KR20170028319A - 미주 신경 자극 시스템 및 방법 - Google Patents
미주 신경 자극 시스템 및 방법 Download PDFInfo
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- KR20170028319A KR20170028319A KR1020167035893A KR20167035893A KR20170028319A KR 20170028319 A KR20170028319 A KR 20170028319A KR 1020167035893 A KR1020167035893 A KR 1020167035893A KR 20167035893 A KR20167035893 A KR 20167035893A KR 20170028319 A KR20170028319 A KR 20170028319A
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Abstract
Description
도 1a는 미주 신경의 전기 자극술에 의해 변경될 수 있는 환자의 신경계내 구조들을 도시한다.
도 1b는 미주 신경의 전기 자극술에 의해 변경될 수 있는 뇌 (휴지 상태 네트워크들)내 기능 네트워크들을 도시한다.
도 1c는 뇌졸중(stroke) 환자의 움직임들에 책임이 있는 서브컴포넌트들, 뿐만 아니라 해당 컴포넌트들간의 상호 접속들을 도시한다.
도 1d는 도 1c에 도시된 서브컴포넌트들간의 상호접속들이 뇌졸중 환자에게 어떻게 변화되었는지를 뇌졸중 이전에 상호 접속들에 비교하여 보여준다.
도 2a는 자기 자극기 코일로 제어되는 전기 전류의 펄스들을 공급하는 본 발명에 따른 대표적인 신경 조절 디바이스의 개략도이다.
도 2b는 표면 전극들로 전기 전류를 공급하는 본 발명에 따른 신경 조절 디바이스의 다른 실시예의 개략도이다.
도 2c는 본 발명에 따른 대표적인 전기 전압/전류 프로파일을 예시한다.
도 2d는 신경에 인가되는 임펄스들을 조절 및/또는 자극하기 위한 대표적인 파형(waveform)을 예시한다.
도 2e는 신경에 인가되는 임펄스들을 조절 및/또는 자극하기 위한 다른 대표적인 파형을 예시한다.
도 3a는 본 발명의 일 실시예에 따른 듀얼-토로이드 자기 자극기 코일의 상부 사시도이다.
도 3b는 도 3a의 자기 자극기 코일의 바닥의 사시도이다.
도 3c는 도 3a의 자기 자극기 코일의 단면도이다.
도 3d는 도 3a의 자기 자극기 코일의 다른 단면도이다.
도 3e는 디바이스의 임펄스 제너레이터, 제어 유닛, 및 전원을 수용하는 박스에 케이블을 통하여 부착된 도면들 3a-3d의 자기 자극기 코일을 예시한다.
도 4a는 본 발명의 다른 실시예에 따른 듀얼-전극 자극기의 사시도이다.
도 4b는 도 4a의 듀얼-전극 자극기의 단면도이다.
도 4c는 도 4a의 듀얼-전극 자극기의 전극 어셈블리들 중 하나의 분해도이다.
도 4d는 도 4c의 전극 어셈블리의 단면도이다.
도 5a는 도 4a의 듀얼-전극 자극기의 대안 실시예의 상부 사시도이다.
도 5b는 도 5a의 듀얼-전극 자극기의 바닥의 사시도이다.
도 5c는 도 5a의 듀얼-전극 자극기의 단면도이다.
도 5d는 도 5의 듀얼-전극 자극기의 다른 단면도이다.
도 6a는 성인 환자의 목에 오른쪽 미주 신경을 자극하기 위해 사용될 때 본 발명의 일 실시예에 따른 자극기의 근사 위치를 예시한다.
도 6b는 아이의 자극을 위한 근사 위치를 예시한다.
도 7 은 환자의 목에 미주 신경을 자극하기 위해 위치될 때 본 발명의 일 실시예에 따른 자극기의 하우징을 예시하고, 자극기는 식별된 해부의 구조들의 부근에 목 표면에 인가된다.
도 8 은 본 발명에 따른 제어되는 시스템과 제어기사이의 연결들, 그것들의 입력 및 출력 신호들, 및 환경으로부터 외부 신호들을 예시한다.
도 9a는 저대역 통과 필터의 출력을 플롯을 도시한다.
도 9b는 수동 저대역 통과 필터를 구현하기 위해 사용되는 회로를 예시한다.
