KR101493138B1 - 물질 제거 장치 - Google Patents
물질 제거 장치 Download PDFInfo
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- KR101493138B1 KR101493138B1 KR1020127032564A KR20127032564A KR101493138B1 KR 101493138 B1 KR101493138 B1 KR 101493138B1 KR 1020127032564 A KR1020127032564 A KR 1020127032564A KR 20127032564 A KR20127032564 A KR 20127032564A KR 101493138 B1 KR101493138 B1 KR 101493138B1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320783—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B17/34—Trocars; Puncturing needles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
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- A—HUMAN NECESSITIES
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- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320783—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter
- A61B2017/320791—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter with cutter extending outside the cutting window
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Abstract
Description
도 1b는 상단부 하우징 부분을 제거한 상태로 도 1a의 컷터 드라이버의 측면 사시도를 도시한다.
도 2a는 본원 발명의 죽상반절제술 카테터의 말단 단부 부분의 사시도이다.
도 2b는 저장된 위치에서의 컷팅 요소와 함께 도 1a에 도시된 죽상반절제술 카테터의 말단 단부 부분의 단면도를 도시한다.
도 3은 작업 위치에서의 컷팅 요소와 함께 도 2a에 도시된 죽상반절제술 카테터의 부분의 부분적인 단면 및 부분적인 반투명 사시도를 도시한다.
도 4a는 컷팅 요소 및 드라이버 샤프트의 실시예의 단면도를 도시한다.
도 4b는 본원 발명의 드라이버 샤프트의 실시예의 측면도를 도시한다.
도 5는 본원 발명의 컷터 드라이브 어댑터(adaptor)의 사시도를 도시한다.
도 6은 본원 발명의 회전 팁 요소의 사시도를 도시한다.
도 7은 드라이브 샤프트의 다른 실시예와 함께 카테터의 일부의 부분적으로 반투명한 측면도를 도시한다.
도 8은 개선된 물질 수집 특징부(feature)를 갖는 도 7의 실시예의 부분적으로 반투명한 측면도를 도시한다.
도 9는 드라이브 샤프트의 다른 실시예와 함께 카테터의 일부의 부분적으로 반투명한 측면도를 도시한다.
도 10 내지 12는 컷팅 요소의 다른 실시예의 부분적으로 반투명한 측면도를 도시한다.
도 13 내지 15는 드라이브 샤프트 및 컷터 드라이브 어댑터의 다른 실시예를 도시한다.
도 16은 신속 교환 카테터로서 이용하도록 구성된 카테터의 다른 실시예이다.
도 17a, 17b 및 17c는 죽상반절제술 카테터를 이용하는 방법을 도시한다.
Claims (56)
- 맥관 내강으로부터 물질을 제거하기 위한 카테터로서:
기저 단부, 말단 단부, 벽을 갖추어 내강을 형성하는 튜브형 본체로서, 상기 벽은 튜브형 본체의 말단 단부의 기저쪽에 위치되는 측부 개구부(side opening) 및 상기 측부 개구부에 인접한 외경을 갖는, 튜브형 본체;
상기 튜브형 본체의 내강 내에 배치된 회전가능 샤프트;
상기 회전가능 샤프트에 대해서 커플링된 컷팅 요소로서, 상기 컷팅 요소 및 회전가능 샤프트는 저장 위치와 컷팅 위치 사이에서 상기 튜브형 본체 내에서 길이방향으로 이동가능하며, 상기 저장 위치에서는 상기 컷팅 요소가 상기 측부 개구부의 말단쪽에 배치되고 상기 컷팅 위치에서는 상기 컷팅 요소가 상기 측부 개구부와 길이방향으로 정렬되고 상기 튜브형 본체의 내강 내에 수용되는, 컷팅 요소;
