a patient during treatment applying electromagnetic energy to the skin comprising a window of a first thermally conductive material through which electromagnetic energy can pass for placement against the epidermis of the skin. A reservoir of coolant is spaced from an edge of the window. A non-flowing second thermally conductive material connects the window and the reservoir to transfer heat from the window to the coolant in the reservoir.

Abstract: A UV phototherapy apparatus has a base unit containing a UVB arc lamp and an output port for delivery of UVB radiation within a predetermined range. A flexible, elongate optical guide is connected to the output port at one end and to a handpiece at the opposite end. The handpiece is arranged to convert the round beam from the optical guide into a predetermined straight-edged shape such as a rectangular beam, and has an exit aperture of corresponding shape for delivering the shaped beam to a target area of a patient. A beam isolating assembly in the optical path isolates UVB radiation in the predetermined range from the lamp output, so that at least 90% of the radiation directed into the optical guide is in the predetermined range.