Heat exchange catheters and their methods of manufacture and use

A catheter device comprising:

• an elongate body having a proximal portion and a distal portion;
• the proximal portion of the elongate body having an inflow lumen and an outflow lumen;
• a tube passing through a series of spaced apart locations on the distal portion such that the tube forms a series of loops that protrude outwardly from the distal portion;
• the tube having a first end connected to the inflow lumen and a second end connected to the outflow lumen;
• wherein a window into the inflow lumen is formed at a first location and the first end of the tube extends through that window into the inflow lumen and is affixed to a wall of the inflow lumen;
• and
• a window into the outflow lumen is formed at a second location and the second end of the tube extends through that window into the outflow lumen and is affixed to a wall of the outflow lumen.

A catheter device comprising:

• an elongate body having a proximal portion and a distal portion;
• the proximal portion of the elongate body having an inflow lumen and an outflow lumen;
• a tube passing through a series of spaced apart locations on the distal portion such that the tube forms a series of loops that protrude outwardly from the distal portion;
• the tube having a first end connected to the inflow lumen and a second end connected to the outflow lumen;
• wherein the first and second ends of the tube are secured to inflow and outflow lumens, respectively, by adhesive.

A system comprising:

• a catheter device which comprises;
• an elongate body having a proximal portion and a distal portion,
• the proximal portion of the elongate body having an inflow lumen and an outflow lumen and a tube passing through a series of spaced apart locations on the distal portion such that the tube forms a series of loops that protrude outwardly from the distal portion;
• the tube having a first end connected to the inflow lumen and a second end connected to the outflow lumen;
• wherein transverse openings are formed at said spaced apart locations on the elongate body and the tube is positioned through those transverse openings;
• and
• wherein transverse openings are formed at said spaced apart locations and the tube is threaded through those transverse openings in combination with:
• apparatus for circulating heated or cooled thermal exchange fluid through the catheter device.