KR102698052B1 - 절제선에서의 갭 검출을 위한 방법 및 시스템 - Google Patents
절제선에서의 갭 검출을 위한 방법 및 시스템 Download PDFInfo
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Abstract
Description
도 1은 소정 구현예에 따른 의료 시스템을 그림으로 예시하는 상위 개략도.
도 1a는 소정 구현예에 따른 의료 시스템의 상위 블록도.
도 2는 소정 구현예에 따른 예시적인 카테터의 개략도.
도 3은 소정 구현예에 따른 미세전극들을 갖는 카테터의 예시적인 원위 팁의 도면.
도 4는 소정 구현예에 따른 갭 검출을 위한 흐름도.
도 5는 소정 구현예에 따른 본 명세서에 기술된 방법 및 시스템을 사용한 절제선의 개략도.
도 6은 소정 구현예에 따른 심장박동조율 시퀀스를 사용하는 미세전극들의 개략도.
Claims (20)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 절제선 내에서의 갭 검출을 위한 시스템으로서,
복수의 미세전극들 및 절제 전극을 포함하는 카테터로서, 상기 카테터는 상기 절제선을 따라 조직 위치에 배치되도록 구성되고, 상기 카테터는:
상기 조직 위치에 있는 어떤 쌍들의 미세전극들이 표적 조직과 접촉하는지를 자동으로 검출하는 힘 센서 또는 열전대; 및
하나 또는 두개의 소형 코일과, 임피던스-기반 또는 초음파 위치 센서를 포함하는 위치 센서를 더 포함하는, 상기 카테터;
상기 복수의 미세전극들 및 상기 절제 전극과 통신하는 처리 장치를 포함하고,
상기 처리 장치는,
상기 힘 센서 또는 상기 열전대에 의해 상기 표적 조직과 접촉한다고 검출된 한 쌍의 미세전극들을 통해, 상기 표적 조직에 심장박동조율 신호를 심장박동조율 프로토콜에 따라 전송하고,
살아있는 조직이 존재하면 전극을 통해 캡처 신호를 수신하며,
수신된 캡처 신호에 기초하여 상기 절제선에서의 갭을 결정하고,
상기 카테터의 이동 없이 상기 절제 전극을 이용하여 상기 절제선에서의 검출된 갭 내의 상기 살아있는 조직의 절제를 발생시키도록 구성되는, 시스템. - 제9항에 있어서, 상기 처리 장치는 심장박동조율 신호 유닛을 추가로 포함하고,
상기 심장박동조율 신호 유닛은,
상기 복수의 미세전극들로부터의 어떤 쌍들의 미세전극들이 표적 조직과 접촉하는지를 결정하고,
상기 표적 조직과 접촉하는 상기 미세전극들의 쌍들에 기초하여 상기 심장박동조율 프로토콜을 구현하도록 구성되는, 시스템. - 제10항에 있어서, 상기 힘 센서는 상기 심장박동조율 신호 유닛과 통신하는, 시스템.
- 제10항에 있어서, 상기 열전대는 상기 심장박동조율 신호 유닛과 통신하는, 시스템.
- 제10항에 있어서, 상기 처리 장치는 상기 심장박동조율 프로토콜에 따라 상기 카테터를 이동시킴이 없이 상기 조직 위치에 있는 다른 쌍의 미세전극들을 통해 다른 심장박동조율 신호를 전송하도록 구성되는, 시스템.
- 제9항에 있어서, 상기 처리 장치는 상기 조직 위치에 있는 미세전극들의 쌍들 사이의 신호들을 사용하여, 상기 카테터가 표적 조직과 접촉하는지 여부를 결정하도록 구성되는, 시스템.
- 제9항에 있어서, 상기 캡처 신호를 사용자에게 표시하기 위한 디스플레이를 추가로 포함하는, 시스템.
