A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 18/04 (2006.01) A61B 18/14 (2006.01) A61M 25/00 (2006.01) A61B 17/00 (2006.01)
Patent
CA 2435477
A catheter for ablating tissue is provided. The catheter comprises an elongated generally tubular catheter body having proximal and distal ends and at least one lumen extending therethrough. A non-retractable ablation assembly is attached to the distal end of the catheter body. The ablation assembly comprises proximal and distal non-conductive tubings, each having a lumen extending therethrough and a generally tubular electrode mounted between the proximal and distal non-conductive tubings. The tubular electrode is formed of a material having shape- memory and has at least one irrigation port through which fluid can pass from the inside to the outside of the electrode. The ablation assembly further comprises a non- conductive protective tubing extending generally parallel to and along the outside of the tubular electrode. The protective tubing has proximal arid distal ends extending into the proximal and distal non- conductive tubings, respectively. The catheter fiber comprises at least one of an electrode lead wire and a temperature sensor wire, and preferably both, extending through the non-conductive protective tubing and catheter body, the electrode lead wire having a distal end mounted to a ring electrode mounted on the distal non-conductive tubing, and the temperature sensor wire having a distal end mounted on or under the distal non-conductive tubing. The catheter also comprises an infusion tube extending through the catheter body and having a distal end in fluid communication with the proximal end of the tubular electrode.
Fuimaono Kristine B.
Hill Irma P.
Biosense Webster Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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