KR20180029263A - 가변성 프로파일 팁을 가진 내시경 - Google Patents
가변성 프로파일 팁을 가진 내시경 Download PDFInfo
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- KR20180029263A KR20180029263A KR1020187006567A KR20187006567A KR20180029263A KR 20180029263 A KR20180029263 A KR 20180029263A KR 1020187006567 A KR1020187006567 A KR 1020187006567A KR 20187006567 A KR20187006567 A KR 20187006567A KR 20180029263 A KR20180029263 A KR 20180029263A
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- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
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- A61B1/00064—Constructional details of the endoscope body
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- A61B1/00112—Connection or coupling means
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- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
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- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/05—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
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- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
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- A61B1/00071—Insertion part of the endoscope body
- A61B1/00078—Insertion part of the endoscope body with stiffening means
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- A—HUMAN NECESSITIES
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- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00082—Balloons
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- A61B1/00131—Accessories for endoscopes
- A61B1/00135—Oversleeves mounted on the endoscope prior to insertion
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Abstract
Description
도 1은 이 출원에서 개요가 설명되는 원리에 따라 구성된 예시적인 내시경의 개략도이며;
도 2a는 도 1의 내시경의 확장되지 않은 구성에서 확장 가능한 팁의 사시도이며;
도 2b는 도 2a의 단면을 따라서 취해진 도 1의 확장 가능한 팁의 단면도이며;
도 2c는 비원형 카메라를 가진 내시경의 확장되지 않은 구성에서 확장 가능한 팁의 사시도이며;
도 3은 도 2a와 2b의 내시경의 외부 커버 피복 아래의 확장되지 않은 팁 구성요소들의 도면이며;
도 4는 도 1의 내시경의 확장된 구성에서 확장 가능한 팁의 도면이며;
도 5는 말단 허브 인클로저가 제거된 도 1의 결합 허브의 확대도이며;
도 6은 전체 인클로저가 제거된 도 1의 결합 허브 내부의 구성요소들의 도면이며,
도 7은 도 1의 결합 허브 내부의 인쇄회로 조립체(PCA: Printed Circuit Assembly) 기판의 도면이며,
도 8은 내시경 조명 시스템의 개략도이다.
제공된 도면들은 보여주기 위한 것이며, 이 기술은 도시된 특정한 구성에 제한되지 않는다. 서술된 기술은 도면들에 묘사되지 않은 것을 포함하는 다양한 다른 방식으로 수행될 수 있다. 본 발명의 도면들과 각도들은 기술의 속성을 명확하게 묘사하기 위해 항상 축척에 맞지는 않으며, 본 발명의 일반적인 양태들을 묘사하도록 의도되고, 서술된 기술의 폭, 범위 또는 적용 가능성을 제한하는 것으로서 고려되어는 안된다. 서술된 기술의 추가적인 특징들과 이점들은 아래의 바람직한 실시예들의 상세한 설명에서 제시되고 명확하게 될 것이다.
