JP2008514293A - 軸線方向の曲りを有する支柱を備えた取り出し可能な大静脈フィルタ - Google Patents
軸線方向の曲りを有する支柱を備えた取り出し可能な大静脈フィルタ Download PDFInfo
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- JP2008514293A JP2008514293A JP2007533691A JP2007533691A JP2008514293A JP 2008514293 A JP2008514293 A JP 2008514293A JP 2007533691 A JP2007533691 A JP 2007533691A JP 2007533691 A JP2007533691 A JP 2007533691A JP 2008514293 A JP2008514293 A JP 2008514293A
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- Prior art keywords
- filter
- struts
- primary
- strut
- longitudinal axis
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- 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.)
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Classifications
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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
- A61F2/0105—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
- A61F2/0103—With centering means
-
- 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
- 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
Abstract
【選択図】 図2a
Description
Claims (17)
- 血管内の血栓を捕捉するための取り出し可能なフィルタにおいて、
長手方向軸に沿って一体に結合された第1端を有する複数の一次支柱を備えており、各一次支柱は、開いた状態と閉じた状態の間で一様な向きに配置されるように、長手方向軸に対して軸方向の曲りを有する弓状区分を有しており、前記一次支柱の前記軸方向の曲りは、前記長手方向軸に対し一様な角度を成しており、前記弓状区分のそれぞれは、前記第1端から伸張して錨着フックで終わっており、前記一次支柱は、血管と係合するための展開状態と、前記フィルタを回収又は送出するための潰れた状態に動くようになっている、取り出し可能なフィルタ。 - 前記第1部分は第1湾曲部分を備えており、前記第2部分は第2湾曲部分を備えており、前記第1湾曲部分は前記第1部分の面に沿って湾曲しており、前記第2湾曲部分は前記第2部分の面に沿って湾曲している、請求項1に記載の取り出し可能なフィルタ。
- 前記第2湾曲部分は、実質的に、前記軸方向の曲りから前記錨着フックまで伸張している、請求項2に記載の取り出し可能なフィルタ。
- 前記第2湾曲部分は、複数の湾曲区間を備えている、請求項2又は3の何れかに記載の取り出し可能なフィルタ。
- 前記第2湾曲部分は、1つ又はそれ以上の曲り区間により接合されている複数の真っ直ぐな区間を備えている、請求項2又は3の何れかに記載の取り出し可能なフィルタ。
- 前記長手方向軸に沿って一体に結合された接合端を有しており、且つそこから自由端まで伸張している複数の二次支柱を更に備えており、前記二次支柱は、開いた状態の前記フィルタを血管内で中心に位置決めするようになっている、上記請求項の何れかに記載の取り出し可能なフィルタ。
- 前記開いた状態の錨着フックの形態は、第1軸方向面を画定し、前記開いた状態の二次支柱の自由端は、前記フィルタを血管内で中心決めするための第2軸方向面を画定する、請求項6に記載の取り出し可能なフィルタ。
- 前記一次支柱と前記二次支柱は、前記フィルタの潰れた形態を画定する最小直径と、前記フィルタの展開形態を画定する最大直径を含んでいる、請求項6又は7に記載の取り出し可能なフィルタ。
- 各二次支柱は、超弾性材料、ニチノール、ステンレス鋼線、コバルトクロムニッケルモリブデン鉄合金、コバルトクロム合金、又はそれらの混合物で形成されている、請求項6から8の何れかに記載の取り出し可能なフィルタ。
- 前記一次支柱は、その第1端で軸回転して、前記潰れた形態と前記展開形態の間を動くようになっている、上記請求項の何れかに記載の取り出し可能なフィルタ。
- 各一次支柱は、超弾性材料、ニチノール、ステンレス鋼線、コバルトクロムニッケルモリブデン鉄合金、コバルトクロム合金、又はそれらの混合物で形成されている、上記請求項の何れかに記載の取り出し可能なフィルタ。
- 前記複数の一次支柱の前記第1端を軸方向に収納するようになっているハブと、
前記フィルタを前記血管から取り出すための回収フックであって、前記ハブから、前記複数の一次支柱とは反対の方向に伸張している回収フックと、を更に備えている、上記請求項の何れかに記載の取り出し可能なフィルタ。 - 各一次支柱の前記錨着フックは、前記長手方向軸からオフセットする向きに配置されている、上記請求項の何れかに記載の取り出し可能なフィルタ。
- 前記複数の支柱が、前記閉じた状態と前記開いた状態の間を動くとき、各一次支柱の前記錨着フックは、前記長手方向からオフセットしている弧に沿って動く、請求項13に記載の取り出し可能なフィルタ。
- 各一次支柱の前記錨着フックは、前記一次支柱の前記第1端から円周方向にオフセットしている、上記請求項の何れかに記載の取り出し可能なフィルタ。
- 各一次支柱は、第1部分と第2部分を備えており、前記軸方向の曲りは、前記第1部分を前記第2部分に接合しており、前記第1部分は、前記第1端から伸張して、前記長手方向軸と交差する第1部分の面内に概ね配置されており、前記軸方向の曲りは、前記長手方向軸に対して円周方向に沿う向きに配置されており、前記第2部分は、前記第1部分の面と交差する第2部分の面内に概ね配置されており、前記第2部分は錨着フックで終わっており、前記複数の一次支柱は、前記開いた状態と前記閉じた状態の両方で、長手方向軸の周りに等間隔に配置されている、請求項1に記載の取り出し可能なフィルタ。
- 血管内の血栓を捕捉するための取り出し可能なフィルタにおいて、
