JP6030655B2 - カテーテルおよびカテーテル組立体 - Google Patents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
-
- 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
- A61M25/0194—Tunnelling catheters
-
- 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
- A61M25/10—Balloon catheters
- A61M25/104—Balloon catheters used for angioplasty
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/003—Steerable
- A61B2017/00318—Steering mechanisms
- A61B2017/00331—Steering mechanisms with preformed bends
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22061—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation for spreading elements apart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22065—Functions of balloons
- A61B2017/22071—Steering
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22094—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for crossing total occlusions, i.e. piercing
- A61B2017/22095—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for crossing total occlusions, i.e. piercing accessing a blood vessel true lumen from the sub-intimal space
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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
- A61B2017/320733—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a flexible cutting or scraping element, e.g. with a whip-like distal filament member
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
- A61M2025/0096—Catheter tip comprising a tool being laterally outward extensions or tools, e.g. hooks or fibres
-
- 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
- A61M2025/018—Catheters having a lateral opening for guiding elongated means lateral to the catheter
-
- 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
- A61M25/0194—Tunnelling catheters
- A61M2025/0197—Tunnelling catheters for creating an artificial passage within the body, e.g. in order to go around occlusions
-
- 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
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Child & Adolescent Psychology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Description
例示的一実施形態は、内部に閉塞を有する血管を再開通させるためのカテーテルである。カテーテルは、基端部と、先端部と、先端部に近接した先端部分とを有するカテーテルシャフトを含む。カテーテルはまた、カテーテルシャフトの先端部分に結合した拡張可能部材を含む。可撓性チューブ部材は、カテーテルシャフトからかつ拡張可能部材の外側に沿って延在する。拡張可能部材の拡張によって、可撓性チューブ部材は、カテーテルシャフトの長手方向軸から離れるように撓んだ形態になる。
本開示の態様は、添付の図面と併せて、以下の様々な実施形態の詳細な説明を考慮するとより完全に理解され得る。
本明細書の全ての数値は、明確に示すか否かに関わらず、用語「約」によって修正されると考えられる。用語「約」は、一般的に、当業者が、引用した値に等価であるとみなす(すなわち、同じ機能または結果を有する)、ある範囲の数を指す。多くの場合、用語「約」は、有効数字に丸められる数を含むことを示す。
様々な構成要素、特徴および/または仕様に関するいくつかの好適な寸法、範囲および/または値が開示されるが、本開示を実施しようとする当業者は、所望の寸法、範囲および/または値が、それらの明白に開示されたものからずれ得ることを理解する。
Claims (16)
- 内部に閉塞を有する血管を再開通させるためのカテーテルであって、
基端部と、先端部と、前記先端部に近接した先端部分とを有するカテーテルシャフトと、
前記カテーテルシャフトの外側に位置するように、該カテーテルシャフトの先端部分に装着された拡張可能部材と、
前記カテーテルシャフトからかつ前記拡張可能部材の外側に沿って延在する可撓性チューブ部材と、
を含み、
前記拡張可能部材の拡張によって、前記可撓性チューブ部材を、前記カテーテルシャフトの長手方向軸から離れるように撓んだ形態に撓ませ、
