JP2007532271A - 高められた回収および送出しのための一次ストラットを有する取出し可能な大静脈フィルタ - Google Patents
高められた回収および送出しのための一次ストラットを有する取出し可能な大静脈フィルタ Download PDFInfo
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- 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
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- A61F2/0103—With centering means
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- A—HUMAN NECESSITIES
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- 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
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- 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
- A61F2/011—Instruments for their placement or removal
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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
- A61F2002/016—Filters implantable into blood vessels made from wire-like elements
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- 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
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Abstract
【解決手段】このフィルタは複数の一次ストラット(12)および複数の二次ストラットを備えている。拡張状態における各一次ストラットはその第1端部から固定フック(26)まで延びている。各一次ストラットは長さ方向軸線に沿って弧状に、および半径方向に直線状に延びている。複数の一次ストラットの第1端部は長さ方向軸線に沿って共に取付けられている。拡張状態における各二次ストラットは長さ方向軸線に沿って弧状に、および半径方向に直線状に延びている。複数の二次ストラットは長さ方向軸線に沿って共に取付けられている。複数の二次ストラットは血管内で拡張状態のフィルタを集中させる。
【選択図】図3a
Description
本願は「高められた回収および送出しのために構成された一次ストラットを有する取出し可能な大静脈フィルタ」と称せられる2004年4月16日に出願された米国予備出願第60/562,809号(その全内容は出典を明示することによって本願明細書の開示の一部とされる)の利益を請求する。
Claims (20)
- 収縮状態および拡張状態を有していて、血管内の血栓を捕獲するための取出し可能なフィルタであって、
複数の一次ストラットを備えており、拡張状態の各一次ストラットはその第1端部から固定フックまで延びており、各一次ストラットは長さ方向軸線に沿って弧状に、および半径方向に直線状に延びており、複数の一次ストラットの第1端部は長さ方向に沿って共に取付けられており、
複数の二次ストラットを備えており、拡張状態の各二次ストラットはその第1端部から自由端部まで延びており、各二次ストラットは長さ方向軸線に沿って弧状に、および半径方向に直線状に延びており、複数の二次ストラットは長さ方向軸線に沿って共に取付けられており、複数の二次ストラットは拡張状態および収縮状態のフィルタを集中させる、
血管内の血栓を捕獲するための取出し可能なフィルタ。 - 複数の一次ストラットの第1端部を軸方向に収容するように構成されたハブと、
血管からのフィルタの取出しのために複数の一次ストラットと反対側にハブから延びている回収フックと、を更に備えている請求項1に記載の取出し可能なフィルタ。 - 弧状セグメントは第1湾曲部分および第2湾曲部分を有しており、第1湾曲部分は第1端部から延びており、第2湾曲部分は第1湾曲部分から延びていて、固定フックのところで終わっている、請求項1に記載の取出し可能なフィルタ。
- 第1湾曲部分はフィルタの長さ方向軸線から半径方向に延びるように構成されており、第2湾曲部分はフィルタの長さ方向軸線に向かって半径方向に延びるように構成されている、請求項3に記載の取出し可能なフィルタ。
- 第1および第2湾曲部分はフィルタの長さ方向軸線と非平行な関係を有するように構成されている、請求項3に記載の取出し可能なフィルタ。
- 各一次ストラットは超弾性材料、ステンレス鋼ワイヤ、ニチノール、コバルト-クロム-ニッケル-モリブデン-鉄合金またはコバルト-クロム合金で形成されている、請求項1に記載の取出し可能なフィルタ。
- 各二次ストラットは超弾性材料、ステンレス鋼ワイヤ、ニチノール、コバルト-クロム-ニッケル-モリブデン-鉄合金またはコバルト-クロム合金で形成されている、請求項1に記載の取出し可能なフィルタ。
- 複数対の二次ストラットが複数対の一次ストラットの間に位置決めされており、各対の二次ストラットはそれらの連結端部の近くで互いのまわりに撚られて撚り部分を形成している、請求項1に記載のフィルタ。
- 各撚り部分は約1つ10個の間の撚りを有している、請求項8に記載のフィルタ。
