JP5577343B2 - バルーン付きカテーテル - Google Patents
バルーン付きカテーテル Download PDFInfo
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- JP5577343B2 JP5577343B2 JP2011527988A JP2011527988A JP5577343B2 JP 5577343 B2 JP5577343 B2 JP 5577343B2 JP 2011527988 A JP2011527988 A JP 2011527988A JP 2011527988 A JP2011527988 A JP 2011527988A JP 5577343 B2 JP5577343 B2 JP 5577343B2
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- balloon
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- 238000000034 method Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 238000000315 cryotherapy Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 14
- 210000003492 pulmonary vein Anatomy 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 206010003658 Atrial Fibrillation Diseases 0.000 description 2
- 238000002399 angioplasty Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 210000005166 vasculature Anatomy 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- 210000005246 left atrium Anatomy 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Images
Classifications
-
- 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
- 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
- A61M25/1006—Balloons formed between concentric tubes
-
- 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
- A61M25/09—Guide wires
-
- 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable 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
- A61M2025/0004—Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system
-
- 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
- A61M25/1011—Multiple balloon catheters
- A61M2025/1013—Multiple balloon catheters with concentrically mounted balloons, e.g. being independently inflatable
-
- 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
- A61M2025/1061—Balloon catheters with special features or adapted for special applications having separate inflations tubes, e.g. coaxial tubes or tubes otherwise arranged apart from the catheter 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
- A61M2025/1068—Balloon catheters with special features or adapted for special applications having means for varying the length or diameter of the deployed balloon, this variations could be caused by excess pressure
-
- 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
- A61M2025/1077—Balloon catheters with special features or adapted for special applications having a system for expelling the air out of the balloon before inflation and use
-
- 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
- A61M2025/1081—Balloon catheters with special features or adapted for special applications having sheaths or the like for covering the balloon but not forming a permanent part of the balloon, e.g. retractable, dissolvable or tearable sheaths
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Child & Adolescent Psychology (AREA)
- Vascular Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
(詳細な説明)
