KR102708262B1 - 조종가능한 루멘 내 의료 기기 - Google Patents
조종가능한 루멘 내 의료 기기 Download PDFInfo
- Publication number
- KR102708262B1 KR102708262B1 KR1020227043744A KR20227043744A KR102708262B1 KR 102708262 B1 KR102708262 B1 KR 102708262B1 KR 1020227043744 A KR1020227043744 A KR 1020227043744A KR 20227043744 A KR20227043744 A KR 20227043744A KR 102708262 B1 KR102708262 B1 KR 102708262B1
- Authority
- KR
- South Korea
- Prior art keywords
- medical device
- polymer electrolyte
- electrolyte layer
- electrodes
- carbon
- Prior art date
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Classifications
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- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
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- A61M25/0158—Tip steering devices with magnetic or electrical means, e.g. by using piezo materials, electroactive polymers, magnetic materials or by heating of shape memory materials
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
Description
도 2 는 도 1 의 의료 기기의 실시형태의 작동부의 원위 말단에 배치된 굽힘가능 부분 및 세장형의, 가요성 부분의 사시도이다.
도 3 은 굽힘 모드를 도시한 도 2 의 작동부의 원위 말단에서의 원위의, 굽힘가능 부분의 사시도이다.
도 4a 는 폴리머 전해질 층 둘레에 분배된 4 개의 각도상 분배된 전극들에 적용된 제 1 선택된 세트의 4 개의 전기 신호들을 보여주는 도 2 및 도 3 의 굽힘가능 부분의 원위 말단의 횡단면도이다. 화살표는 4 개의 개별 전극들에 도시된 세트의 전기 신호들을 적용함으로써 발생된 굽힘 방향을 나타낸다.
도 4b 는 폴리머 전해질 층에 대해 배치되는 각도상 분배된 전극들에 적용된 제 2 선택된 세트의 4 개의 전기 신호들을 드러내는 도 4a 의 굽힘가능 부분의 원위 말단의 횡단면도이다. 화살표는 4 개의 개별 전극들에 도시된 전기 신호들을 적용함으로써 발생된 굽힘 방향을 나타낸다.
도 5 는 종방향 및 원주 방향으로 모두 분리된 복수의 개별 전극들을 가지는 일 실시형태의 의료 기기의 작동부의 세장형의, 가요성 부분 및 굽힘가능 부분의 대안적 실시형태의 사시도이다. 각각의 개별 전극은 전기 신호를 전극에 제공하는 도전성 도관에 연결된다.
도 6 은 도 1 내지 도 4b 의 의료 기기의 실시형태를 사용 및 제어하는데 사용되는 시스템들 및 구성요소들을 개략적으로 도시한 블록도이다.
도 7 은, 원위의, 굽힘가능 부분 및 세장형의, 가요성 부분을 포함하는, 의료 기기의 실시형태의 연장가능하고 조종가능한 작동부의 원위 말단의 종단면도이다.
도 8a 는 도 1 의 의료 기기의 실시형태의 케이스의 상부 케이스 부분의 사시도이고, 상기 케이스의 상부 케이스 부분은 내부에 배치된 구성요소들을 더 잘 드러내기 위해서 점선들로 나타낸다.
도 8b 는 도 1 의 의료 기기의 실시형태의 케이스의 하부 케이스 부분의 사시도이고, 상기 케이스의 하부 케이스 부분은 내부에 배치된 구성요소들을 더 잘 드러내기 위해서 점선들로 나타낸다.
도 9 는 도 8a 및 도 8b 의 상부 케이스 부분과 하부 케이스 부분을 조립하여 제공된 의료 기기의 실시형태의 입면 단면도이다. 의료 기기는 주 제어기와 무선 통신한다.
도 10 은 도 7a, 도 7b 및 도 8 에 도시된 의료 기기의 실시형태를 사용하여 수술을 수행하는 방법의 단계들을 보여주는 흐름도이다.