상기 튜브형 본체 내의 컷팅 요소 노출 부재로서, 상기 컷팅 요소 노출 부재는 말단 위치와 기저 위치 사이에서 상기 튜브형 본체에 대해 길이방향으로 이동가능하며, 상기 컷팅 요소가 컷팅 위치에 있을 때 상기 컷팅 요소 노출 부재의 말단 위치로부터 기저 위치로의 이동에 따라 상기 컷팅 요소가 컷팅 위치로부터 연장된 위치로 이동하도록 상기 컷팅 요소 노출 부재가 구성되며, 상기 연장된 위치에서는 상기 컷팅 요소의 일부가 상기 튜브형 본체의 벽의 상기 외경을 벗어나 상기 측부 개구부를 통해 연장되는, 컷팅 요소 노출 부재를 포함하는, 카테터. - 제1항에 있어서,
상기 튜브형 본체의 말단 단부에 연결된 회전가능 팁; 및
상기 회전가능 샤프트로부터 상기 회전가능 팁을 선택적으로 커플링 및 언커플링하기 위한 연결체 조립체를 더 포함하는, 카테터. - 제2항에 있어서,
상기 연결체 조립체는 상기 컷팅 요소의 제1 부분을 포함하고, 상기 제1 부분은 상기 회전가능 팁의 제2 부분과 기계적으로 연동되도록 성형된, 카테터. - 제2항에 있어서,
상기 회전가능 팁이 연마성 표면을 포함하는, 카테터. - 제1항에 있어서,
상기 튜브형 본체의 기저 부분에 부착된 핸들을 더 포함하며, 상기 핸들은 동력 공급원, 상기 회전가능 샤프트에 커플링된 모터, 및 제1 제어 부재와 제2 제어 부재를 포함하고, 상기 제1 제어 부재는 상기 회전가능 샤프트에 커플링되고, 상기 제2 제어 부재는 상기 컷팅 요소 노출 부재에 커플링되며, 상기 제1 제어 부재는 상기 저장 위치와 상기 컷팅 위치 사이에서 상기 컷팅 요소를 이동시키도록 구성되며, 상기 제2 제어 부재는 상기 말단 위치와 상기 기저 위치 사이에서 컷팅 요소 노출 부재를 이동시키도록 구성된, 카테터. - 제5항에 있어서,
상기 컷팅 요소 노출 부재는 말단 단부 및 기저 단부를 갖는 당김 와이어 및 상기 당김 와이어의 말단 단부에 연결된 원호 형상의 부싱(bushing)을 포함하고, 상기 당김 와이어의 기저 단부는 상기 제2 제어 부재에 연결되는, 카테터. - 제1항에 있어서,
상기 컷팅 요소는, 상기 컷팅 요소가 컷팅 위치에 있을 때, 상기 측부 개구부에 함입된 물질을 컷팅하도록 구성된 측부 컷팅 블레이드를 더 포함하는, 카테터. - 제1항에 있어서,
상기 측부 개구부의 기저쪽 위치에서 상기 튜브형 본체 내에 위치되는 물질 수집 챔버; 및
상기 맥관 내강으로부터 제거된 물질을 상기 수집 챔버 내로 기저쪽으로 지향시키기 위한 수단을 더 포함하는, 카테터. - 제8항에 있어서,
상기 컷팅 요소는, 상기 맥관 내강으로부터 제거된 물질을 상기 물질 수집 챔버 내로 지향시키도록 구성된, 기저쪽으로 배향된 컵 형상의 표면을 포함하는, 카테터. - 제1항에 있어서,
상기 컷팅 요소 노출 부재는, 상기 컷팅 요소의 일부가 상기 측부 개구부를 통해 연장되는 양을 제어하도록, 선택적으로 이동될 수 있는, 카테터. - 맥관 내강으로부터 물질을 제거하기 위한 카테터로서:
기저 단부, 말단 단부, 벽을 갖추어 내강을 형성하는 튜브형 본체;
상기 튜브형 본체의 내강 내에 배치된 회전가능 샤프트;
상기 회전가능 샤프트에 작동식으로 커플링되어 상기 샤프트의 회전에 의해 회전 운동이 부여되는 컷팅 요소로서, 상기 컷팅 요소 및 회전가능 샤프트는 함께, 상기 튜브형 본체에 대해 회전 가능한 회전가능 조립체를 형성하고, 상기 컷팅 요소는 컷팅 엣지를 갖는, 컷팅 요소;
상기 튜브형 본체의 말단 단부에 연결되고, 상기 튜브형 본체에 대해 회전 가능한 회전가능 팁; 및
상기 튜브형 본체에 대한 회전가능 조립체의 회전이 회전가능 팁에 튜브형 본체에 대한 회전운동을 부여하도록 회전가능 팁에 회전가능 조립체를 선택적으로 커플링시키기 위해 구성되고, 그리고 회전가능 조립체로부터 회전가능 팁을 선택적으로 언커플링시키기 위해 구성되는 연결체 조립체를 포함하는, 카테터. - 제11항에 있어서,
상기 연결체 조립체가 상기 회전가능 조립체의 제1 부분 및 상기 회전가능 팁의 제2 부분을 포함하고, 상기 회전가능 조립체는 기저쪽의 언커플링된 위치와 말단쪽의 커플링된 위치 사이에서 상기 튜브형 본체 내에서 이동가능하고, 상기 회전가능 조립체가 상기 말단쪽의 커플링된 위치에 있을 때 상기 제1 및 제2 부분들이 기계적으로 연동되도록 성형된, 카테터. - 제11항에 있어서,
