RADIOACTIVE SLEEVE

摘要

The present invention provides a device for administering radiation to a bodily vesicle, comprising a radiation-emitting sleeve having a generally tubular structure with at least one end adapted for communicating with a distal end of a catheter, wherein the sleeve when in communication with the catheter is expandable from a first positioning diameter to a second larger radiation delivery diameter, and is further retractable back to the first positioning diameter.