ABLATION CATHETER AND OPERATION METHOD OF SAME

ABLATION CATHETER AND OPERATION METHOD OF SAME

The invention relates to an ablation catheter for treatment of a patient's tissue, for example for a PVI procedure on a patient's heart, comprising an elongated catheter shaft and an ablation portion being arranged at a distal end of the catheter shaft with a plurality of electrodes accomm...

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Hauptverfasser: HATA, Carey, EBERT, Henning, HOLZINGER, Steffen, DE LA RAMA, Alan, PANESCU, Dorin
Format: Patent
Sprache:eng ; fre ; ger
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DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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creator HATA, Carey
EBERT, Henning
HOLZINGER, Steffen
DE LA RAMA, Alan
PANESCU, Dorin
description The invention relates to an ablation catheter for treatment of a patient's tissue, for example for a PVI procedure on a patient's heart, comprising an elongated catheter shaft and an ablation portion being arranged at a distal end of the catheter shaft with a plurality of electrodes accommodated along the ablation portion, wherein the ablation portion comprises at least two loop sections forming a three-dimensional spiral. In order to increase safety of ablation treatment, spare adjacent tissue (e.g. nerves, vessels, esophagus) and shorten ablation time, a pitch, or clearance of two neighboring loop sections is greater than an ionization threshold of the medium around the distal section, for example blood or gases resulted from electrolysis. The invention further relates to an operation method of such ablation catheter.
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subjects DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
title ABLATION CATHETER AND OPERATION METHOD OF SAME
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