The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 01, 2022

Filed:

Oct. 31, 2017
Applicant:

Biosense Webster (Israel) Ltd., Yokneam, IL;

Inventors:

Dror Berman, Haifa, IL;

Assaf Pressman, Pardes Hanna-Karkur, IL;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 18/14 (2006.01); A61B 18/12 (2006.01); A61B 18/00 (2006.01); A61N 1/37 (2006.01); A61N 1/05 (2006.01); A61B 5/00 (2006.01); A61B 90/00 (2016.01); A61B 5/283 (2021.01);
U.S. Cl.
CPC ...
A61B 18/1492 (2013.01); A61B 18/1233 (2013.01); A61B 5/283 (2021.01); A61B 5/6885 (2013.01); A61B 2018/00357 (2013.01); A61B 2018/00577 (2013.01); A61B 2018/00654 (2013.01); A61B 2018/00702 (2013.01); A61B 2018/00821 (2013.01); A61B 2018/00839 (2013.01); A61B 2018/00875 (2013.01); A61B 2018/00904 (2013.01); A61B 2018/126 (2013.01); A61B 2018/1467 (2013.01); A61B 2090/065 (2016.02); A61N 1/056 (2013.01); A61N 1/371 (2013.01);
Abstract

Described herein is a method and system for gap detection in ablation lines. Microelectrodes are implemented at a distal tip of a catheter to provide localized gap detection along an ablation line. A pacing protocol is used to sequence through each of the microelectrode pairs for a tissue location. If living tissue is present, the pacing signal travels through the living tissue to pulse the heart. An operator will see a capture signal and know that there is a gap in the ablation line. The ablation electrode is then used to ablate the tissue in the gap. Pacing and ablation are therefore performed at the same place without the need to switch between instruments and/or catheters. In an implementation, a force sensor can automate the pacing protocol by determining which microelectrode pair is contacting the tissue. Moreover, signaling between microelectrode pairs can determine contact between the catheter and the tissue.


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