Patent ID: 6071227
Filing Date: 2000-06-06
Classification: A61M,A61N

Abstract:
A medical appliance for the treatment of a portion of a blood vessel by means of ionizing radiation, comprising:a catheter tube for percutaneous transluminal treatment of the blood vessel,an inflatable dilation balloon;the catheter tube including an inflation lumen for inflating the dilation balloon and a distal shaft portion, the distal shaft portion including a single walled lumen;the dilation balloon being coupled to the single walled lumen and disposed thereabout;a shieldless radioactive radiation emitter disposed in the single walled lumen and being radially centered inside the balloon; andmeans for advancing and removing the radioactive radiation emitter into and from the portion of the blood vessel, for centering the radioactive radiation emitter within a treatment vessel at a treatment site for uniform radiation.