도 9c는 능동 저대역 통과 필터를 구현하기 위해 사용되는 회로를 예시한다.
Claims (22)
- 환자의 신체내 하나 이상의 신경들을 조절하기 위한 디바이스에 있어서,
환자의 외부 피부 표면과 접촉하도록 구성된 전기적 전도성 인터페이스와 내부를 갖는 인클로서(enclosure)를 포함하는 핸드헬드 디바이스;
상기 인클로저의 내부 안에 수용된 에너지 소스;
상기 에너지의 소스에 결합되고 상기 인클로서 안에 수용된 신호 제너레이터로서, 상기 신호 제너레이터는 상기 외부 피부 표면 아래 타겟 영역에 신경으로 상기 환자의 외부 피부 표면을 통하여 경피성으로 상기 인클로저의 상기 전기적 전도성 인터페이스를 통하여 전기 임펄스를 인가하도록 구성된 상기 신호 제너레이터; 및
상기 신호 제너레이터를 상기 전기적 전도성 인터페이스와 전기적으로 결합시키고 상기 인클로서 안에 수용되는 필터, 상기 필터는 상기 전기 임펄스로부터 고 주파수 성분들을 여과시키도록 구성된, 상기 필터를 포함하는, 디바이스. - 청구항 1에 있어서, 상기 필터는 상기 신호 제너레이터와 상기 전기적 전도성 인터페이스 사이에 상기 인클로저 안에 수용된 전기적 전도성 유동체를 포함하는, 디바이스.
- 청구항 2에 있어서, 상기 전기적 전도성 유동체는 전도성 겔을 포함하는, 디바이스.
- 청구항 1에 있어서, 상기 필터는 상기 신호 제너레이터와 상기 전기적 전도성 인터페이스 사이에 전기적으로 결합된 저대역 통과 필터를 포함하는, 디바이스.
- 청구항 4에 있어서, 상기 저대역 통과 필터는 아날로그 필터, 디지털 필터, 능동 필터, 또는 수동 필터인, 디바이스.
- 청구항 1에 있어서, 상기 저대역 통과 필터는 (i) 상기 전기적 전도성 인터페이스와 직렬인 저항기, 및 상기 전기적 전도성 인터페이스와 병렬인 커패시터, (ii) 저항기-인덕터 저대역 통과 필터, 또는 (iii) R-L-C 필터를 포함하는, 디바이스.
- 청구항 1 내지 6 중 어느 한 항에 있어서, 상기 전기적 전도성 인터페이스는 전극들로서 기능하는 제 1 및 제 2 전기적 전도성 멤브레인들을 포함하거나 또는 상기 제 1 및 제 2 전기적 전도성 멤브레인들로 구성되는, 디바이스.
- 청구항 1 내지 7 중 어느 한 항에 있어서, 상기 전기 임펄스는 상기 타겟 영역내 신경을 조절(modulate)하기에 충분하고 상기 외부 피부 표면 부근에 신경(들)을 실질적으로 조절하기에 불충분한, 디바이스.
- 청구항 1 내지 8 중 어느 한 항에 있어서, 상기 에너지의 소스는 사일런트(silent) 버스트간(inter-burst) 기간들을 갖는 정현파의 펄스들의 버스트들을 포함하는 전기장을 생성하도록 구성되어 각각의 버스트는 (i) 약 5 Hz 내지 약 100 Hz, 또는 (ii) 약 10 Hz 내지 약 35 Hz의 주파수를 갖는, 디바이스.
- 청구항 9에 있어서, 상기 정현파의 펄스들은 (i) 약 1 KHz 내지 약 20 KHz, 또는 (ii) 약 1 KHz 내지 약 10 KHz, 또는 (iii) 약 5 KHz의 주파수를 갖는, 디바이스.
- 청구항 1 내지 11 중 어느 한 항에 있어서, 상기 전기적 전도성 인터페이스는 스테인리스 스틸(stainless steel) 을 포함하는, 디바이스.
