Radio-frequency-based catheter system with improved...

Details Radio-frequency-based catheter system with improved... Radio-frequency-based catheter system with improved...

2006-02-22

2010-10-19

Dvorak, Linda C (Department: 3739)

Surgery

Instruments

Electrical application

C606S033000, C606S047000, C606S129000, C604S095010, C604S095040

Reexamination Certificate

active

07815637

ABSTRACT:
A RF catheter system includes a catheter with a proximal portion, a distal portion having a distal end and a lumen extending from the proximal portion to the distal portion. Inner and outer coaxially aligned conductors extend within the catheter and are coaxial with the lumen. A deflectable catheter guide is disposed within the catheter lumen and extends proximally within the catheter lumen and terminates distally of the distal end of the catheter to define a biological ablation pathway. A radio-frequency antenna is disposed at the distal portion of the catheter and is in electrical communication with the inner and outer coaxially aligned conductors. The radio-frequency antenna is adaptable to receive and transmit radio-frequency energy for ablating biological tissue along the ablation pathway.

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