Patent ID: 6488659
Filing Date: 2002-12-03
Classification: A61B,A61M

Abstract:
A catheter for injecting a therapeutic solution into a target area within a patient's body, the patient's body having a temperature, the catheter having a proximal end and a distal end, said catheter comprising:a catheter body having a catheter wall, an insulation layer and a solution tube, the solution tube carries the therapeutic solution from the proximal end of the catheter to the distal end of the catheter, the insulation layer surrounds the solution tube and insulates the therapeutic solution carried by the solution tube from the transfer of heat between the patient's body and the therapeutic solution, and the catheter wall surrounds the insulation layer; a pressurizing element, located at the proximal end of the catheter, for forcing the therapeutic solution through the solution tube; and a puncturing element, located at the distal end of the catheter and in fluid communication with the solution tube, for administering the therapeutic solution to the target area.