Claims (20)
- 전자 내시경(electronic endoscope)으로서,
허브(hub);
상기 허브로부터 연장된 샤프트;
상기 샤프트로부터 연장된 확장 가능한 말단 팁(expandable distal tip);
상기 내시경으로부터 외부의 시야(field of view)를 가지는, 상기 말단 팁 내부의 이미지 센서;
상기 이미지 센서의 시야 내부에 광을 방출하도록 구성된, 상기 말단 팁 내부의 조명 요소(illuminating element); 및
상기 말단 팁 내부의 적어도 하나의 가변성 프로파일 작업 채널(variable profile working channel);을 포함하며,
상기 작업 채널은 전체적으로 비원형의(noncircular) 단면 형상으로부터 도구의 통과를 수용하기 위한 상이한 단면 형상으로 변하도록 구성되는, 전자 내시경. - 제 1항에 있어서,
상기 확장 가능한 말단 팁은 확장 가능한 외부 커버를 포함하며, 상기 작업 채널이 상이한 단면 형상으로 변할 때 상기 말단 팁에서 전체적으로 비원형의 단면 형상으로 확장되도록 구성되는, 전자 내시경. - 제 2항에 있어서,
상기 작업 채널과 상기 확장 가능한 외부 커버는 생체적합성 탄성중합체 튜브(biocompatible elastomeric tubing)를 포함하는, 전자 내시경. - 제 2항에 있어서,
상기 작업 채널은 폴리이미드 튜브를 포함하며, 상기 확장 가능한 외부 커버는 실리콘 고무를 포함하는, 전자 내시경. - 제 1항 내지 제 6항 중 어느 한 항에 있어서,
상기 말단 팁 내부에서 전체적으로 비원형의 단면 형상을 가지며 상기 허브로부터 상기 말단 팁까지 유체를 전달하도록 구성된 수세용 채널(flushing channel)을 더 포함하며, 상기 수세용 채널은 상기 수세용 채널을 통한 유체 흐름에 응답하여 형상이 변하도록 구성되는, 전자 내시경. - 제 5항에 있어서,
상기 확장 가능한 외부 커버는, 상기 수세용 채널의 형상이 변할 때, 상기 말단 팁에서 전체적으로 비원형의 단면 형상으로 확장되도록 구성되는, 전자 내시경. - 제 1항 내지 제 6항 중 어느 항 항에 있어서,
상기 샤프트의 외경(D)은 대략 2.0mm 이하인, 전자 내시경. - 제 1항 내지 제 7항 중 어느 한 항에 있어서,
상기 작업 채널은 상기 샤프트의 외경(D)의 적어도 50%와 동일한 직경을 가진 원형의 단면 형상을 구비한 도구의 통과를 수용하기 위해 상이한 단면 형상을 취할 수 있는, 전자 내시경. - 제 8항에 있어서,
상기 작업 채널은 상기 샤프트의 외경(D)의 적어도 60%와 동일한 직경을 가진 원형의 단면 형상을 가진 도구의 통과를 수용하기 위해 상이한 단면 형상을 취할 수 있는, 전자 내시경. - 제 9항에 있어서,
상기 작업 채널은 상기 샤프트의 외경(D)의 적어도 95%와 동일한 직경을 가진 원형의 단면 형상을 가진 도구의 통과를 수용하기 위해 상이한 단면 형상을 취할 수 있는, 전자 내시경. - 말단 팁(distal tip)을 가진 일회용 내시경(single-use endoscope)으로서:
광원을 봉입한 허브 부분(hub portion); 및
상기 허브 부분으로부터 연장되며, (ⅰ) 상기 말단 팁에서 확장 가능한 외부 피복(outer sheath), (ⅱ) 상기 광원으로부터의 광을 전달하며 상기 말단 팁으로부터 조명될 대상까지 그 광을 투사하는 광 전송 시스템, (ⅲ) 상기 말단 팁의 대략 중심에 배치되며 조명된 대상의 이미지를 획득하도록 구성된 이미지 센서, 및 (ⅳ) 상기 내시경의 허브 부분으로부터 말단 팁까지 연장된 적어도 하나의 작업 채널(working channel)을 가지는 삽입 부분;을 포함하며,
상기 작업 채널은 상기 말단 팁에서, 상기 이미지 센서와 상기 확장 가능한 외부 피복 사이에 형성된 공간의 적어도 부분 내부에 맞도록 구성된 낮은-프로파일 형태(low-profile configuration)와, 도구들의 통과를 수용하기에 충분하며 도구들이 상기 말단 팁으로부터 밖으로 연장될 수 있도록 하는 단면 형상을 가진 확대된-프로파일 형태(enlarged-profile configuration)를 가지는 가변성 프로파일 부분을 가지며,
상기 가변성 프로파일 부분이 상기 도구를 수용하기 위해 확대된 형태를 위할 때, 상기 확장 가능한 외부 피복은 상기 말단 팁에서 전체적으로 비원형의 형상을 가지는, 일회용 내시경. - 제 11항에 있어서,
