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1. WO2022002714 - CONTACT SENSING FOR AN ABLATION CATHETER

Publication Number WO/2022/002714
Publication Date 06.01.2022
International Application No. PCT/EP2021/067112
International Filing Date 23.06.2021
IPC
A61B 18/14 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
04by heating
12by passing a current through the tissue to be heated, e.g. high-frequency current
14Probes or electrodes therefor
A61B 90/00 2016.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
90Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/-A61B50/171
A61B 18/00 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
Applicants
  • KONINKLIJKE PHILIPS N.V. [NL]/[NL]
Inventors
  • OREN, Eitan
  • SHLAIN, Adar
  • COHEN, Stavit
  • IBRAGIMOV, Zalman
  • FAINGERSH-KLEBANOV, Anna
Agents
  • PHILIPS INTELLECTUAL PROPERTY & STANDARDS
Priority Data
20183219.330.06.2020EP
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) CONTACT SENSING FOR AN ABLATION CATHETER
(FR) DÉTECTION DE CONTACT POUR UN CATHÉTER D'ABLATION
Abstract
(EN) A mechanism for predicting whether or not contact occurs between an ablation therapy catheter and an anatomical structure. The mechanism proposes two modes of operation. A first mode is used if the ablation therapy catheter is currently performing ablation, e.g. current is being supplied by an ablation controller to electrodes of the ablation therapy catheter, whereas a second mode is used if the ablation therapy catheter is not currently performing ablation. The two modes use two different algorithmic processes to predict whether or not contact occurs between the ablation therapy catheter and the anatomical structure.
(FR) Mécanisme permettant de prédire si un contact se produit ou non entre un cathéter de thérapie d'ablation et une structure anatomique. Le mécanisme proposes deux modes de fonctionnement. Un premier mode est utilisé si le cathéter de thérapie d'ablation effectue actuellement une ablation, par exemple, un courant est fourni par un dispositif de commande d'ablation à des électrodes du cathéter de thérapie d'ablation, tandis qu'un second mode est utilisé si le cathéter de thérapie d'ablation n'est pas en train d'effectuer une ablation. Les deux modes utilisent deux procédés algorithmiques différents pour prédire si un contact se produit ou non entre le cathéter de thérapie d'ablation et la structure anatomique.
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