JP2006519058A - 複数の直径を有するガイドワイヤ - Google Patents
複数の直径を有するガイドワイヤ Download PDFInfo
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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
- A61M25/09—Guide wires
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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
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers
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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
- A61M25/09—Guide wires
- A61M2025/09058—Basic structures of guide wires
- A61M2025/09075—Basic structures of guide wires having a core without a coil possibly combined with a sheath
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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
- A61M25/09—Guide wires
- A61M2025/09058—Basic structures of guide wires
- A61M2025/09083—Basic structures of guide wires having a coil around a core
-
- 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
- A61M2025/09108—Methods for making a guide wire
-
- 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
- A61M2025/09175—Guide wires having specific characteristics at the distal 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
所望する特徴に応じて、好適な実施形態を構成するために、様々な材料、寸法、構造を用いることが可能である。例えば、ガイドワイヤは、中央シャフト(即ちコアワイヤ)、1つ以上のスリーブ(即ちポリマー層やポリマーコーティング)、1つ以上のコイル(即ちスプリングチップ等のスプリング)、成形(又はセーフティ)リボン(又はコイル)、放射線不透過性マーカ、先端チップ(又は先端キャップ)、他の同様の構造を備えることが可能である。
図4において、コアワイヤ44は、よりなだらかな移行領域46を備えることを除けば、コアワイヤ30に類似する形状を有する。移行領域46の全長は、約0.1インチ乃至0.3インチ(約2.54mm乃至7.62mm)である。コアワイヤ44は、基端部分48及び先端部分50を有する。先端部分50は、基端側の径が一定の部分52、先端側の径が一定の部分54、及びテーパ状の中間部分56を備える。基端部分48及び先端部分50はそれぞれ、図3に関して述べた寸法及び特性を備えるように形成されてもよい。コアワイヤ44は、上記したように、いずれの好適な金属材料や非金属材料から形成されてもよい。
また、好適なポリマー材料の例としては、ポリ(L−乳酸)(PLLA)、ポリ(D,L−乳酸)(PLA)、ポリグリコリド(PGA)、ポリ(L−乳酸−コ−D,L−乳酸)(PLLA/PLA)、ポリ(L−乳酸−コ−グリコリド)(PLLA/PGA)、ポリ(D,L−乳酸−コ−グリコリド)(PLA/PGA)、ポリ(グリコリド−コ−トリメチレンカーボネート)(PGA/PTMC)、ポリエチレンオキシド(PEO)、ポリジオキサノン(PDS)、ポリカプロラクトン(PCL)、ポリヒドロキシルブチレート(PHBT)、ポリ(ホスファゼン)、ポリ(D,L−乳酸−コ−カプロラクトン)(PLA/PCL)、ポリ(グリコリド−コ−カプロラクトン)(PGA/PCL)、ポリ無水物(PAN)、ポリ(オルトエステル)、ポリ(リン酸エステル)、ポリ(アミノ酸)、ポリ(ヒドロキシブチレート)、ポリアクリレート、ポリアクリルアミド、ポリ(ヒドロキシエチルメタクリレート)、ポリウレタン、ポリシロキサン、およびこれらのコポリマーが含まれるが、ポリマー材料の例はこれらに限定されるものではない。
Claims (23)
- 患者の生体構造内で使用するためのガイドワイヤであって、
基端部分と先端部分とを有する長尺状のシャフトと、同先端部分は同基端部分の外径よりも大きい外径を有する部分を備えることと、
前記先端部分は、患者の生体構造内の目的部位に近接する第1の位置から患者の体外にある第2の位置に達する長さを備えることと、
前記基端部分は、患者の生体構造内の目的部位に近接する前記第1の位置から患者の体外にある前記第2の位置に達する長さを備えることとを特徴とするガイドワイヤ。 - 患者の生体構造内で使用するためのガイドワイヤであって、
ガイドワイヤの先端部近傍からガイドワイヤの基端部近傍に達するコアワイヤと、同コアワイヤは先端部分と基端部分とを備えることと、
前記先端部分は、前記基端部分の外径よりも大きい外径を有する部分を備えることと、
前記先端部分は、患者の生体構造内の目的部位に近接する第1の位置から患者の体外にある第2の位置に達する長さを備えることとを特徴とするガイドワイヤ。 - 前記基端部分は、患者の体内の目的部位に近接する前記第1の位置から患者の体外にある前記第2の位置に達する長さを有する請求項2に記載のガイドワイヤ。
- 患者の生体構造内で使用するためのガイドワイヤであって、
患者の生体構造内を進行するための手段を備え、且つ、生体構造内の目的部位近傍に配置される第1の位置と、患者の体外に配置される第2の位置との間を延びる先端部分と、
患者の生体構造内の目的部位近傍に配置される前記第1の位置と、患者の体外に配置される第2の位置との間に延び、且つ、上方にある他の器具を案内するための手段を有する基端部分とを備えるガイドワイヤ。 - 前記先端部分の20%以上は、前記基端部分の外径よりも大きい外径を有する請求項1乃至4のいずれか一項に記載のガイドワイヤ。
- 前記先端部分の50%以上は、前記基端部分の外径よりも大きい外径を有する請求項1乃至4のいずれか一項に記載のガイドワイヤ。
- 前記基端部分の外径は、その長さに沿ってほぼ一定している請求項1乃至6のいずれか一項に記載のガイドワイヤ。
- 前記先端部分は、基端部と先端部とを備え、同基端部は前記基端部分の外径よりも大きい外径を有する請求項1乃至7のいずれか一項に記載のガイドワイヤ。