상기 작업 채널의 가변성 프로파일 부분은 상기 광 전송 시스템에 대한 상기 이미지 센서의 이동 없이 확대된 형태를 취하도록 구성되는, 일회용 내시경. - 제 11항 또는 제 12항에 있어서,
상기 말단 팁에서 상기 삽입 부분의 외경(D)은 대략 2.0mm 이하인, 일회용 내시경. - 제 11항 내지 제 13항 중 어느 한 항에 있어서,
상기 작업 채널의 가변성 프로파일 부분은, 상기 말단 팁에서 상기 삽입 부분의 외경(D)의 적어도 50%와 동일한 직경을 가진 원형의 단면 형상을 가진 도구의 통과를 수용하기 위해 확대된 형태를 취할 수 있는, 일회용 내시경. - 제 14항에 있어서,
상기 작업 채널의 가변성 프로파일 부분은, 상기 외경(D)의 적어도 60%와 동일한 직경을 가진 원형의 단면 형상을 가진 도구의 통과를 수용하기 위해 확대된 형태를 취할 수 있는, 일회용 내시경. - 근위 단부(proximal end), 말단부(distal end), 및 말단부에서 시야(field of view)를 가지는 내시경(endoscope)으로서, 상기 내시경은:
상기 근위 단부에 있는 또는 상기 근위 단부 가까이에 있는 허브(hub);
상기 허브로부터 상기 말단부를 향해 연장된 삽입 부분; 및
상기 삽입 부분으로부터 상기 말단부까지 연장되며 상기 시야 내부의 이미지를 획득(pick up)하도록 구성된 센서를 가지는 확장 가능한 말단 팁(distal tip);을 포함하며,
작업 채널, 수세용 루멘(flushing lumen), 광-가이드가 상기 삽입 부분 내부에서 상기 허브로부터 상기 말단부까지 연장되고,
상기 삽입 부분을 따르는 지점에서 상기 내시경의 제1 단면은 상기 수세용 루멘, 광-가이드, 전체적으로 원형의 단면의 작업 채널, 및 상기 센서로부터 상기 허브까지 연장된 케이블을 포함하며,
상기 말단 팁을 따르는 지점에서 상기 내시경의 제2 단면은 상기 센서, 작업 채널, 수세용 루멘, 및 광-가이드를 포함하고, 상기 제2 단면 내의 상기 작업 채널과 수세용 루멘은 둘 다 전체적으로 비원형의 낮은-프로파일 형태(low-profile configuration)로부터 확대된-프로파일 형태(enlarged-profile configuration)로 서로 독립적으로 변형되도록 구성되는, 내시경. - 제 16항에 있어서,
상기 확장 가능한 말단 팁은, 상기 작업 채널 또는 상기 수세용 루멘이 확대된-프로파일 형태일 때, 전체적으로 비원형의 단면 형상을 취하도록 구성된 탄성중합체 외부 피복을 포함하는, 내시경. - 제 16항 또는 제 17항에 있어서,
상기 제1 단면에서 상기 내시경의 외경(D)은 대략 2.0mm 이하인, 내시경. - 제 18항에 있어서,
상기 삽입 부분의 외경(D)에 대한 상기 확장 가능한 말단 팁을 가진 내시경 부분의 길이의 비율은 대략 4:1보다 작은, 내시경. - 제 16항 내지 제 19항 중 어느 한 항에 있어서,
상기 제2 단면에서 상기 작업 채널은 상기 삽입 부분의 외경(D)의 적어도 60%와 동일한 직경을 가진 원형의 단면 형상을 가진 도구의 통과를 수용하기 위해 확대된 형태를 취할 수 있는, 내시경.
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| EP (1) | EP3331419B1 (ko) |
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| CN (2) | CN108135445B (ko) |
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| US20170035277A1 (en) | 2017-02-09 |
| CN108135445B (zh) | 2021-10-26 |
| US20220211249A1 (en) | 2022-07-07 |
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| JP7043075B2 (ja) | 2022-03-29 |
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| US12226075B2 (en) | 2025-02-18 |
| US11141045B2 (en) | 2021-10-12 |
| US9913570B2 (en) | 2018-03-13 |
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