- ストラットは転移温度を有する形状記憶合金で形成されている、請求項1に記載の取出し可能なフィルタ。
- ストラットはそれらの温度が転移温度にほぼ等しいか或はそれより高いときに収縮状態へ収縮する、請求項10に記載の取出し可能なフィルタ。
- ストラットはそれらの温度が転移温度にほぼ等しいか或はそれより高いときに拡張状態へ拡張する、請求項10に記載の取出し可能なフィルタ。
- 拡張状態および収縮状態を有していて、血管内の血栓を捕獲するための取出し可能なフィルタであって、
複数の一次ストラットを備えており、拡張状態の各一次ストラットはその第1端部から固定フックまで延びており、各一次ストラットは長さ方向軸線に沿って弧状に、および半径方向に直線状に延びており、
複数の二次ストラットを備えており、拡張状態の各二次ストラットはその第1端部から自由端部まで延びており、各二次ストラットは長さ方向軸線に沿って弧状に、および半径方向に直線状に延びており、複数の二次ストラットは長さ方向軸線に沿って共に取付けられており、複数の二次ストラットは血管内において拡張状態のフィルタを集中させ、
一次ストラットの第1端部および二次ストラットの第1端部を軸方向に収容しているハブと、
血管からのフィルタの取出しのために複数の一次ストラットと反対側にハブから延びている回収フックと、
を備えている血管内の血栓を捕獲するための取出し可能なフィルタ。 - 第1湾曲部分はフィルタの長さ方向軸線から半径方向に延びるように構成されており、第2湾曲部分はフィルタの長さ方向軸線に向かって半径方向に延びるように構成されている、請求項13に記載の取出し可能なフィルタ。
- 各一次ストラットは超弾性材料、ステンレス鋼ワイヤ、ニチノール、コバルト-クロム-ニッケル-モリブデン-鉄合金またはコバルト-クロム合金で形成されている、請求項13に記載の取出し可能なフィルタ。
- 各二次ストラットは超弾性材料、ステンレス鋼ワイヤ、ニチノール、コバルト-クロム-ニッケル-モリブデン-鉄合金またはコバルト-クロム合金で形成されている、請求項13に記載の取出し可能なフィルタ。
- ストラットは転移温度を有する形状記憶合金で形成されている、請求項13に記載の取出し可能なフィルタ。
- ストラットはそれらの温度が転移温度にほぼ等しいか或はそれより高いときに収縮状態へ収縮する、請求項17に記載の取出し可能なフィルタ。
- ストラットはそれらの温度が転移温度にほぼ等しいか或はそれより高いときに拡張状態へ拡張する、請求項17に記載の取出し可能なフィルタ。
- 拡張状態および収縮状態を有していて、血管内の血栓を捕獲するための取出し可能なフィルタであって、
複数の一次ストラットを備えており、拡張状態の各一次ストラットはその第1端部から固定フックまで延びており、各一次ストラットは長さ方向軸線に沿って弧状に、および半径方向に直線状に延びており、複数の一次ストラットの第1端部は長さ方向軸線に沿って共に取付けられており、拡張状態における固定フックは第1軸方向部分を構成し、
複数の二次ストラットを備えており、拡張状態の各二次ストラットはその第1端部から自由端部まで延びており、各二次ストラットは長さ方向軸線に沿って弧状に、および半径方向に直線状に延びており、複数の二次ストラットは長さ方向軸線に沿って共に取付けられており、拡張状態における二次ストラットの自由端部は血管内でフィルタを集中させるために第2軸方向部分を構成し、複数の二次ストラットは血管内において拡張状態のフィルタを集中させる、
血管内の血栓を捕獲するための取出し可能なフィルタ。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56281304P | 2004-04-16 | 2004-04-16 | |
US56280904P | 2004-04-16 | 2004-04-16 | |
US56317604P | 2004-04-16 | 2004-04-16 | |
US56290904P | 2004-04-16 | 2004-04-16 | |
US60/563,176 | 2004-04-16 | ||
US60/562,909 | 2004-04-16 | ||
US60/562,809 | 2004-04-16 | ||
US60/562,813 | 2004-04-16 | ||
PCT/US2005/013322 WO2005102213A1 (en) | 2004-04-16 | 2005-04-18 | Removable vena cava filter having primary struts for enhanced retrieval and delivery |
Publications (3)
Publication Number | Publication Date |
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JP2007532271A true JP2007532271A (ja) | 2007-11-15 |
JP2007532271A5 JP2007532271A5 (ja) | 2008-06-19 |
JP4898988B2 JP4898988B2 (ja) | 2012-03-21 |
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JP2007508642A Active JP4898988B2 (ja) | 2004-04-16 | 2005-04-18 | 回収及び送出性能を高めるための一次ストラットを有する回収可能な大静脈フィルタ |
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Country | Link |
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US (1) | US8105349B2 (ja) |
