KR20230165840A - 펄스 필드 절제 디바이스 및 방법 - Google Patents
펄스 필드 절제 디바이스 및 방법 Download PDFInfo
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Abstract
Description
도 1은 예시적인 절제 시스템의 블록도이다.
도 2는 카테터를 갖는 예시적인 펄스 필드 절제 디바이스의 개요이다.
도 3a는 샤프트 조립체를 갖는 예시적인 카테터를 도시하고 있다.
도 3b는 샤프트 조립체의 단면의 예시적인 표현이다.
도 4는 팽창 구성의 바스켓 조립체를 갖는 카테터의 원위 팁의 예시적인 표현이다.
도 5는 접힘 구성의 바스켓 조립체를 갖는 카테터의 예시적인 원위 팁을 도시하고 있다.
도 6a는 예시적인 팽창된 팽창형 바스켓을 도시하고 있다.
도 6b는 필라멘트를 갖는 예시적인 팽창형 바스켓의 상세도이다.
도 6c는 필라멘트와 전도성 와이어를 갖는 예시적인 팽창형 바스켓의 상세도이다.
도 7a는 카테터의 예시적인 원위 팁의 정면도이다.
도 7b는 카테터의 예시적인 원위 팁의 측면도이다.
도 8은 세장형 전극을 갖는 예시적인 편조 메시를 도시하고 있다.
도 9는 필라멘트의 루멘의 내부에 필라멘트 및 전도성 와이어를 갖는 예시적인 편조 메시를 도시하고 있다.
도 10은 치료 부위에 인접한 바스켓 조립체의 위치의 예시적인 개략도이다.
도 11은 전극의 예시적인 동작 모드의 개략도이다.
도 12는 전극의 다른 예시적인 동작 모드의 개략도이다.
도 13a는 카테터의 원위 팁 상의 전극의 공간 패턴의 예이다.
도 13b는 카테터의 원위 팁 상의 전극의 공간 패턴의 다른 예이다.
도 14는 이미 하이브리드 동작 모드로 전환된 전극의 가능한 레이아웃의 도면이다.
도 15a는 전극의 예시적인 패턴을 도시하고 있다.
도 15b는 전극의 다른 예시적인 패턴을 도시하고 있다.
도 15c는 전극의 다른 예시적인 패턴을 도시하고 있다.
도 16은 예시적인 펄스 필드 절제 프로토콜의 부분을 도시하고 있다.
도 17a는 0 V와는 상이한 전압을 갖는 펄스간 일시 정지의 예를 도시하고 있다.
도 17b는 상이한 2상 펄스의 예를 도시하고 있다.
도 18은 단자 조립체의 일 예의 도면이다.
도 19는 예시적인 단자 조립체의 다른 도면을 도시하고 있다.
도 20은 그 교차점에서 함께 결합된 필라멘트의 예를 도시하고 있다.
도 21은 병합된 구조체 및 리빙 힌지를 갖는 바스켓 조립체의 원위 부분의 도면이다.
Claims (32)
- 펄스 필드 절제를 위한 절제 디바이스이며,
근위 단부, 원위 단부, 및 그 사이에서 연장하는 루멘을 갖는 외부 세장형 샤프트, 및 근위 단부 및 원위 단부를 갖는 내부 세장형 샤프트를 포함하는 카테터;
근위 단부, 근위 부분, 원위 단부, 및 원위 부분을 갖는 팽창형 바스켓으로서, 팽창형 바스켓의 근위 단부는 외부 세장형 샤프트의 원위 단부에 인접하게 고정되고, 팽창형 바스켓의 원위 단부는 내부 세장형 샤프트의 원위 단부에 인접하게 고정되고, 팽창형 바스켓은 접힘 구성과 적어도 하나의 팽창 구성을 갖는, 팽창형 바스켓;
팽창형 바스켓 상에 형성된 전극의 세트;
전기 펄스를 발생하기 위해 적합한, 전극의 세트에 전기적으로 연결된 펄스 발생기를 포함하고;
팽창형 바스켓은 복수의 필라멘트를 포함하는 편조 메시로 형성되고, 필라멘트는 비전도성 재료로 제조되고, 필라멘트의 적어도 일부는 루멘을 포함하고, 필라멘트는 전극 및 복수의 전도성 와이어를 더 포함하고, 전도성 와이어 중 적어도 하나는 필라멘트 중 적어도 하나의 루멘 내부에 적어도 부분적으로 위치되고, 전극 중 적어도 하나에 전기적으로 연결되는, 절제 디바이스. - 제1항에 있어서, 디바이스는 펄스 필드 절제 디바이스인, 절제 디바이스.
- 제1항에 있어서, 카테터는 펄스 필드 절제를 위해 구성되는, 절제 디바이스.