前記拡張可能部材が、第1の翼部分、第2の翼部分、および前記第1の翼部分と第2の翼部分との間に配置された球根状部分を含む膨張可能なバルーンである、カテーテル。 - 送達形態において、前記可撓性チューブ部材が、前記カテーテルシャフトの長手方向軸に略平行な長手方向中心軸を有する、請求項1に記載のカテーテル。
- 前記膨張可能なバルーンの膨張により、前記可撓性チューブ部材を、前記カテーテルシャフトから離れるように撓んだ形態に湾曲させる、請求項1に記載のカテーテル。
- 前記可撓性チューブ部材が、その先端部に先端開口部を含み、前記先端開口部は、撓んだ形態において基端方向に対面している、請求項3に記載のカテーテル。
- 前記膨張可能なバルーンの球根状部分は、前記可撓性チューブ部材に対して膨張し、前記可撓性チューブ部材を湾曲形態に撓ませるように構成されている、請求項1に記載のカテーテル。
- 前記可撓性チューブ部材が、らせん状スリットが延在する金属チューブ部材である、請求項1に記載のカテーテル。
- 前記金属チューブ部材が、角度のつけられた先端を有する、請求項6に記載のカテーテル。
- 前記拡張可能部材が、収縮して送達形態にあるときに、前記可撓性チューブ部材の周りに折り畳まれる、請求項1に記載のカテーテル。
- 前記拡張可能部材は膨張すると、その外面が前記可撓性チューブ部材に係合する、請求項1に記載のカテーテル。
- 血管の管腔内を閉塞部まで順行方向に通過するためのカテーテル組立体であって、前記血管の管腔において逆方向に閉塞部の方へアテレクトミー装置の向きを変えるように構成されたカテーテル組立体において、
基端部と、先端部と、前記先端部に近接した先端部分とを有するカテーテルシャフトと、
前記カテーテルシャフトの外側に位置するように、該カテーテルシャフトの先端部分に装着された膨張可能なバルーンであって、第1の翼部分、第2の翼部分、および前記第1の翼部分と第2の翼部分との間に配置された球根状部分を含む膨張可能なバルーンと、
前記膨張可能なバルーンに近接した前記カテーテルシャフトの位置から先端側に延在し、かつ、前記膨張可能なバルーンの外側に沿って延在するチューブ部材であって、前記膨張可能なバルーンが膨張すると、前記カテーテルシャフトから離れるように、湾曲形態に撓むことが可能なように構成されたチューブ部材と、
を含むカテーテル組立体。 - 前記チューブ部材が、アテレクトミー装置を内部に摺動可能に収容するように構成されたアテレクトミールーメンを画成する、請求項10に記載のカテーテル組立体。
- 前記アテレクトミールーメンを通って延在可能なアテレクトミー装置をさらに含む、請求項11に記載のカテーテル組立体。
- 前記チューブ部材が、湾曲形態において少なくとも90°湾曲する、請求項10に記載のカテーテル組立体。
- 前記チューブ部材が、前記湾曲形態において基端方向に対面するように構成された先端開口部を含む、請求項10に記載のカテーテル組立体。
- 前記膨張可能なバルーンが、収縮して送達形態にあるときに、前記チューブ部材の周りに折り畳まれる、請求項10に記載のカテーテル組立体。
- 前記膨張可能なバルーンは膨張すると、その外面が前記チューブ部材に係合する、請求項10に記載のカテーテル組立体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161536229P | 2011-09-19 | 2011-09-19 | |
US61/536,229 | 2011-09-19 | ||
PCT/US2012/055905 WO2013043592A1 (en) | 2011-09-19 | 2012-09-18 | Subintimal re-entry catheter and retrograde recanalization |
Related Child Applications (1)
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JP2016134828A Division JP6408517B2 (ja) | 2011-09-19 | 2016-07-07 | カテーテルおよびカテーテル組立体 |
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JP2014526347A JP2014526347A (ja) | 2014-10-06 |
JP6030655B2 true JP6030655B2 (ja) | 2016-11-24 |
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JP2014530946A Active JP6030655B2 (ja) | 2011-09-19 | 2012-09-18 | カテーテルおよびカテーテル組立体 |
JP2016134828A Active JP6408517B2 (ja) | 2011-09-19 | 2016-07-07 | カテーテルおよびカテーテル組立体 |
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Country | Link |
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US (3) | US9402981B2 (ja) |
EP (2) | EP2757984B1 (ja) |
JP (2) | JP6030655B2 (ja) |
AU (1) | AU2012312666B2 (ja) |
CA (1) | CA2848781C (ja) |
WO (1) | WO2013043592A1 (ja) |
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WO2019191538A1 (en) | 2018-03-29 | 2019-10-03 | Asahi Intecc Co., Ltd. | Catheter and recanalization catheter system |
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EP2757984A1 (en) | 2014-07-30 |
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EP3446649A1 (en) | 2019-02-27 |
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US20130072957A1 (en) | 2013-03-21 |
EP2757984B1 (en) | 2018-08-29 |
CA2848781A1 (en) | 2013-03-28 |
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