EP (2) | EP1737383B1 (ja) |
JP (1) | JP4898988B2 (ja) |
AU (1) | AU2005234752B2 (ja) |
CA (1) | CA2562690C (ja) |
DK (1) | DK1737383T3 (ja) |
WO (1) | WO2005102213A1 (ja) |
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US7314477B1 (en) | 1998-09-25 | 2008-01-01 | C.R. Bard Inc. | Removable embolus blood clot filter and filter delivery unit |
US9204956B2 (en) | 2002-02-20 | 2015-12-08 | C. R. Bard, Inc. | IVC filter with translating hooks |
CA2562746C (en) | 2004-04-16 | 2012-06-05 | Cook, Inc. | Removable vena cava filter having inwardly positioned anchoring hooks in collapsed configuration |
JP4898986B2 (ja) | 2004-04-16 | 2012-03-21 | クック メディカル テクノロジーズ エルエルシー | 損傷を減少させるためのアンカー形状を有する取出し可能な大静脈フィルタ |
AU2005234752B2 (en) | 2004-04-16 | 2010-12-16 | Cook, Inc. | Removable vena cava filter having primary struts for enhanced retrieval and delivery |
CA2562688A1 (en) | 2004-04-16 | 2005-11-03 | Cook, Inc. | Removable vena cava filter for reduced trauma in collapsed configuration |
US7625390B2 (en) * | 2004-04-16 | 2009-12-01 | Cook Incorporated | Removable vena cava filter |
US7704267B2 (en) | 2004-08-04 | 2010-04-27 | C. R. Bard, Inc. | Non-entangling vena cava filter |
AU2005289628B2 (en) | 2004-09-27 | 2010-12-16 | Cook, Inc. | Removable vena cava filter comprising struts having axial beds |
CA2946470C (en) | 2005-05-12 | 2019-02-19 | C.R. Bard Inc. | Removable embolus blood clot filter |
US12115057B2 (en) | 2005-05-12 | 2024-10-15 | C.R. Bard, Inc. | Tubular filter |
US8062327B2 (en) | 2005-08-09 | 2011-11-22 | C. R. Bard, Inc. | Embolus blood clot filter and delivery system |
CA2630217C (en) | 2005-11-18 | 2016-10-11 | C.R. Bard, Inc. | Vena cava filter with filament |
US10188496B2 (en) | 2006-05-02 | 2019-01-29 | C. R. Bard, Inc. | Vena cava filter formed from a sheet |
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2005
- 2005-04-18 AU AU2005234752A patent/AU2005234752B2/en active Active
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- 2005-04-18 EP EP05737816.8A patent/EP1737383B1/en active Active
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CA2562690A1 (en) | 2005-11-03 |
US20050267513A1 (en) | 2005-12-01 |
EP1737383A1 (en) | 2007-01-03 |
US8105349B2 (en) | 2012-01-31 |
WO2005102213A1 (en) | 2005-11-03 |
EP1737383B1 (en) | 2014-10-15 |
DK1737383T3 (en) | 2015-01-12 |
AU2005234752A1 (en) | 2005-11-03 |
JP4898988B2 (ja) | 2012-03-21 |
AU2005234752B2 (en) | 2010-12-16 |
EP2158874A1 (en) | 2010-03-03 |
CA2562690C (en) | 2012-07-17 |
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