JP4723189B2 - 無外傷性先端を有する注入カテーテル - Google Patents
無外傷性先端を有する注入カテーテル Download PDFInfo
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- JP4723189B2 JP4723189B2 JP2003587456A JP2003587456A JP4723189B2 JP 4723189 B2 JP4723189 B2 JP 4723189B2 JP 2003587456 A JP2003587456 A JP 2003587456A JP 2003587456 A JP2003587456 A JP 2003587456A JP 4723189 B2 JP4723189 B2 JP 4723189B2
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- occlusion
- catheter
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- infusion
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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
- A61B17/3203—Fluid jet cutting instruments
- A61B17/32037—Fluid jet cutting instruments for removing obstructions from inner organs or blood vessels, e.g. for atherectomy
-
- 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
-
- 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
- A61B2017/22038—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 a guide wire
- A61B2017/22042—Details of the tip of the guide wire
-
- 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
- A61B2017/22079—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 suction of debris
-
- 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
- A61B2017/22082—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 after introduction of a substance
- A61B2017/22084—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 after introduction of a substance stone- or thrombus-dissolving
-
- 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
- A61B2017/320716—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions comprising means for preventing embolism by dislodged material
-
- 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
- A61M25/008—Strength or flexibility characteristics of the catheter tip
- A61M2025/0081—Soft tip
-
- 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
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0662—Guide tubes
- A61M2025/0681—Systems with catheter and outer tubing, e.g. sheath, sleeve or guide tube
-
- 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
- A61M2025/1047—Balloon catheters with special features or adapted for special applications having centering means, e.g. balloons having an appropriate shape
-
- 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
- A61M2025/1052—Balloon catheters with special features or adapted for special applications for temporarily occluding a vessel for isolating a sector
-
- 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
- A61M2025/1079—Balloon catheters with special features or adapted for special applications having radio-opaque markers in the region of the balloon
-
- 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
- A61M2025/1093—Balloon catheters with special features or adapted for special applications having particular tip characteristics
-
- 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
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- 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
- A61M25/02—Holding devices, e.g. on the body
- A61M25/04—Holding devices, e.g. on the body in the body, e.g. expansible
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biophysics (AREA)
- Child & Adolescent Psychology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
本発明は、血管閉塞を処置するための装置および方法に関し、そしてより具体的には、閉塞内に流体を注入しそしてその閉塞を押し出すように構成された、1つの無外傷性先端および少なくとも1つの送達ポートを有する注入カテーテルを提供することによって閉塞を処置するための、装置および方法に関する。