- 표적 조직의 절제선을 따른 갭 검출에 사용하기 위한 카테터로서,
복수의 미세전극들로서, 상기 표적 조직과 접촉하는 각각의 쌍의 전극들은 심장박동조율 신호를 전송하는, 상기 복수의 미세전극들;
절제 전극으로서, 상기 심장박동조율 신호에 응답하는 상기 표적 조직으로부터의 캡처 신호로부터 검출되는 상기 절제선에서의 갭 내의 살아있는 조직을 절제하는, 상기 절제 전극;
어떤 쌍들의 미세전극들이 상기 표적 조직과 접촉하는지를 자동으로 검출하는 힘 센서 또는 열전대; 및
하나 또는 두개의 소형 코일과, 임피던스-기반 또는 초음파 위치 센서를 포함하는 위치 센서를 포함하고,
상기 힘 센서 또는 상기 열전대에 의해 상기 표적 조직과 접촉한다고 검출된 한 쌍의 미세전극들을 통해 상기 표적 조직으로의 상기 심장박동조율 신호의 전송과 절제는 상기 표적 조직에서의 상기 카테터의 단독 배치(singular placement)로 행해지는, 카테터. - 삭제
- 삭제
- 제16항에 있어서, 상기 복수의 미세전극들 및 상기 절제 전극은 상기 카테터의 원위 단부(distal end)에 있는, 카테터.
- 제16항에 있어서, 상기 복수의 미세전극들은 리세스(recess) 내에 있고, 상기 카테터의 외부 표면과 동일 평면을 이루는, 카테터.
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US15/799,254 | 2017-10-31 | ||
US15/799,254 US11484359B2 (en) | 2017-10-31 | 2017-10-31 | Method and system for gap detection in ablation lines |
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EP (2) | EP3476347B1 (ko) |
JP (1) | JP7262970B2 (ko) |
KR (1) | KR102698052B1 (ko) |
CN (1) | CN109717948A (ko) |
AU (1) | AU2018236711A1 (ko) |
BR (1) | BR102018071733A2 (ko) |
CA (1) | CA3022459A1 (ko) |
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US20210401492A1 (en) * | 2019-02-21 | 2021-12-30 | St. Jude Medical, Cardiology Division, Inc. | Systems and methods for assessing ablation lesions |
US20210077184A1 (en) * | 2019-09-16 | 2021-03-18 | Biosense Webster (Israel) Ltd. | Catheter with thin-film electrodes on expandable membrane |
US20210290094A1 (en) * | 2020-03-23 | 2021-09-23 | Biosense Webster (Israel) Ltd. | Pacing induced electrical activation grading |
US20240115312A1 (en) | 2022-10-04 | 2024-04-11 | Biosense Webster (Israel) Ltd. | Detection of electrophysiological (ep) conduction gaps in ablation line |
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US20130253504A1 (en) | 2012-03-21 | 2013-09-26 | Itzhak Fang | Flower catheter for mapping and ablating veinous and other tubular locations |
JP2017086913A (ja) * | 2015-11-11 | 2017-05-25 | バイオセンス・ウエブスター・(イスラエル)・リミテッドBiosense Webster (Israel), Ltd. | 4つのコイルを有する対称性の短い接触力センサ |
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- 2018-10-26 RU RU2018137791A patent/RU2018137791A/ru not_active Application Discontinuation
- 2018-10-29 KR KR1020180129654A patent/KR102698052B1/ko active Active
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- 2018-10-30 EP EP18203277.1A patent/EP3476347B1/en active Active
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US11484359B2 (en) | 2022-11-01 |
JP2019080926A (ja) | 2019-05-30 |
MX2018013282A (es) | 2019-05-20 |
IL261992B (en) | 2022-02-01 |
RU2018137791A (ru) | 2020-04-27 |
JP7262970B2 (ja) | 2023-04-24 |
EP3476347A1 (en) | 2019-05-01 |
KR20190049518A (ko) | 2019-05-09 |
EP3878390A1 (en) | 2021-09-15 |
AU2018236711A1 (en) | 2019-05-16 |
EP3878390C0 (en) | 2024-03-06 |
CN109717948A (zh) | 2019-05-07 |
EP3878390B1 (en) | 2024-03-06 |
BR102018071733A2 (pt) | 2019-06-04 |
US20190125438A1 (en) | 2019-05-02 |
EP3476347B1 (en) | 2021-05-05 |
IL261992A (en) | 2019-02-28 |
CA3022459A1 (en) | 2019-04-30 |
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