- 제2항에 있어서, 펄스 필드 절제 디바이스는 환자의 심장에 사용을 위해 구성되는, 절제 디바이스.
- 제4항에 있어서, 펄스 필드 절제 디바이스는 폐정맥 격리를 위해 구성되는, 절제 디바이스.
- 제1항에 있어서, 필라멘트는 열가소성 엘라스토머 또는 폴리머 중 적어도 하나로부터 제조되는, 절제 디바이스.
- 제6항에 있어서, 필라멘트 중 적어도 하나는 필라멘트의 루멘 내에 배치된 기계적 지지부에 의해 보강되는, 절제 디바이스.
- 제7항에 있어서, 기계적 지지부는 지주인, 절제 디바이스.
- 제6항에 있어서, 필라멘트 중 적어도 하나는 필라멘트의 구조체가 필라멘트의 나머지보다 국소적으로 기계적으로 더 취약한 적어도 하나의 장소를 포함하는, 절제 디바이스.
- 제9항에 있어서, 국소적으로 더 취약한 장소는 리빙 힌지를 생성하는, 절제 디바이스.
- 제1항에 있어서, 필라멘트의 2개 이상은 팽창형 바스켓의 원위 또는 근위 부분 중 적어도 하나에서 함께 병합되어 적어도 하나의 병합된 구조체를 생성하는, 절제 디바이스.
- 제11항에 있어서, 필라멘트의 원위 또는 근위 부분 중 적어도 하나 내의 병합된 구조체는 필라멘트 전체 길이의 1% 내지 30%를 점유하는, 절제 디바이스.
- 제11항에 있어서, 병합된 구조체 중 적어도 하나는 병합된 구조체가 병합된 구조체의 나머지보다 국소적으로 기계적으로 더 취약한 적어도 하나의 장소를 포함하는, 절제 디바이스.
- 제13항에 있어서, 국소적으로 더 취약한 장소는 리빙 힌지를 생성하는, 절제 디바이스.
- 펄스 필드 절제용 카테터이며,
근위 단부, 원위 단부, 및 그 사이에서 연장하는 루멘을 갖는 외부 세장형 샤프트, 및 근위 단부 및 원위 단부를 갖는 내부 세장형 샤프트;
근위 단부, 근위 부분, 원위 단부, 및 원위 부분을 갖는 팽창형 바스켓으로서, 팽창형 바스켓의 근위 단부는 외부 세장형 샤프트의 원위 단부에 인접하게 고정되고, 팽창형 바스켓의 원위 단부는 내부 세장형 샤프트의 원위 단부에 인접하게 고정되고, 팽창형 바스켓은 접힘 구성과 적어도 하나의 팽창 구성을 갖는, 팽창형 바스켓;
팽창형 바스켓 상에 형성된 전극의 세트;
전기 펄스를 발생하기 위해 적합한 펄스 발생기로서, 펄스 발생기는 전극의 세트에 전기적으로 연결되는, 펄스 발생기를 포함하고;
팽창형 바스켓은 복수의 필라멘트를 포함하는 편조 메시로 형성되고, 복수의 필라멘트는 비전도성 재료로 제조되고, 복수의 필라멘트 중 각각의 필라멘트의 적어도 일부는 루멘을 포함하고, 복수의 필라멘트는 전극 및 복수의 전도성 와이어를 더 포함하고, 복수의 전도성 와이어는 복수의 필라멘트의 루멘 내부에 적어도 부분적으로 위치되고, 전극에 전기적으로 연결되는, 카테터. - 제15항에 있어서, 카테터는 환자의 심장 내에 사용을 위해 구성되는, 카테터.
- 제16항에 있어서, 카테터는 폐정맥 격리를 위해 구성되는, 카테터.
- 제15항에 있어서, 카테터는 고주파수 전기 펄스의 전달을 위해 구성되는, 카테터.
- 제15항에 있어서, 복수의 필라멘트는 열가소성 엘라스토머 또는 폴리머 중 적어도 하나로부터 제조되는, 카테터.
- 제19항에 있어서, 복수의 필라멘트 중 적어도 하나의 필라멘트는 필라멘트의 루멘 내에 배치된 기계적 지지부에 의해 보강되는, 카테터.
- 제20항에 있어서, 기계적 지지부는 지주인, 카테터.
- 제19항에 있어서, 복수의 필라멘트 중 적어도 하나의 필라멘트는 필라멘트의 구조체가 필라멘트의 나머지보다 국소적으로 기계적으로 더 취약한 적어도 하나의 장소를 포함하는, 카테터.
- 제22항에 있어서, 국소적으로 더 취약한 장소는 리빙 힌지를 생성하는, 카테터.
- 제15항에 있어서, 복수의 필라멘트의 2개 이상의 필라멘트는 팽창형 바스켓의 원위 또는 근위 부분 중 적어도 하나에서 함께 병합되어 적어도 하나의 병합된 구조체를 생성하는, 카테터.
