JP5086080B2 - 血管フィルター - Google Patents
血管フィルター Download PDFInfo
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- JP5086080B2 JP5086080B2 JP2007533499A JP2007533499A JP5086080B2 JP 5086080 B2 JP5086080 B2 JP 5086080B2 JP 2007533499 A JP2007533499 A JP 2007533499A JP 2007533499 A JP2007533499 A JP 2007533499A JP 5086080 B2 JP5086080 B2 JP 5086080B2
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- filter
- struts
- region
- blood vessel
- hook
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2/012—Multiple filtering units
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2/0105—Open ended, i.e. legs gathered only at one side
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2002/016—Filters implantable into blood vessels made from wire-like elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2002/018—Filters implantable into blood vessels made from tubes or sheets of material, e.g. by etching or laser-cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/848—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs
- A61F2002/8486—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs provided on at least one of the ends
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/005—Rosette-shaped, e.g. star-shaped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0073—Quadric-shaped
- A61F2230/008—Quadric-shaped paraboloidal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0093—Umbrella-shaped, e.g. mushroom-shaped
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Description
ここで図面を参照するが、添付の図面では複数の図で一貫して同一参照番号は類似する構成要素または同一構成要素を示しており、本発明の血管フィルターは、下位大静脈の内部に設置されて血餅またはそれ以外の肺に至る可能性のある粒子を捕獲する用途で説明されている。
Claims (17)
- 第1領域および第2領域を有する血管フィルターであって、前記血管フィルターは、血管に搬送するための折畳まれた位置と、血管内に設置するための拡張した位置との間で可動であり、第1領域は、第1取付部と、第1の方向に開いている第1フィルター部とを有している第1組の支柱とともに、第1の部分に第1の収束領域を有して、この第1の収束領域で粒子をフィルターの中央に寄せるようにしており、前記第1取付部は、拡張した位置では末広がり状となり、前記第1の部分から離れる方向に徐々に横断方向の寸法が増大しており、第2領域は第2取付部と第1の方向に開いている第2フィルター部とを有している第2組の支柱とともに、第2の部分に第2の収束領域を有して、この第2の収束領域で粒子をフィルターの中央に寄せるようにしており、前記第2取付部は拡張した位置では末広がり状となり、前記第2の部分から離れる方向に徐々に横断方向の寸法が増大しており、互いから離隔された複数の支柱が、前記第1の収束領域と、前記第2の収束領域との間に延び、前記互いから離隔された複数の支柱は、近位部分および遠位部分を有し、前記近位部分は第1の管状部分を有し、前記遠位部分は第2の管状部分を有し、前記第1組の支柱は前記第1の管状部分と一体でかつ前記第1の管状部分から延びており、前記第2組の支柱は前記第2の管状部分と一体でかつ前記第2の管状部分から延びていることを特徴とする、血管フィルター。
- 前記フィルターは、レーザー切断加工された管材で形成されるとともに、形状記憶素材で構成されることを特徴とする、請求項1に記載の血管フィルター。
- 前記第1組の支柱は、前記第2組の支柱から放射方向に片寄せられていることを特徴とする、請求項2に記載の血管フィルター。
- 第1組の互いに離隔された支柱が前記第1取付部を形成しており、第2組の互いに離隔された前記第2取付部を形成しており、1本以上の支柱は、終端部が血管に係合するフックの形状を呈していることを特徴とする、請求項1に記載の血管フィルター。
- 前記血管に係合するフックは、各々が、前記それぞれの支柱の端と共通平面上に在ることを特徴とする、請求項4に記載の血管フィルター。
- 前記第1組の支柱のうちの少なくとも2本の互いに隣接し合う支柱は、互いに向かって延びる支柱部材によって相互接続されることを特徴とする、請求項1に記載の血管フィルター。
- 前記第1組の支柱と前記第2組の支柱の両方の組の支柱のうちの少なくとも2本の互いに隣接し合う支柱は、互いに向かって延びる支柱部材によって相互接続されることを特徴とする、請求項1に記載の血管フィルター。
- 前記第1の収束領域と前記第2の収束領域の間に延びる支柱は、前記フィルターの長手方向軸線に対して平行であることを特徴とする、請求項1に記載の血管フィルター。
- 前記第1領域は回収用領域を更に含み、前記回収用領域は、切取り部が設けられて、内部の環状面を露出させるフックを有しており、前記環状面の寸法は、回収用の鞘部材の一部を受け入れるように設定されており、前記回収用領域は、第1湾曲面と第2湾曲面が遠位方向内向きに延びる丸味付けされた領域を含むことを特徴とする、請求項1に記載の血管フィルター。