- 前記先端部分は、1個以上の径が一定の部分と1個以上のテーパ状部分とを備える請求項1乃至8のいずれか一項に記載のガイドワイヤ。
- 前記基端部分は、1個以上の径が一定の部分と1個以上のテーパ状部分とを備える請求項1乃至9のいずれか一項に記載のガイドワイヤ。
- 前記先端部分は、前記基端部分の外径よりも大きい径が一定の部分を備える請求項1乃至10のいずれか一項に記載のガイドワイヤ。
- 生体構造内の前記目的部位は、生体構造内の血管を介して到達可能であり、前記先端部分は、目的部位から血管を介して患者の体外にある前記第2の位置に達する長さを有する請求項1乃至11のいずれか一項に記載のガイドワイヤ。
- 生体構造内の前記目的部位は、生体構造内の血管を介して到達可能であり、前記基端部分は、前記目的部位から血管を介して患者の体外にある前記第2の位置に達する長さを有する請求項1乃至12のいずれか一項に記載のガイドワイヤ。
- 前記基端部分は、約33インチ乃至60インチ(約83.82cm乃至152.40cm)の長さを有する請求項1乃至13のいずれか一項に記載のガイドワイヤ。
- 前記基端部分は、約0.014インチ乃至0.02インチ(約0.3556mm乃至0.51mm)の径を有する請求項1乃至14のいずれか一項に記載のガイドワイヤ。
- 前記先端部分は、約6インチ乃至18インチ(約15.24cm乃至45.72cm)の長さを有する請求項1乃至15のいずれか一項に記載のガイドワイヤ。
- 前記コアワイヤの少なくとも一部の周囲に配置されるポリマースリーブをさらに備える請求項2に記載のガイドワイヤ。
- 前記コアワイヤの先端部分の少なくとも一部の周囲に配置されるコイルをさらに備える請求項2又は17に記載のガイドワイヤ。
- 前記先端部分と基端部分との間の接合部近傍に配置される放射線不透過性マーカ部材をさらに備える請求項1乃至18のいずれか一項に記載のガイドワイヤ。
- 請求項1乃至19のいずれか一項に記載のガイドワイヤを製造する方法であって、
基端部分と、同基端部分の外径よりも大きい外径を有する部分を含む先端部分とを備えた前記長尺状のシャフトを形成する工程と、
前記先端部分に、患者の生体構造内の目的部位に近接する前記第1の位置から患者の体外にある前記第2の位置に達する長さを提供する工程と、
前記基端部分に、患者の生体構造内の目的部位に近接する前記第1の位置から患者の体外にある前記第2の位置に達する長さを提供する工程とからなる方法。 - 請求項2に記載のガイドワイヤのコアワイヤを製造する方法であって、
同コアワイヤが前記先端部分と前記基端部分とを備えるように形成する工程と、
前記先端部分に、前記基端部分の外径よりも大きい外径を有する部分を提供する工程と、
前記先端部分に、患者の生体構造内の目的部位に近接する前記第1の位置から患者の体外にある前記第2の位置に達する長さを提供する工程とからなる方法。 - 前記基端部分に、患者の体内の目的部位に近接する前記第1の位置から患者の体外にある前記第2の位置に達する長さを提供する工程をさらに有する請求項21に記載の方法。
- 請求項4に記載のガイドワイヤを製造する方法であって、
患者の生体構造内を進行するための前記手段を備え、且つ、生体構造内の目的部位近傍に配置される前記第1の位置と患者の体外に配置される前記第2の位置との間に延びる前記先端部分を形成する工程と、
患者の生体構造内の目的部位近傍に配置される前記第1の位置と、患者の体外に配置される前記第2の位置との間に延び、且つ、上方にある他の器具を案内するための手段を備える前記基端部分を形成する工程とを備える方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/375,634 US8167821B2 (en) | 2003-02-26 | 2003-02-26 | Multiple diameter guidewire |
PCT/US2004/005060 WO2004075964A2 (en) | 2003-02-26 | 2004-02-24 | Multiple diameter guidewire |
Publications (1)
Publication Number | Publication Date |
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JP2006519058A true JP2006519058A (ja) | 2006-08-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006503743A Pending JP2006519058A (ja) | 2003-02-26 | 2004-02-24 | 複数の直径を有するガイドワイヤ |
Country Status (5)
Country | Link |
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US (1) | US8167821B2 (ja) |
EP (1) | EP1596919A2 (ja) |
JP (1) | JP2006519058A (ja) |
CA (1) | CA2516295A1 (ja) |
WO (1) | WO2004075964A2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2014103476A1 (ja) * | 2012-12-26 | 2014-07-03 | 日本ライフライン株式会社 | 医療用ガイドワイヤ |
KR20180075493A (ko) * | 2015-09-22 | 2018-07-04 | 아비오메드, 인크. | 캐뉼러 배치를 위한 가이드 와이어 |
WO2023199517A1 (ja) * | 2022-04-15 | 2023-10-19 | 朝日インテック株式会社 | ガイドワイヤ |
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KR102429803B1 (ko) * | 2015-09-22 | 2022-08-05 | 아비오메드, 인크. | 캐뉼러 배치를 위한 가이드 와이어 |
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WO2023199517A1 (ja) * | 2022-04-15 | 2023-10-19 | 朝日インテック株式会社 | ガイドワイヤ |
Also Published As
Publication number | Publication date |
---|---|
CA2516295A1 (en) | 2004-09-10 |
US20040167440A1 (en) | 2004-08-26 |
EP1596919A2 (en) | 2005-11-23 |
WO2004075964A2 (en) | 2004-09-10 |
WO2004075964A3 (en) | 2004-12-16 |
US8167821B2 (en) | 2012-05-01 |
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