도 11 은 의료 기기의 실시형태의 작동부의 원위 말단에서 굽힘가능 부분에 굽힘을 부여하는 방법을 보여주는 흐름도이다.
도 12 는 작동부 및 케이스를 포함하는 의료 기기의 대안적 실시형태를 위한 제어 시스템 구조를 도시한 도 6 의 블록도의 변형예이다.
도 13 은 의료 기기의 실시형태의 작동부의 굽힘가능 부분의 폴리머 전해질 층을 포위하도록 다른 전극들과 배치된 전극에 적용된 전기 신호의 시간의 경과에 따른 변화를 도시한 그래프이다.
도 14 는 의료 기기의 실시형태의 작동부의 굽힘가능 부분의 폴리머 전해질 층으로 형성된 리세스들에서 개별 전극들의 대안적 분배를 도시한 횡단면도이다.
도 15 는 의료 기기의 작동부의 굽힘가능 부분에 대한 대안적 구성의 횡단면도이다.
도 16 은 의료 기기의 실시형태의 성능을 모니터링하는데 센싱 부재를 사용하고 의료 기기의 실시형태의 성능에 대한 외력의 영향을 결정하는 방법을 도시하는 흐름도이다.
도 17 은 의료 기기의 작동부를 제어가능하게 전진 및 인출하기 위한 의료 기기의 케이스 부분의 대안 실시형태를 도시한다.
도 18 은 내부의 구성요소들의 위치들을 드러내기 위해서 가이드 배럴이 제거된 대안적 케이스의 사시도이다.
도 19 는 의료 기기의 이 실시형태의 작동부의 구성요소들의 세부들을 드러내기 위해서 외부 부재의 섹션이 제거된 의료 기기의 작동부의 세장형의, 가요성 부분의 사시도이다.
도 20 은 의료 기기의 작동부의 세장형의, 가요성 부분의 실시형태의 횡단면도이다. 세장형의, 가요성 부분은 도전성 도관들 및 금속 보강 메시 또는 브레이드를 포함할 수도 있다.
도 21 은, 도전성 도관들 각각이 루멘 구조 내에 매립되고 각각의 도전성 도관 및 그것의 루멘 구조가 함께 외부 부재의 재료 내에 둘러싸여 있는 의료 기기의 작동부의 세장형의, 가요성 부분의 대안적 실시형태의 횡단면도이다.
도 22 는, 도전성 도관들 각각이 외부 부재에 의해 포위되는 단일, 관형 절연 부재 내에 둘러싸여 전기적으로 절연되는 의료 기기의 작동부의 세장형의, 가요성 부분의 대안적 실시형태의 횡단면도이다.
도 23 은 작동부 및 케이스를 포함하는 의료 기기의 대안적 실시형태를 위한 제어 시스템을 도시한 도 6 및 도 12 의 블록도들의 변형예이다.
도 24 는 의료 기기의 세장형의, 가요성 부분의 내부 부재의 외부면에 부착된 4 개의 도전성 도관들의 배치를 보여주는 도 5 의 일부분의 확대도이다.
도 25 는 의료 기기의 대안적 실시형태의 작동부의 굽힘가능 부분에 포함되는 이온성 전기 활성 폴리머 액추에이터의 확대 사시도이다.
도 26 은, 스프링 부재가, 반경방향으로 압축된 구성에서, 루멘 내 장애물에 인접하여 스프링 요소를 배치하도록 작동부의 보어를 통하여 전진된 중심 와이어에 결합된 의료 기기의 실시형태의 작동부의 원위 말단의 도면이다.
도 27 은, 작동부 및 중심 와이어로 제거하기 위한 장애물을 팽창하여 그리핑하도록, 중심 와이어를 고정 상태로 유지하면서 작동부의 보어의 인출에 의해 얻어진, 팽창된 구성의 스프링 부재의 도면이다.
도 28 은 도 26 및 도 27 에 의해 도시된 방법을 구현하는데 사용될 수 있는 스프링 부재의 대안적 실시형태이다.
