JP4664685B2 - 心臓の箇所にアクセスするための2管腔案内カテーテル - Google Patents
心臓の箇所にアクセスするための2管腔案内カテーテル Download PDFInfo
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/056—Transvascular endocardial electrode systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/056—Transvascular endocardial electrode systems
- A61N1/057—Anchoring means; Means for fixing the head inside the heart
- A61N2001/0578—Anchoring means; Means for fixing the head inside the heart having means for removal or extraction
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Description
本明細書にて本発明の特定の実施の形態について詳細に開示したが、これは、単に説明の目的のために記載したものであり、本発明の範囲を特許請求の範囲に記載された範囲に限定することを意図するものではない。特許請求の範囲の精神及び範囲から逸脱せずに、開示された実施の形態に対し各種の置換、変更例又は形態変更を為すことが可能であることを理解すべきである。上述した実施例は、単に、現在の好ましい実施の形態又は当発明者が考えるものであり、本発明を開示された実施の形態にのみ限定するものであると見なすべきではない。従って、本発明の精神及び範囲から実際に逸脱せずに、特許請求の範囲内で、本発明は具体的に説明した以外の方法にて実施することが可能であることが理解されよう。
Claims (1)
- 心臓リードを切開部から蛇行経路を通して心臓の室に対する植え込み箇所まで導入する2管腔案内カテーテル(bilumenguide catheter)において、
カテーテル本体の基端と、該カテーテル本体の末端との間を伸びる細長いカテーテル本体を備え、
該カテーテル本体は、案内管腔(guide lumen)を備え、
該案内管腔は、該案内管腔の入口ポートと、カテーテル本体の末端との間を伸び、該案内管腔の直径寸法は、案内カテーテルを蛇行経路を通ってステアリングする(steering)のを助け得るように内部に挿入された案内工具を受け入れ得るような寸法とされ、
該カテーテル本体は更に、送り込み管腔(delivery lumen)を備え、
該送り込み管腔は、該送り込み管腔の入口ポートと、カテーテル本体の末端に対し基端側にてカテーテル本体に沿って配置された送り込み管腔の出口ポートとの間を伸び、これにより案内管腔を包む末端リーダが、送り込み管腔の出口ポートからカテーテル本体の末端まで末端方向に伸び、
該送り込み管腔は、案内管腔の直径を上廻る送り込み管腔直径を有し且つ、リード導体を包みまた基端リードコネクタ要素及び末端電極の間を伸びたリード本体を有する心臓リードを蛇行経路を通って植え込み箇所まで導入することを可能にするよう心臓リードを受け入れ得る寸法とされ、
カテーテル本体は、第一のデュロメータ硬さを有する第一の材料にて押し出し成形された送り込み管腔を包む送り込み管と、第二のデュロメータ硬さを有する第二の材料にて押し出し成形された案内管腔を包み込む案内管とを共押し出し成形し且つ、送り込み管及び案内管を細長い接続部に沿って接続することにより、形成された共押し出し成形の2管腔カテーテル本体を備える、2管腔案内カテーテル。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/319,245 US8509916B2 (en) | 2002-12-16 | 2002-12-16 | Bilumen guide catheters for accessing cardiac sites |
PCT/US2003/039808 WO2004060440A2 (en) | 2002-12-16 | 2003-12-15 | Bilumen guide catheters for addessing cardiac sites |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006509604A JP2006509604A (ja) | 2006-03-23 |
JP2006509604A5 JP2006509604A5 (ja) | 2010-06-03 |
JP4664685B2 true JP4664685B2 (ja) | 2011-04-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004565472A Expired - Fee Related JP4664685B2 (ja) | 2002-12-16 | 2003-12-15 | 心臓の箇所にアクセスするための2管腔案内カテーテル |
Country Status (5)
Country | Link |
---|---|
US (1) | US8509916B2 (ja) |
EP (1) | EP1578467B1 (ja) |
JP (1) | JP4664685B2 (ja) |
CA (1) | CA2508527A1 (ja) |
WO (1) | WO2004060440A2 (ja) |
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Also Published As
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CA2508527A1 (en) | 2004-07-22 |
JP2006509604A (ja) | 2006-03-23 |
EP1578467A2 (en) | 2005-09-28 |
US8509916B2 (en) | 2013-08-13 |
US20040116878A1 (en) | 2004-06-17 |
WO2004060440A9 (en) | 2004-09-10 |
WO2004060440A2 (en) | 2004-07-22 |
EP1578467B1 (en) | 2012-03-21 |
WO2004060440A3 (en) | 2004-11-18 |
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