- 제24항에 있어서, 팽창형 바스켓의 원위 또는 근위 부분 중 적어도 하나 내의 병합된 구조체 중 적어도 하나는 2개 이상의 필라멘트의 전체 길이의 1% 내지 30%를 점유하는, 카테터.
- 제24항에 있어서, 병합된 구조체 중 적어도 하나는 병합된 구조체가 병합된 구조체의 나머지보다 국소적으로 기계적으로 더 취약한 적어도 하나의 장소를 포함하는, 카테터.
- 제26항에 있어서, 국소적으로 더 취약한 장소는 리빙 힌지를 생성하는, 카테터.
- 절제 방법이며,
근위 단부, 원위 단부, 및 그 사이에서 연장하는 루멘을 갖는 외부 세장형 샤프트, 및 근위 단부 및 원위 단부를 갖는 내부 세장형 샤프트를 포함하는 카테터, 근위 단부, 근위 부분, 원위 단부, 및 원위 부분을 갖는 팽창형 바스켓으로서, 팽창형 바스켓의 근위 단부는 외부 세장형 샤프트의 원위 단부에 인접하게 고정되고, 팽창형 바스켓의 원위 단부는 내부 세장형 샤프트의 원위 단부에 인접하게 고정되고, 팽창형 바스켓은 접힘 구성과 적어도 하나의 팽창 구성을 갖는, 팽창형 바스켓, 팽창형 바스켓 상에 형성된 전극의 세트, 전기 펄스를 발생하기 위해 적합한 펄스 발생기를 포함하고, 펄스 발생기는 전극의 세트에 전기적으로 연결되고, 팽창형 바스켓은 복수의 필라멘트를 포함하는 편조 메시로 형성되고, 필라멘트는 비전도성 재료로 제조되고, 복수의 필라멘트의 각각의 필라멘트의 적어도 일부는 루멘을 포함하고, 복수의 필라멘트는 전극 및 복수의 전도성 와이어를 더 포함하고, 전도성 와이어는 필라멘트 중 복수의 필라멘트의 루멘 내부에 적어도 부분적으로 위치되고 전극에 전기적으로 연결되는 펄스 필드 절제 디바이스를 제공하는 단계;
치료 부위에 인접한 카테터의 바스켓 조립체를 전달하는 단계;
팽창형 바스켓을 접힘 구성으로부터 적어도 하나의 팽창 구성으로 전개하는 단계;
팽창된 팽창형 바스켓을 갖는 바스켓 조립체를 치료 부위의 표적 조직에 인접하게 배치하는 단계; 및
치료 부위의 표적 조직을 절제하는 단계를 포함하는, 방법. - 제28항에 있어서, 치료 부위는 심장의 좌심방에 있는, 방법.
- 제29항에 있어서, 치료 부위는 폐정맥 구멍을 포함하는, 방법.
- 제28항에 있어서, 치료 부위의 표적 조직의 절제는 펄스 전자기장에 의해 야기된 펄스 필드 절제 방법을 사용하는, 방법.
- 제28항에 있어서, 바스켓 조립체 상에 배치된 전극의 세트의 적어도 일부는 치료 부위에 인접하게 유도되는, 방법.
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CN113974823B (zh) | 2021-12-23 | 2022-04-19 | 杭州德诺电生理医疗科技有限公司 | 消融装置 |
CN114469327B (zh) | 2021-12-24 | 2024-02-27 | 上海科罡医疗技术有限公司 | 一种消融导管及其消融治疗方法 |
CN114305660B (zh) | 2021-12-31 | 2024-06-11 | 杭州德诺电生理医疗科技有限公司 | 脉冲消融导管及脉冲消融装置 |
CN114404035B (zh) | 2022-01-21 | 2024-08-16 | 杭州德诺电生理医疗科技有限公司 | 消融装置 |
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US11786300B2 (en) | 2023-10-17 |
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AU2024202538A1 (en) | 2024-05-09 |
WO2022214870A1 (en) | 2022-10-13 |
JP2024509644A (ja) | 2024-03-04 |
CA3214189A1 (en) | 2022-10-13 |
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US20250169879A1 (en) | 2025-05-29 |
CR20230475A (es) | 2024-01-19 |
AU2022254861B2 (en) | 2024-01-18 |
US20230338084A1 (en) | 2023-10-26 |
IL307390B1 (en) | 2024-10-01 |
BR112023020624A2 (pt) | 2023-12-05 |
US20240081902A1 (en) | 2024-03-14 |
US11832785B2 (en) | 2023-12-05 |
US20230000550A1 (en) | 2023-01-05 |
US20250057593A1 (en) | 2025-02-20 |
EP4319673A1 (en) | 2024-02-14 |
AU2024202538B2 (en) | 2025-04-03 |
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