A dual mode transurethral warming apparatus particularly adapted to treat benign prostatic hyperplasia includes a urethral catheter dimensioned for insertia through the urethra. The catheter includes an elongated flexible tube having a plurality of longitudinal lumens extending between the ends of the...http://www.google.de/patents/US6424869?utm_source=gb-gplus-sharePatent US6424869 - Dual mode transurethral microwave warming apparatus