バルーン付きカテーテルのバルーン部分の収縮、かつ手技後の患者からの該バルーン部分の抜去を可能にするのを支援するために、バルーン付きカテーテルは、バルーンを伸長した状態に付勢するバネ部材を備えることができる。そのような伸長状態では、バルーン材料は、バルーンが膨張前の直径より大きくならないように、ひと塊になるかまたはその他のかたちで収縮する。バネ部材は、カテーテル内の様々な位置に、例えば治療の際に患者の体外に残るカテーテルシャフトの基端に、またはバルーンに近いカテーテルシャフトの先端に配置可能である。バルーンを伸長した状態に付勢するために、バネ部材は、バルーン内へ伸びてバルーンの先端に固定される長尺状部材に対して先端方向の力を加えることができる。いくつかの実装において、長尺状部材はガイドワイヤルーメンである。他の実装では、長尺状部材は別の種類のルーメン、例えばバルーン内部のチャンバに液体もしくは気体を送達するため、または該チャンバから液体もしくは気体を回収するための、供給ルーメンまたは排出ルーメンである。
Claims (12)
- バルーン付きカテーテルであって、
基端および先端を有するカテーテルシャフトと、
カテーテルシャフトの先端に固定される基端を有する可膨張バルーンと、
カテーテルシャフトとは別個でありカテーテルシャフトの内部に配置され、かつ、可膨張バルーンの内部チャンバの中へ伸び、さらに、可膨張バルーンの先端に固定されるとともにカテーテルシャフトの基端に固定される長尺状部材と、
長尺状部材に対して、カテーテルシャフトの先端方向への縦力を加えるバネ部材であって、先端方向への縦力により、可膨張バルーンが、カテーテルシャフトの先端から離れる方向において伸長した状態に付勢されるバネ部材と、
カテーテルシャフトの基端に配置されるとともに、カテーテルシャフトの内側にあるルーメンをバルーン付きカテーテルの外部にあるデバイスに流体連結させるための連結部材を有しているポート部品と、を備え、
長尺状部材の余剰の長さの形態をとる緩みが、カテーテルシャフトの基端とバネ部材との間に配置されることを特徴とする、バルーン付きカテーテル。 - バネ部材はポート部品の中に配置される、請求項1に記載のバルーン付きカテーテル。
- バネ部材の第1端はポート部品に取り付けられ、バネ部材の第2端は長尺状部材に取り付けられることと、第2端は、ポート部品の中にありバネ部材に隣接するチャネルの内部で摺動自在に平行移動するように構成されることとを特徴とする、請求項1または2に記載のバルーン付きカテーテル。
- バネ部材は、第2端が可膨張バルーンの膨張時には可膨張バルーンから離れる方向に平行移動することによって該バネ部材を当初の圧縮状態以上に圧縮し、可膨張バルーンの非膨張時には可膨張バルーンに向かって平行移動して先端方向への縦力を加えるように構成されることを特徴とする、請求項3に記載のバルーン付きカテーテル。
- 長尺状部材はルーメン内に配置される、請求項4に記載のバルーン付きカテーテル。
- 長尺状部材は、ポート部品における長尺状部材の平行移動が同じ距離を移動するように内部チャンバにおける長尺状部材の対応する平行移動を引き起こすように、長手方向にほぼ圧縮不能な材料から構築される、請求項1〜5のいずれか一項に記載のバルーン付きカテーテル。
- 長尺状部材は、編組材料およびハイポチューブのうち少なくとも1つを含んでなる、請求項6に記載のバルーン付きカテーテル。
- カテーテルシャフトおよび可膨張バルーンを受け入れるシースをさらに備え、可膨張バルーンは、治療手技を行うためにシースの外側の治療部位へとシース内を進められて膨張させられ、治療手技の後に収縮させられてシースの中へ回収されるように構成される、請求項1〜7のいずれか一項に記載のバルーン付きカテーテル。
- バネ部材は、シース内へ向かって可膨張バルーンを収縮および回収すべく先端方向への縦力を加えるように構成される、請求項8に記載のバルーン付きカテーテル。
- 長尺状部材は、ガイドワイヤルーメン、外部供給源から内部チャンバに液体もしくは気体を供給するための供給ルーメン、および内部チャンバからバルーン付きカテーテルの外部の領域に液体もしくは気体を排出するための排出ルーメンのうち少なくとも1つを含んでなる、請求項1〜9のいずれか一項に記載のバルーン付きカテーテル。
- バネ部材は、カテーテルシャフトの内部かつカテーテルシャフトの先端に近接して配置される、請求項1〜10のいずれか一項に記載のバルーン付きカテーテル。
- 可膨張バルーンは治療部位において冷凍療法を行うように構成されている、請求項1〜11のいずれか一項に記載のバルーン付きカテーテル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9902108P | 2008-09-22 | 2008-09-22 | |
US61/099,021 | 2008-09-22 | ||
PCT/US2009/057452 WO2010033785A1 (en) | 2008-09-22 | 2009-09-18 | Biasing a catheter balloon |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012502759A JP2012502759A (ja) | 2012-02-02 |
JP2012502759A5 JP2012502759A5 (ja) | 2012-11-01 |
JP5577343B2 true JP5577343B2 (ja) | 2014-08-20 |
Family
ID=41259982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011527988A Active JP5577343B2 (ja) | 2008-09-22 | 2009-09-18 | バルーン付きカテーテル |
Country Status (6)
Country | Link |
---|---|
US (1) | US8333757B2 (ja) |
EP (1) | EP2334365B1 (ja) |
JP (1) | JP5577343B2 (ja) |
KR (1) | KR20110063551A (ja) |
CA (1) | CA2737272A1 (ja) |
WO (1) | WO2010033785A1 (ja) |
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JP2012502759A (ja) | 2012-02-02 |
KR20110063551A (ko) | 2011-06-10 |
CA2737272A1 (en) | 2010-03-25 |
US20100076402A1 (en) | 2010-03-25 |
EP2334365A1 (en) | 2011-06-22 |
WO2010033785A1 (en) | 2010-03-25 |
US8333757B2 (en) | 2012-12-18 |
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