도 29 는 도 1 의 의료 기기의 다른 실시형태의 작동부의 원위 말단에 배치된 굽힘가능 부분 및 세장형의, 가요성 부분의 사시도이다.
도 30 은 굽힘 모드를 보여주는 도 29 의 작동부의 원위 말단에서의 원위의, 굽힘가능 부분의 사시도이다.
Claims (7)
- 의료 기기용 이온성 전기 활성 폴리머 액추에이터의 제조 방법으로서,
외벽을 갖는 관형 폴리머 전해질 층을 제공하는 단계;
탄소 기반 전도성 분말과 휘발성 용매의 혼합물을 제공하는 단계;
근위 말단 및 원위 말단을 각각 가지는, 복수의 전도성 도관들을 제공하는 단계;
탄소 기반 전도성 분말과 휘발성 용매의 혼합물을 상기 폴리머 전해질 층의 상기 외벽에만 도포하여 탄소 전극 층을 형성하는 단계;
각각의 도전성 도관의 상기 원위 말단을 상기 탄소 전극 층에 접촉하는 단계;
열 수축 튜브를 제공하는 단계;
상기 폴리머 전해질 층과 그 위의 상기 탄소 전극 층을 상기 열 수축 튜브로 커버하는 단계;
상기 이온성 전기 활성 폴리머 액추에이터를 형성시키기 위해서 상기 폴리머 전해질 층과 상기 탄소 전극 층을 열적으로 결합하여 상기 폴리머 전해질 층의 리플로우를 유발하도록 상기 열 수축 튜브를 가열하는 단계로, 균일한 탄소 전극 층을 형성하기 위한 상기 리플로우에 의해 상기 탄소 전극 층이 균질화되는 단계; 및
상기 열 수축 튜브를 제거하고, 상기 폴리머 전해질 층의 상기 외벽에만 위치하는 상기 균일한 탄소 전극 층 및 상기 폴리머 전해질 층을 균등하게 분할하는 단계;
를 포함하는 의료 기기용 이온성 전기 활성 폴리머 액추에이터의 제조 방법. - 제 1 항에 있어서,
상기 폴리머 전해질 층은 전해질로 추가로 함침되고, 상기 폴리머 전해질 층의 상기 전해질은 1-에틸-3-메틸이미다졸리움 테트라플루오로보레이트 (EMI-BF4), 1-에틸-3-메틸이미다졸리움 비스(트리플루오로메틸술포닐)이미드 (EMI-TFSI), 또는 이들의 조합물을 포함하는, 의료 기기용 이온성 전기 활성 폴리머 액추에이터의 제조 방법. - 제 1 항에 있어서,
상기 탄소 전극 층의 일부분은 하나 이상의 금속 층들로 추가로 커버되는, 의료 기기용 이온성 전기 활성 폴리머 액추에이터의 제조 방법. - 제 1 항에 있어서,
상기 열 수축 튜브를 가열 후, 상기 탄소 전극 층은 기계적 제거를 포함하는 미세 가공 공정에 의해 여러 개의 전극으로 나누어지는, 의료 기기용 이온성 전기 활성 폴리머 액추에이터의 제조 방법. - 제 1 항에 있어서,
상기 탄소 기반 전도성 분말은 카바이드 유래 탄소, 탄소 나노튜브들, 탄소 에어로겔들, 그래핀, 또는 이들의 조합물을 포함하는, 의료 기기용 이온성 전기 활성 폴리머 액추에이터의 제조 방법. - 제 1 항에 있어서,
상기 탄소 기반 전도성 분말은 전이 금속 분말, 금속 분말, 또는 이들의 조합물을 포함하는, 의료 기기용 이온성 전기 활성 폴리머 액추에이터의 제조 방법. - 제 1 항에 있어서,
상기 혼합물은 브러시 코팅 또는 스프레이 코팅을 사용해 상기 폴리머 전해질 층의 상기 외벽에 도포되는, 의료 기기용 이온성 전기 활성 폴리머 액추에이터의 제조 방법.
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