介入を必要とする血管内閉塞は、種々の公知の医療技術を使用して処置され得る。これらの技術の各々において、処置部位で逆向性の流動能力を提供することが望ましくあり得る。このことは、処置の間に自由にされた塞栓を近位方向に流動させ、その結果、この塞栓は血管床内により深くには移動せず、そして梗塞形成および/または壊死を生じる、さらなる閉塞性事象を引き起こさない。
前述に鑑みて、本発明の1つの目的は、閉塞内に流体を注入してその閉塞を希釈しそして血管の内側への閉塞の接着を低減させることによって閉塞を処置するための、装置および方法を提供することである。
本発明は、閉塞内に流体を注入するように構成される、1つの無外傷性先端および少なくとも1つの送達ポートを有するカテーテルを提供することによって血管閉塞を処置するための、装置および方法に関する。注入される流体は閉塞を希釈し、そして血管の内側への閉塞の接着を低減し、これによって閉塞の押し出しを生じる。この工程において形成された塞栓は、安全な除去のための塞栓除去カテーテルの中へと指向される。
Claims (11)
- 血管壁に接着した血管閉塞を破壊するのに適した装置であって、該装置は、以下:
近位末端および遠位末端ならびにそれらの間に延びる内腔、該遠位末端に配置された無外傷性先端、ならびに該内腔と流体連絡される該無外傷性先端の近位に配置される少なくとも1つの送達ポート、を有する注入カテーテルであって、少なくとも1つの送達ポートは、該血管壁の脈管内膜への該閉塞の接着を流体が低減するように、該閉塞内に該流体を注入するよう構成され、該注入カテーテルの長手軸に対して斜角を形成する流体射出を送達し、かつ該流体を近位方向で排出させる、注入カテーテルと、
近位末端、閉塞要素を含む遠位末端、ならびに該近位末端及び遠位末端の間に延びる内腔を有する塞栓除去カテーテルであって、該内腔がその中を通して該注入カテーテルの長手軸方向の進行を可能にするようにサイズ決めされる、塞栓除去カテーテルと、
近位末端および遠位末端ならびにその間に延びる内腔を有する静脈戻りシースであって、前記塞栓除去カテーテルの内腔と流体連絡され、そして患者の血管系中に配置されるように適合される、静脈戻りシース
を備える、装置。 - 前記無外傷性先端が白金コイルを備える、請求項1に記載の装置。
- 前記送達ポートが環状構造を備える、請求項1に記載の装置。
- 前記注入カテーテルがさらに、前記無外傷性先端の近位に配置された、少なくとも1つの放射線不透過性マーカーバンドを備える、請求項1に記載の装置。
- 前記送達ポートの近位に第1放射線不透過性マーカーバンドが配置され、そして該送達ポートの遠位に第2放射線不透過性マーカーバンドが配置される、請求項4に記載の装置。
- 前記流体が生理食塩水である、請求項1に記載の装置。
- 前記注入カテーテルの内腔内に長手軸方向に進められるように構成される、取り外し可能なスタイレットをさらに備える、請求項1に記載の装置。
- 前記注入カテーテルの内腔中に注入される流体の流れを制御するように構成される注入ポンプをさらに備える、請求項1に記載の装置。
- 流体が薬剤である、請求項1に記載の装置。
- 前記塞栓除去カテーテルと前記静脈戻りシースとの間に配置される弁をさらに備え、該弁が、該塞栓除去カテーテルの内腔と該静脈戻りシースの内腔との間の流体連絡を選択的に阻害するように構成される、請求項1に記載の装置。
- 前記塞栓除去カテーテルと前記静脈戻りシースとの間に配置されるフィルターをさらに備える、請求項1に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/134,237 US6855136B2 (en) | 2002-04-03 | 2002-04-25 | Infusion catheter having an atraumatic tip |
US10/134,237 | 2002-04-25 | ||
PCT/US2003/012227 WO2003090831A2 (en) | 2002-04-25 | 2003-04-17 | Infusion catheter having an atraumatic tip |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010222570A Division JP2011019941A (ja) | 2002-04-25 | 2010-09-30 | 無外傷性先端を有する注入カテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005523123A JP2005523123A (ja) | 2005-08-04 |
JP4723189B2 true JP4723189B2 (ja) | 2011-07-13 |
Family
ID=29268795
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003587456A Expired - Fee Related JP4723189B2 (ja) | 2002-04-25 | 2003-04-17 | 無外傷性先端を有する注入カテーテル |
JP2010222570A Pending JP2011019941A (ja) | 2002-04-25 | 2010-09-30 | 無外傷性先端を有する注入カテーテル |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010222570A Pending JP2011019941A (ja) | 2002-04-25 | 2010-09-30 | 無外傷性先端を有する注入カテーテル |
Country Status (8)
Country | Link |
---|---|
US (1) | US6855136B2 (ja) |
EP (2) | EP1496972B1 (ja) |
JP (2) | JP4723189B2 (ja) |
AT (1) | ATE414553T1 (ja) |
AU (1) | AU2003234142B2 (ja) |
CA (2) | CA2483264C (ja) |
DE (1) | DE60324780D1 (ja) |
WO (1) | WO2003090831A2 (ja) |
Families Citing this family (83)
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WO2003090831A3 (en) | 2004-02-05 |
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JP2005523123A (ja) | 2005-08-04 |
CA2648905A1 (en) | 2003-11-06 |
CA2648905C (en) | 2011-11-29 |
DE60324780D1 (de) | 2009-01-02 |
CA2483264C (en) | 2009-12-08 |
ATE414553T1 (de) | 2008-12-15 |
JP2011019941A (ja) | 2011-02-03 |
EP1496972A4 (en) | 2007-04-18 |
EP1496972B1 (en) | 2008-11-19 |
CA2483264A1 (en) | 2003-11-06 |
EP1496972A2 (en) | 2005-01-19 |
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