Transurethral radio frequency apparatus for ablation of the pros

Details Transurethral radio frequency apparatus for ablation of the pros Transurethral radio frequency apparatus for ablation of the pros

1997-09-12

1999-09-28

Peffley, Michael

Surgery

Instruments

Electrical application

606 42, 607102, 607105, A61B 1737

Patent

active

059579226

ABSTRACT:
A transurethral radio frequency apparatus for ablation of the prostate gland through the urethra formed by a wall, a probe consisting of a flexible elongate tubular member with proximal and distal extremities and sized so as to be adapted to be inserted into the urethra, and an ablation electrode carried by the distal extremity of the flexible elongate member. The flexible elongate tubular member is provided with first and second flow lumens for delivering a cooled fluid to the ablation electrode to cool the same. Means are connected to the probe to supply a coolant solution to the probe, to supply radio frequency energy to the electrode while it is being cooled, and to monitor the temperature of the ablation electrode so that the ablation electrode is maintained at a temperature below a predetermined temperature to spare the urethral wall from irreversible damage from the radio frequency energy delivered to the ablation electrode.

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