JP4272990B2 - 医療用回収装置 - Google Patents
医療用回収装置 Download PDFInfo
- Publication number
- JP4272990B2 JP4272990B2 JP2003530133A JP2003530133A JP4272990B2 JP 4272990 B2 JP4272990 B2 JP 4272990B2 JP 2003530133 A JP2003530133 A JP 2003530133A JP 2003530133 A JP2003530133 A JP 2003530133A JP 4272990 B2 JP4272990 B2 JP 4272990B2
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- Prior art keywords
- core wire
- joint
- basket
- distal end
- proximal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- 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
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Description
上記の文献のいずれにも、本願に記載されたような、目的部位において回収要素を保持するための停止要素を備えた装置は開示されていない。
他の実施例において、本願に記載されたいずれの装置も、1つ以上のアクチュエータハンドル及び/又は1つ以上のトルクハンドルを有してもよい。特定の実施例において、アクチュエータハンドルは、カテーテル基端部付近又はカテーテル基端部に配置(例えば、連結)される。同様に、トルクハンドルは、コアワイヤの基端部付近又はコアワイヤの基端部に配置(例えば、連結)されてもよい。アクチュエータハンドルは、例えば、回転止血バルブを有してもよい。
当業者には明白であろう上記の実施例の変更もまた、以下の特許請求の範囲内にあることが意図される。これらの実施例は、以下の特許請求の範囲内にあることが意図される。
Claims (19)
- 先端部及び基端部を有するコアワイヤと、
カテーテル基端部、カテーテル先端部、及びルーメンを有するカテーテルシャフトと、同ルーメン内をコアワイヤは通過して、コアワイヤの先端部がカテーテル先端部を越えて延びることと、
前記カテーテル先端部における更に先端側のコアワイヤの周囲に配置された基端接合部と、同基端接合部はルーメンを有し、同ルーメン内をコアワイヤが通過することと、
前記基端接合部の先端側のコアワイヤの周囲に配置された先端接合部と、同先端接合部はルーメンを有し、同ルーメン内をコアワイヤが通過することと、
コアワイヤの先端部に装着された構造体と、同構造体は、先端接合部のルーメン内を通過不能な寸法を備えることと、
コアワイヤの先端部に装着され、前記基端接合部に装着された第1端部、及び前記先端接合部に装着された第2端部を有する収縮可能なバスケットを備えた、血管内の異物を捕捉回収するための回収要素と、
前記コアワイヤに装着され、かつ、前記基端接合部と先端接合部との間に摺動可能に配置された停止要素と、同停止要素は、これら基端接合部及び先端接合部のそれぞれと当接することによって移動を停止すると共に、前記回収要素のバスケットの過度の拡張叉は収縮を抑制し、さらに、同停止要素は前記基端接合部及び先端接合部のルーメン内を通過不能な寸法を備える装置。 - 停止要素は収縮可能なバスケットの外側にある請求項1に記載の装置。
- 回収要素はループ形状又は突起形状を有する請求項1または2に記載の装置。
- コアワイヤの先端部に装着された構造体はコイルである請求項1に記載の装置。
- コアワイヤはカテーテル基端部を越えて延びる請求項1乃至4のいずれか一項に記載の装置。
- アクチュエータハンドルを更に有する請求項1乃至5のいずれか一項に記載の装置。
- バスケットはブレード状に巻回された複数のリボン又はワイヤを有する請求項1乃至6のいずれか一項に記載の装置。
- バスケットは複数のワイヤを有する請求項7に記載の装置。
- ワイヤはプラチナで覆われたニチノールである請求項8に記載の装置。
- 全てのリボン又はワイヤは第1端部及び第2端部を有することと、第1端部は基端接合部に装着され、第2端部は先端接合部に装着されることとからなる請求項7に記載の装置。
- 先端接合部及び基端接合部は、熱可塑性ポリウレタンエラストマーである請求項1乃至10のいずれか一項に記載の装置。
- 放射線不透過性材料を更に有する請求項1乃至11のいずれか一項に記載の装置。
- 回収要素は放射線不透過性材料を更に有する請求項12に記載の装置。
- コアワイヤの先端部に装着された構造体は、放射線不透過性材料を更に有する請求項1に記載の装置。
- 停止要素は放射線不透過性材料を有する請求項12に記載の装置。
- 放射線不透過性材料は、金、プラチナ又はタンタルからなる請求項12に記載の装置。
- カテーテル基端部付近に配置されたアクチュエータハンドルを更に有する請求項5に記載の装置。
- アクチュエータハンドルは回転止血バルブを有する請求項17に記載の装置。
- コアワイヤの基端部付近に連結されたトルクハンドルを更に有する請求項 1に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/965,503 US6878151B2 (en) | 2001-09-27 | 2001-09-27 | Medical retrieval device |
PCT/US2002/030843 WO2003026487A2 (en) | 2001-09-27 | 2002-09-26 | Medical retrieval device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005503858A JP2005503858A (ja) | 2005-02-10 |
JP4272990B2 true JP4272990B2 (ja) | 2009-06-03 |
Family
ID=25510064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003530133A Expired - Lifetime JP4272990B2 (ja) | 2001-09-27 | 2002-09-26 | 医療用回収装置 |
Country Status (7)
Country | Link |
---|---|
US (2) | US6878151B2 (ja) |
EP (1) | EP1429697B1 (ja) |
JP (1) | JP4272990B2 (ja) |
AT (1) | ATE525028T1 (ja) |
AU (1) | AU2002327763A1 (ja) |
CA (1) | CA2460052A1 (ja) |
WO (1) | WO2003026487A2 (ja) |
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-
2001
- 2001-09-27 US US09/965,503 patent/US6878151B2/en not_active Expired - Lifetime
-
2002
- 2002-09-26 WO PCT/US2002/030843 patent/WO2003026487A2/en active Application Filing
- 2002-09-26 EP EP02763770A patent/EP1429697B1/en not_active Expired - Lifetime
- 2002-09-26 JP JP2003530133A patent/JP4272990B2/ja not_active Expired - Lifetime
- 2002-09-26 AU AU2002327763A patent/AU2002327763A1/en not_active Abandoned
- 2002-09-26 AT AT02763770T patent/ATE525028T1/de not_active IP Right Cessation
- 2002-09-26 CA CA002460052A patent/CA2460052A1/en not_active Abandoned
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US20040225299A1 (en) | 2004-11-11 |
CA2460052A1 (en) | 2003-04-03 |
AU2002327763A1 (en) | 2003-04-07 |
US6878151B2 (en) | 2005-04-12 |
EP1429697A2 (en) | 2004-06-23 |
ATE525028T1 (de) | 2011-10-15 |
US20030060833A1 (en) | 2003-03-27 |
WO2003026487A3 (en) | 2003-05-22 |
JP2005503858A (ja) | 2005-02-10 |
WO2003026487A2 (en) | 2003-04-03 |
EP1429697A4 (en) | 2005-01-12 |
EP1429697B1 (en) | 2011-09-21 |
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