Patent ID: 6409651
Filing Date: 2002-06-25
Classification: A61M,A61N

Abstract:
A device for delivering radiation to an in vivo treatment site comprising:an inner shielding catheter comprising a radiation shielded lumen and a radiation emitting portion comprising a radiation emitting material movable within the shielded lumen of the shielding catheter, wherein the radiation emitting material is axially slidable between a first configuration in which the radiation emitting material is contained within the shielded lumen and a second configuration in which the radiation emitting material extends from the distal end of the shielding catheter; an outer catheter comprising at least a first lumen and a second lumen, wherein the first lumen is sized to receive the shielding catheter and the second lumen is capable of receiving a guide wire; and a radiation proof valve on the distal end of the shielded lumen.