長手方向軸に沿って一体に結合された第1端を有する複数の一次支柱を備えており、前記複数の一次支柱は、血管への送出時の閉じた状態と、血管と係合する時の開いた状態の間を動くことができ、各一次支柱は、概ね、前記第1端から前記長手方向に対して円周方向に伸張して錨着フックで終わっており、前記複数の一次支柱は、前記開いた状態と前記閉じた状態の両方で、長手方向軸の周りに等間隔に配置されている、取り出し可能なフィルタ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61396304P | 2004-09-27 | 2004-09-27 | |
PCT/US2005/034350 WO2006036867A1 (en) | 2004-09-27 | 2005-09-27 | Removable vena cava filter comprising struts having axial beds |
Publications (2)
Publication Number | Publication Date |
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JP2008514293A true JP2008514293A (ja) | 2008-05-08 |
JP2008514293A5 JP2008514293A5 (ja) | 2008-11-13 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007533691A Pending JP2008514293A (ja) | 2004-09-27 | 2005-09-27 | 軸線方向の曲りを有する支柱を備えた取り出し可能な大静脈フィルタ |
Country Status (10)
Country | Link |
---|---|
US (1) | US8167901B2 (ja) |
EP (1) | EP1802252B1 (ja) |
JP (1) | JP2008514293A (ja) |
CN (1) | CN101031254B (ja) |
AT (1) | ATE516772T1 (ja) |
AU (1) | AU2005289628B2 (ja) |
BR (1) | BRPI0516135B8 (ja) |
CA (1) | CA2580786C (ja) |
DK (1) | DK1802252T3 (ja) |
WO (1) | WO2006036867A1 (ja) |
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WO2006052894A1 (en) | 2004-11-08 | 2006-05-18 | Cook, Inc. | Blood clot filter configured for a wire guide |
-
2005
- 2005-09-27 CN CN2005800326876A patent/CN101031254B/zh active Active
- 2005-09-27 AT AT05798700T patent/ATE516772T1/de not_active IP Right Cessation
- 2005-09-27 CA CA2580786A patent/CA2580786C/en active Active
- 2005-09-27 EP EP05798700A patent/EP1802252B1/en active Active
- 2005-09-27 AU AU2005289628A patent/AU2005289628B2/en active Active
- 2005-09-27 WO PCT/US2005/034350 patent/WO2006036867A1/en active Application Filing
- 2005-09-27 DK DK05798700.0T patent/DK1802252T3/da active
- 2005-09-27 US US11/235,801 patent/US8167901B2/en active Active
- 2005-09-27 BR BRPI0516135A patent/BRPI0516135B8/pt active IP Right Grant
- 2005-09-27 JP JP2007533691A patent/JP2008514293A/ja active Pending
Patent Citations (4)
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JP2002525183A (ja) * | 1998-09-25 | 2002-08-13 | エヌエムティー メディカル インコーポレイテッド | 除去可能な栓子・血餅フィルタ |
JP2003523805A (ja) * | 2000-02-08 | 2003-08-12 | ボストン サイエンティフィック リミテッド | 後退可能な血栓濾過装置および方法 |
JP2004504080A (ja) * | 2000-06-05 | 2004-02-12 | ボストン サイエンティフィック リミテッド | セルフセンタリング機能を備えた二平面大静脈フィルター |
WO2002102436A2 (en) * | 2001-06-14 | 2002-12-27 | Cook Incorporated | Endovascular filter |
Also Published As
Publication number | Publication date |
---|---|
BRPI0516135B1 (pt) | 2017-06-06 |
CN101031254B (zh) | 2010-10-27 |
BRPI0516135B8 (pt) | 2021-06-22 |
CN101031254A (zh) | 2007-09-05 |
EP1802252B1 (en) | 2011-07-20 |
AU2005289628A1 (en) | 2006-04-06 |
US8167901B2 (en) | 2012-05-01 |
BRPI0516135A (pt) | 2008-08-26 |
AU2005289628B2 (en) | 2010-12-16 |
WO2006036867A1 (en) | 2006-04-06 |
CA2580786A1 (en) | 2006-04-06 |
DK1802252T3 (da) | 2011-10-17 |
ATE516772T1 (de) | 2011-08-15 |
EP1802252A1 (en) | 2007-07-04 |
CA2580786C (en) | 2012-10-23 |
US20060069406A1 (en) | 2006-03-30 |
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