KR102503779B1 - 특히 대장내시경을 위한, 내시경 가이드, 및 그러한 가이드를 포함하는 내시경 용 시스템 - Google Patents
특히 대장내시경을 위한, 내시경 가이드, 및 그러한 가이드를 포함하는 내시경 용 시스템 Download PDFInfo
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Abstract
Description
도 2는 제 1 작동 조건에서 도 1의 상기 가이드를 포함하는 내시경 시스템의 제 1 실시 예의 단면도이다.
도 3은 제 2 작동 조건에서 도 2의 시스템의 단면도이다.
도 4는 본 발명에 따른 내시경 시스템의 제 2 실시 예의 단면도이다.
2: 관형 안내 요소
3: 앵커링 헤드
4: 용기
5, 6: 강자성 물질
7: 길이 방향 공동
Claims (21)
- 근위 단부 및 원위 단부를 갖는 내시경 가이드(1, 10)에 있어서,
관형 안내 요소(2) 및 앵커링 헤드(3)를 포함하고,
상기 관형 안내 요소(2)는 길이 방향 공동(7)을 포함하고,
상기 앵커링 헤드(3)에는 자성 또는 강자성 물질(6)을 수용하기 위한 내시경 벌룬(8)이 적어도 제공되고,
상기 내시경 벌룬(8)은, 상기 내시경 벌룬(8)이 관형 안내 요소(2)의 몸체에 부착하는 수축 상태로부터 상기 내시경 벌룬(8)이 상기 관형 안내 요소(2)의 상기 몸체로부터 외측으로 돌출하는 팽창 상태로, 그리고 그 반대로, 전환하도록 팽창 및 수축 가능하고,
상기 내시경 벌룬(8)은 상기 길이 방향 공동(7)과 연통하고,
상기 내시경 가이드(1, 10)는 상기 길이 방향 공동(7)에서 이동 가능한 자성 또는 강자성 물질(6)을 더 포함하고, 상기 자성 또는 강자성 물질(6)은 상기 내시경 벌룬(8)을 채우고 비우도록 구성되고,
상기 자성 또는 강자성 물질(6)은, 액체(61), 및 상기 액체(61)에 분산된 복수 개의 자기화 가능한 몸체(62)를 포함하고,
상기 자성 또는 강자성 물질(6)은 자철석 또는 마그헤마이트의 수성 부유액 또는 자성 유체이고,
상기 자성 또는 강자성 물질(6)은 수중 산화철의 30% 내지 70% vol/vol의 부유액 또는 수중 산화철의 50% vol/vol의 부유액이고,
- 상기 관형 안내 요소(2)는 단일 내강이고, 상기 관형 안내 요소(2)의 직경은 2 mm 내지 3.5 mm이고, 상기 관형 안내 요소(2)의 상기 내강의 내부 직경은 1 mm 내지 3 mm이고,
- 상기 내시경 벌룬(8)은, 상기 내시경 벌룬(8)이 팽창되었을 때, 상기 내시경 벌룬(8)에 포함된 상기 자성 또는 강자성 물질(6)의 부피에 대응하는 20 mL 및 40 mL 사이의 부피를 갖는 내시경 가이드. - 제 1 항에 있어서,
상기 산화철은, 1 미크론 내지 500 미크론의 입자 크기, 또는 10 미크론 내지 500 미크론의 입자 크기, 또는 1 미크론 내지 200 미크론의 입자 크기, 또는 1 미크론 내지 50 미크론의 입자 크기, 또는 1 미크론 내지 20 미크론의 입자 크기를 갖는 내시경 가이드. - 제 1 항 또는 제 2 항에 있어서,
상기 자성 또는 강자성 물질(6)은 나노 입자들 및 유화제들을 포함하는 자성 유체인 내시경 가이드. - 내시경, 특히 대장 내시경을 위한 시스템에 있어서,
- 제 1 항 또는 제 2 항에 따른 내시경 가이드(1, 10); 및
- 영구 자석인 자기장 소스
를 포함하고,
상기 자기장 소스는, 적어도 5 뉴튼(N)의 견인력이 상기 내시경 가이드의 상기 근위 단부에 가해질 때, 2 센티미터 내지 10 센티미터의 거리로 5 뉴튼보다 큰 유지력을, 가로지르는 견인 방향에 대해, 상기 내시경 벌룬(8)에 포함된 상기 자성 또는 강자성 물질(6)에 가하기 위해, 50 mm 내지 80 mm의 직경 및 30 mm 내지 60 mm의 두께를 가지며 N45 자화를 갖는 영구 원반 자석에 의해 발생된 자기장과 동등한 자기장을 생성하도록 구성된 시스템. - 제 4 항에 있어서,
상기 자기장 소스는, 9 뉴튼(N)보다 더 큰, 바람직하게는 10 뉴튼(N)보다 더 큰 유지력을 상기 내시경 벌룬(8)에 포함된 상기 자성 또는 강자성 물질(6)에 가하도록 구성된 시스템. - 제 4 항에 있어서,
상기 자기장 소스는, 소결 네오디뮴, 소결 페라이트 또는 플라스토네오디뮴의 영구 자석인 시스템. - 내시경 키트에 있어서,
제 1 항 또는 제 2 항의 내시경 가이드(1, 10), 및
정해진 양의 상기 자성 또는 강자성 물질(6)의 용기
를 포함하고,
선택적으로 카테터를 포함하고,
선택적으로 자기장 소스를 포함하는 핸드피스를 포함하고,
선택적으로 상기 내시경 가이드(1, 10)에 연결 가능하고 상기 자성 또는 강자성 물질(6)을 상기 내시경 가이드(1, 10) 안으로 도입하도록 구성된 취입기를 포함하는 내시경 키트. - 제 7 항에 있어서,
상기 내시경 키트는 취입기를 포함하고, 상기 취입기는 15 mL 내지 200 mL 범위의 부피로 상기 자성 또는 강자성 물질(6)의 부유액으로 미리 적재된 내시경 키트. - 삭제
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IT102017000002740A IT201700002740A1 (it) | 2017-01-12 | 2017-01-12 | Manipolo magnetico per endoscopia e sistema per endoscopia comprendente detto manipolo. |
IT102017000002679A IT201700002679A1 (it) | 2017-01-12 | 2017-01-12 | Guida endoscopica per cateteri o endoscopi e sistema per endoscopia comprendente detta guida. |
PCT/IB2018/050164 WO2018130956A1 (en) | 2017-01-12 | 2018-01-11 | Endoscopic guide, in particular for colonoscopy, and system for endoscopy comprising such a guide |
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CN115025372B (zh) * | 2021-03-03 | 2023-07-25 | 郝畅 | 一种麻醉科专用漂浮导管 |
BR112023024626A2 (pt) * | 2021-05-27 | 2024-02-20 | Becton Dickinson Co | Método de reposicionamento da ponta distal do cateter e sistemas relacionados |
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WO2018130956A8 (en) | 2019-06-13 |
EP3399901A1 (en) | 2018-11-14 |
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RU2019120263A (ru) | 2020-12-28 |
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