상기 회전가능 팁이 연마성 표면을 포함하는, 카테터. - 제11항에 있어서,
상기 벽은 튜브형 본체의 말단 단부의 기저쪽에 위치되는 측부 개구부를 가지며, 상기 측부 개구부의 기저쪽 위치에서 상기 튜브형 본체 내에 위치되는 물질 수집 챔버를 더 포함하고,
상기 컷팅 요소는, 상기 맥관 내강으로부터 제거된 물질을 상기 수집 챔버 내로 지향시키도록 구성된, 기저쪽으로 배향된 컵 형상의 표면을 포함하는, 카테터. - 맥관 내강으로부터 물질을 제거하기 위한 카테터로서,
기저 단부, 말단 단부, 벽을 갖추어 내강을 형성하는 튜브형 본체로서, 상기 튜브형 본체는 말단 단부의 제1 개구부 및 상기 말단 단부의 기저쪽의 벽을 통한 제2 개구부를 구비하는, 튜브형 본체;
상기 튜브형 본체의 내강 내에 배치되는 회전가능 샤프트;
상기 카테터가 혈관을 통해 말단쪽으로 이동될 때 상기 제1 개구부를 통해 혈관으로부터 물질을 컷팅하도록 구성되고 상기 튜브형 본체의 말단 단부에 배치된 제1 컷팅 요소로서, 상기 회전가능 샤프트는 상기 샤프트의 회전이 제1 컷팅 요소에 회전 운동을 부여하도록, 상기 제1 컷팅 요소에 작동식으로 커플링되는, 제1 컷팅 요소; 및
상기 카테터가 혈관을 통해 기저쪽으로 이동될 때 상기 제2 개구부를 통해 혈관으로부터 물질을 제거하도록 구성되고 상기 제1 컷팅 요소의 기저쪽에 배치된 제2 컷팅 요소로서, 상기 회전가능 샤프트는 상기 샤프트의 회전이 제2 컷팅 요소에 회전 운동을 부여하도록, 상기 제2 컷팅 요소에 작동식으로 커플링되는, 제2 컷팅 요소를 포함하는, 카테터. - 삭제
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- 2011-06-14 JP JP2013515433A patent/JP5690928B2/ja active Active
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- 2011-06-14 CN CN201180029247.0A patent/CN102946815B/zh active Active
- 2011-06-14 US US13/160,044 patent/US9119662B2/en active Active
- 2011-06-14 BR BR112012031907-8A patent/BR112012031907A2/pt not_active Application Discontinuation
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Also Published As
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RU2012150415A (ru) | 2014-07-20 |
EP2579791B1 (en) | 2014-04-23 |
US20110306995A1 (en) | 2011-12-15 |
US9119662B2 (en) | 2015-09-01 |
US9855072B2 (en) | 2018-01-02 |
EP2742881B1 (en) | 2015-10-07 |
AU2011267862A1 (en) | 2012-12-13 |
CN102946815A (zh) | 2013-02-27 |
AU2011267862B2 (en) | 2013-11-07 |
CA2800920A1 (en) | 2011-12-22 |
KR20130018437A (ko) | 2013-02-22 |
CN102946815B (zh) | 2015-07-15 |
ES2482608T3 (es) | 2014-08-04 |
RU2538174C2 (ru) | 2015-01-10 |
EP2742881A1 (en) | 2014-06-18 |
CA2800920C (en) | 2015-04-14 |
US20150327884A1 (en) | 2015-11-19 |
JP5690928B2 (ja) | 2015-03-25 |
BR112012031907A2 (pt) | 2020-08-04 |
JP2013532027A (ja) | 2013-08-15 |
WO2011159697A1 (en) | 2011-12-22 |
EP2579791A1 (en) | 2013-04-17 |
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