- 환자의 신체내 하나 이상의 신경들을 조절하기 위한 디바이스에 있어서,
환자의 외부 피부 표면과 접촉하도록 구성된 하나이상의 전극들과 내부를 갖는 인클로서(enclosure)를 포함하는 핸드헬드 디바이스;
상기 인클로저의 내부 안쪽에 수용된 에너지 소스;
상기 에너지의 소스에 결합되고 상기 인클로서 안에 수용된 신호 제너레이터로서, 상기 신호 제너레이터는 상기 외부 피부 표면 아래 타겟 영역에 신경으로 상기 환자의 외부 피부 표면을 통하여 경피성으로 상기 전극들을 통하여 전기 임펄스를 인가하도록 구성된, 상기 신호 제너레이터; 및
상기 신호 제너레이터를 상기 전기적 전도성 인터페이스와 전기적으로 결합시키고 상기 인클로서 안에 수용되는 필터로서, 상기 필터는 상기 전기 임펄스로부터 고 주파수 성분들을 여과시키도록 구성된, 상기 필터를 포함하는, 디바이스. - 청구항 12에 있어서, 상기 필터는 상기 신호 제너레이터와 상기 하나 이상의 전극들 사이에 상기 인클로저 안에 수용된 전기적 전도성 유동체를 포함하는, 디바이스.
- 청구항 13에 있어서, 상기 전기적 전도성 유동체는 전도성 겔을 포함하는, 디바이스.
- 청구항 12에 있어서, 상기 필터는 상기 신호 제너레이터와 상기 하나 이상의 전극들 사이에 전기적으로 결합된 저대역 통과 필터를 포함하는, 디바이스.
- 청구항15에 있어서, 상기 저대역 통과 필터는 아날로그 필터, 디지털 필터, 능동 필터, 또는 수동 필터인, 디바이스.
- 청구항 12에 있어서, 상기 저대역 통과 필터는 (i) 상기 하나 이상의 전극들과 직렬인 저항기, 및 상기 하나 이상의 전극들과 병렬인 커패시터, (ii) 저항기-인덕터 저대역 통과 필터, 또는 (iii) R-L-C 필터를 포함하는, 디바이스.
- 청구항 12 내지 17 중 어느 한 항에 있어서, 상기 하나 이상의 전극들은 전극들로서 기능하는 제 1 및 제 2 전기적 전도성 멤브레인들을 포함하거나 또는 상기 제 1 및 제 2 전기적 전도성 멤브레인들로 구성되는, 디바이스.
- 청구항 12 내지 18 중 어느 한 항에 있어서, 상기 전기 임펄스는 상기 타겟 영역내 신경을 조절(modulate)하기에 충분하고 상기 외부 피부 표면 부근에 신경(들)을 실질적으로 조절하기에 불충분한, 디바이스.
- 청구항 12 내지 19 중 어느 한 항에 있어서, 상기 에너지의 소스는 사일런트(silent) 버스트간(inter-burst) 기간들을 갖는 정현파의 펄스들의 버스트들을 포함하는 전기장을 생성하도록 구성되어 각각의 버스트는 (i) 약 5 Hz 내지 약 100 Hz, 또는 (ii) 약 10 Hz 내지 약 35 Hz의 주파수를 갖는, 디바이스.
- 청구항 20에 있어서, 상기 정현파의 펄스들은 (i) 약 1 KHz 내지 약 20 KHz, 또는 (ii) 약 1 KHz 내지 약 10 KHz, 또는 (iii) 약 5 KHz의 주파수를 갖는, 디바이스.
- 청구항 12 내지 21 중 어느 한 항에 있어서, 상기 하나 이상의 전극들은 스테인리스 스틸을 포함하는, 디바이스.
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US14/286,412 US9566426B2 (en) | 2011-08-31 | 2014-05-23 | Systems and methods for vagal nerve stimulation |
PCT/US2015/032144 WO2015179744A1 (en) | 2014-05-23 | 2015-05-22 | Systems and methods for vagal nerve stimulation |
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JP6981752B2 (ja) | 2021-12-17 |
WO2015179744A1 (en) | 2015-11-26 |
CN106794347A (zh) | 2017-05-31 |
EP3145584A1 (en) | 2017-03-29 |
EP3145584B1 (en) | 2022-02-16 |
KR102382416B1 (ko) | 2022-04-01 |
EP3145584A4 (en) | 2018-01-24 |
CN106794347B (zh) | 2020-01-17 |
JP2017519549A (ja) | 2017-07-20 |
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