JP4918636B2 - 折畳み構成において損傷の少ない取出し可能な大静脈フィルタ - Google Patents
折畳み構成において損傷の少ない取出し可能な大静脈フィルタ Download PDFInfo
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- JP4918636B2 JP4918636B2 JP2007508625A JP2007508625A JP4918636B2 JP 4918636 B2 JP4918636 B2 JP 4918636B2 JP 2007508625 A JP2007508625 A JP 2007508625A JP 2007508625 A JP2007508625 A JP 2007508625A JP 4918636 B2 JP4918636 B2 JP 4918636B2
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Images
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
- A61F2/0103—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
- A61F2/0105—Open ended, i.e. legs gathered only at one side
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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
- A61F2/011—Instruments for their placement or removal
-
- 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
- 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
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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
- 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
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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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
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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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
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Description
本願は「折畳み構成において損傷の少ない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60/562,943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。
隣接した一次ストラット438間には、一対の二次ストラット440が位置決めされている。各二次ストラット440はハブ442から延びていて、中央軸線444の方に向いている先端部462で終わっている。これらの先端部462はハブ442と一次ストラット438のアンカーフック454との間に長さ方向に位置決めされている。隣接した一次ストラット間に位置決めされた各対の二次ストラット440の連結端部は撚り合わされて撚り部分464を構成している。
Claims (12)
- 血管内の血栓を捕捉するための取出し可能なフィルタであって、
長さ方向軸線に沿って一緒にされた第1端部を有する複数の一次ストラットを備えており、各一次ストラットは第1端部からアンカーフックまで延びている弧状部分を有しており、前記一次ストラットは前記アンカーフックを前記血管壁と係合させるための拡張状態と、フィルタの回収または送達のために折畳み状態との間で動くように構成されており、各一次ストラットは、前記弧状部分がフィルタの回収または送達のための前記折畳み状態で前記アンカーフックにより占められる第2直径より大きい第1直径を占めるように、前記折畳み状態で前記長さ方向軸線に沿って他の一次ストラットと交差するように構成されており、
当該取出し可能なフィルタは、更に、前記長さ方向軸線に沿って一緒にされた連結端部を有していて、前記血管内で前記拡張状態の当該フィルタを中心に位置決めするために前記連結端部から自由端部まで延びている複数の二次ストラットを有し、対をなす該二次ストラットが隣接する一次ストラットの間に位置決めされており、二次ストラットの各対は前記二次ストラットそれぞれ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、
血管内の血栓を捕捉するための取出し可能なフィルタ。 - 前記複数の一次ストラットの前記第1端部を軸方向に収容するように構成されたハブと、
前記血管から前記フィルタを取出すために前記複数の一次ストラットと反対側に前記ハブから延びている取出しフックと、
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。 - 前記弧状部分は第1湾曲部分および第2湾曲部分を有しており、前記第1湾曲部分は前記第1端部から延びており、前記第2湾曲部分は前記第1湾曲部分から延びていて、前記アンカー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。
- 前記第1湾曲部分は前記フィルタの前記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、前記第2湾曲部分は前記フィルタの前記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。
- 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2に記載の取出し可能なフィルタ。
- 前記第1直径は約6フレンチと14フレンチとの間の範囲であり、前記第2直径は約3フレンチと9フレンチとの間の範囲である、請求項2に記載の取出し可能なフィルタ。
- 前記二次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。
- 前記二次ストラットは、それらの温度が前記転移温度にほぼ等しいか或はそれより高いときに前記折畳み状態になる、請求項8に記載の取出し可能なフィルタ。
- 前記二次ストラットは、それらの温度が前記転移温度にほぼ等しいか或はそれより高いときに前記拡張状態へ拡張する、請求項8に記載の取出し可能なフィルタ。
- 各撚り部分の撚りの数は約1から10の間である、請求項1乃至10のいずれかに記載の取出し可能なフィルタ。
- 請求項1乃至11のいずれかに記載の取出し可能なフィルタと、
前記取出し可能なフィルタの回収または送達のために、前記折畳み状態の前記取出し可能なフィルタを収納する導入チューブと、
を備えている、血管内の血栓を捕捉するための取出し可能なフィルタアセンブリ。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56281304P | 2004-04-16 | 2004-04-16 | |
US56294304P | 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 | ||
US60/562,813 | 2004-04-16 | ||
US60/562,909 | 2004-04-16 | ||
US60/562,943 | 2004-04-16 | ||
PCT/US2005/013158 WO2005102210A1 (en) | 2004-04-16 | 2005-04-18 | Removable vena cava filter for reduced trauma in collapsed configuration |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007532267A JP2007532267A (ja) | 2007-11-15 |
JP2007532267A5 JP2007532267A5 (ja) | 2008-06-26 |
JP4918636B2 true JP4918636B2 (ja) | 2012-04-18 |
Family
ID=34966414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007508625A Active JP4918636B2 (ja) | 2004-04-16 | 2005-04-18 | 折畳み構成において損傷の少ない取出し可能な大静脈フィルタ |
Country Status (8)
Country | Link |
---|---|
US (2) | US7699867B2 (ja) |
EP (1) | EP1737382B1 (ja) |
JP (1) | JP4918636B2 (ja) |
AT (1) | ATE503438T1 (ja) |
AU (1) | AU2005235301B2 (ja) |
CA (1) | CA2562688A1 (ja) |
DE (1) | DE602005027189D1 (ja) |
WO (1) | WO2005102210A1 (ja) |
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- 2005-04-18 DE DE602005027189T patent/DE602005027189D1/de active Active
- 2005-04-18 AU AU2005235301A patent/AU2005235301B2/en active Active
- 2005-04-18 US US11/108,248 patent/US7699867B2/en active Active
- 2005-04-18 CA CA002562688A patent/CA2562688A1/en not_active Abandoned
- 2005-04-18 EP EP05737036A patent/EP1737382B1/en active Active
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US20100160956A1 (en) | 2010-06-24 |
EP1737382A1 (en) | 2007-01-03 |
US20050267512A1 (en) | 2005-12-01 |
AU2005235301B2 (en) | 2010-07-22 |
AU2005235301A1 (en) | 2005-11-03 |
ATE503438T1 (de) | 2011-04-15 |
US7699867B2 (en) | 2010-04-20 |
US8246651B2 (en) | 2012-08-21 |
JP2007532267A (ja) | 2007-11-15 |
WO2005102210A1 (en) | 2005-11-03 |
EP1737382B1 (en) | 2011-03-30 |
CA2562688A1 (en) | 2005-11-03 |
DE602005027189D1 (de) | 2011-05-12 |
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