Irrigated tip catheter

Details Irrigated tip catheter Irrigated tip catheter

1997-12-01

2000-09-19

Polutta, Mark O.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604528, 607122, A61M 3700, A61M 2501, A61N 100

Patent

active

061204765

ABSTRACT:
A steerable catheter having an irrigated tip comprises a catheter body having an outer wall, proximal and distal ends, and a single lumen extending therethrough. A control handle is fixedly attached to the proximal end of the catheter body. A tip section comprising a flexible tubing having proximal and distal ends and at least two lumens extending therethrough is fixedly attached to the distal end of the catheter body. A tip electrode is fixedly attached to the distal end of the tip section. The tip electrode has at least one fluid passage in fluid communication with a lumen in the tip section. An infusion tube having proximal and distal ends extends through the lumen in the catheter body. The distal end of the infusion tube is in open communication with the proximal end of the fluid passage in the tip electrode such that fluid can flow through the infusion tube, into the fluid passage in the tip electrode to the outer surface of the tip electrode. The catheter further comprises one or more puller wires attached at their distal ends to the tip section and at their proximal ends to the control handle for deflecting the tip section by manipulation of the control handle.

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