- 第1領域および第2領域を有する血管フィルターであって、前記血管フィルターは、血管へ搬送するための折畳まれた位置と、血管内に設置するための拡張した位置との間で可動であり、前記第1領域は第1組の支柱を有しており、これらの支柱は、第1取付部と、第1の方向に開いている第1フィルター部とを有しており、前記第1フィルター部は、前記血管フィルターの中心に粒子を向かわせるようにした第1の収束領域を第1の部分に有しており、前記第1の収束領域は、前記第1組の支柱の近位側に位置する第1の管状部分に収束しており、前記第1取付部は、末広がり状になって拡張した位置を取っており、前記第1の部分とは反対側の第2の部分に向けて横断方向の寸法を増大させるようにしており、前記第2領域は第2の管状部分および第2組の支柱を有しており、これらの支柱は、末広がり状になって拡張した位置を取っているとともに第1の方向に開いている第2取付部を形成しており、前記第2の管状部分は、前記第2組の支柱の近位端の近位側に位置しており、前記第1組の支柱は前記第1の管状部分と一体であり、また、前記第2組の支柱は前記第2の管状部分と一体であり、互いから離隔された複数の支柱が、前記第1領域と、前記第2領域との間に延びることを特徴とする、血管フィルター。
- 前記フィルターはレーザー切断加工された管材で形成されるとともに、形状記憶素材で構成されることを特徴とする、請求項10に記載の血管フィルター。
- 前記第1組の支柱と前記第2組の支柱は、それぞれの終端部が血管に係合するフックの形状を呈していることを特徴とする、請求項10に記載の血管フィルター。
- 前記血管に係合するフックは、各々が、それぞれの支柱の端と共通平面上に存在することを特徴とする、請求項12に記載の血管フィルター。
- 前記第1組の支柱のうちの少なくとも2本の互いに隣接し合う支柱は、互いに向けて延びる支柱部材によって相互接続されることを特徴とする、請求項10に記載の血管フィルター。
- 前記少なくとも2本の互いに隣接し合う支柱は、第1の接合領域で相互接続されてから、二股になって2本の相互接続用の支柱に分かれ、互いに隣接し合う支柱の相互接続用の支柱は第2の接合領域で接合されることを特徴とする、請求項14に記載の血管フィルター。
- 前記第1領域と前記第2領域の間に延びる前記支柱は、前記フィルターの長手方向軸線に対して平行であることを特徴とする、請求項10に記載の血管フィルター。
- 前記第2領域は回収用の領域を更に含み、前記回収用の領域は切取り部が内部環状面を露出させるフックを有しており、前記環状面の寸法は回収用鞘部材の一部を受け入れるように設定されており、前記回収用の領域は、第1湾曲面と第2湾曲面が、遠位方向内向きに延びる丸味付けされた領域を含むことを特徴とする、請求項10に記載の血管フィルター。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61357404P | 2004-09-27 | 2004-09-27 | |
US61336204P | 2004-09-27 | 2004-09-27 | |
US60/613,362 | 2004-09-27 | ||
US60/613,574 | 2004-09-27 | ||
PCT/US2005/031383 WO2006036457A2 (en) | 2004-09-27 | 2005-09-02 | Vein filter |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008514276A JP2008514276A (ja) | 2008-05-08 |
JP2008514276A5 JP2008514276A5 (ja) | 2008-09-11 |
JP5086080B2 true JP5086080B2 (ja) | 2012-11-28 |
Family
ID=35636665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007533499A Active JP5086080B2 (ja) | 2004-09-27 | 2005-09-02 | 血管フィルター |
Country Status (7)
Country | Link |
---|---|
US (4) | US7909847B2 (ja) |
EP (2) | EP1811919B1 (ja) |
JP (1) | JP5086080B2 (ja) |
AU (1) | AU2005290052B2 (ja) |
CA (2) | CA2580124C (ja) |
ES (1) | ES2444590T3 (ja) |
WO (1) | WO2006036457A2 (ja) |
Families Citing this family (86)
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2005
- 2005-09-02 US US11/219,433 patent/US7909847B2/en active Active
- 2005-09-02 EP EP20050793070 patent/EP1811919B1/en active Active
- 2005-09-02 CA CA2580124A patent/CA2580124C/en not_active Expired - Fee Related
- 2005-09-02 CA CA 2844155 patent/CA2844155A1/en not_active Abandoned
- 2005-09-02 AU AU2005290052A patent/AU2005290052B2/en not_active Ceased
- 2005-09-02 ES ES10178467T patent/ES2444590T3/es active Active
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AU2005290052B2 (en) | 2011-06-02 |
WO2006036457A3 (en) | 2006-06-29 |
US7909847B2 (en) | 2011-03-22 |
WO2006036457A2 (en) | 2006-04-06 |
EP1811919A2 (en) | 2007-08-01 |
ES2444590T3 (es) | 2014-02-25 |
CA2580124C (en) | 2014-05-13 |
CA2844155A1 (en) | 2006-04-06 |
US20060079930A1 (en) | 2006-04-13 |
US20150112379A1 (en) | 2015-04-23 |
EP2298236A1 (en) | 2011-03-23 |
US8920458B2 (en) | 2014-12-30 |
AU2005290052A1 (en) | 2006-04-06 |
CA2580124A1 (en) | 2006-04-06 |
JP2008514276A (ja) | 2008-05-08 |
EP1811919B1 (en) | 2015-05-20 |
US20070088381A1 (en) | 2007-04-19 |
US20110160764A1 (en) | 2011-06-30 |
EP2298236B1 (en) | 2013-11-06 |
US7749246B2 (en) | 2010-07-06 |
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