JP4898988B2 - 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 - Google Patents
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 Download PDFInfo
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- JP4898988B2 JP4898988B2 JP2007508642A JP2007508642A JP4898988B2 JP 4898988 B2 JP4898988 B2 JP 4898988B2 JP 2007508642 A JP2007508642 A JP 2007508642A JP 2007508642 A JP2007508642 A JP 2007508642A JP 4898988 B2 JP4898988 B2 JP 4898988B2
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- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 6
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- IUXLMVJVLRVTOH-UHFFFAOYSA-N chromium cobalt iron molybdenum nickel Chemical compound [Cr].[Fe].[Co].[Ni].[Mo] IUXLMVJVLRVTOH-UHFFFAOYSA-N 0.000 claims description 3
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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
-
- 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
-
- 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
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
本願は「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」と称せられる2004年4月16日に出願された米国仮出願第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 (13)
- 複数の一次ストラットと、
複数の二次ストラットと、
を備え、折畳み状態及び拡張状態を有する、血管内の血栓を捕捉するための回収可能なフィルタであって、
該複数の一次ストラットはそれぞれ、該拡張状態において、その第1端部からアンカーフックまで、長手方向軸線に沿って弧状に、かつ、半径方向に直線状に延び、該複数の一次ストラットの第1端部は、該長手方向軸線に沿って一緒に取付けられており、
該二次ストラットは該一次ストラットよりも短く、該複数の二次ストラットはそれぞれ、該拡張状態において、その第1端部から自由端部まで、該長手方向軸線に沿って弧状に、かつ、半径方向に直線状に延び、該二次ストラットの該第1端部から延びて該長手方向軸線から離れる方向に曲がる第1円弧部と該第1円弧部から更に延びて該長手軸線方向に沿う方向に曲がる第2円弧部とを有し、該複数の二次ストラットの第1端部は該長手方向軸線に沿って一緒に取付けられており、該複数の二次ストラットは、該拡張状態において該フィルタを血管内でその中心に位置決めするようにされており、該フィルタが送出管内から送出されて展開する際に、該一次ストラットの該アンカーフック側が後に送出される場合および該アンカーフック側が先に送出される場合のいずれにおいても、該二次ストラットが該一次ストラットよりも先に拡張して血管に係合し、該フィルタの姿勢を安定化させるようになされている、回収可能なフィルタ。 - 該複数の一次ストラットの該第1端部を軸方向に収容するようにされたハブと、
該血管から該フィルタを回収するための該複数の一次ストラットとは反対側に該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に記載の回収可能なフィルタ。 - 該弧状とされた部位は、第1湾曲部分及び第2湾曲部分を有しており、該第1湾曲部分は該第1端部から延びており、該第2湾曲部分は該第1湾曲部分から延び、該アンカーフックで終端している、請求項1に記載の回収可能なフィルタ。
- 該第1湾曲部分は、該フィルタの該長手方向軸線から半径方向に延びるようにされ、該第2湾曲部分は該フィルタの該長手方向軸線に向かって半径方向に延びるようにされている、請求項3に記載の回収可能なフィルタ。
- 該第1及び第2湾曲部分は、該フィルタの該長手方向軸線と非平行な関係を有するようにされている、請求項3に記載の回収可能なフィルタ。
- 該一次ストラットはそれぞれ、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‐クロム合金から形成されている、請求項1乃至5のいずれかに記載の回収可能なフィルタ。
- 二次ストラットはそれぞれ、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‐クロム合金から形成されている、請求項1乃至6のいずれかに記載の回収可能なフィルタ。
- 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、撚り部分を形成している、請求項1乃至7のいずれかに記載の回収可能なフィルタ。
- 該撚り部分はそれぞれ、およそ1から10箇所の撚りを有している、請求項8に記載のフィルタ。
- 該一次及び二次ストラットは転移温度を有する形状記憶合金から形成されている、請求項1乃至9のいずれかに記載の回収可能なフィルタ。
- 該一次及び二次ストラットは、それらの温度が該転移温度にほぼ等しい又は高いときに該折畳み状態へ折畳まれる、請求項10に記載の回収可能なフィルタ。
- 該一次及び二次ストラットは、それらの温度が該転移温度にほぼ等しい又は高いときに該拡張状態へ拡張する、請求項10に記載の回収可能なフィルタ。
- 該拡張状態にある該アンカーフックが、第一の軸部分を画定し、該拡張状態にある該二次ストラットの該自由端部が、第二の軸部分を画定する、請求項1乃至12のいずれかに記載の回収可能なフィルタ。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56280904P | 2004-04-16 | 2004-04-16 | |
US56317604P | 2004-04-16 | 2004-04-16 | |
US56290904P | 2004-04-16 | 2004-04-16 | |
US56281304P | 2004-04-16 | 2004-04-16 | |
US60/562,813 | 2004-04-16 | ||
US60/563,176 | 2004-04-16 | ||
US60/562,809 | 2004-04-16 | ||
US60/562,909 | 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 |
---|---|
JP2007532271A JP2007532271A (ja) | 2007-11-15 |
JP2007532271A5 JP2007532271A5 (ja) | 2008-06-19 |
JP4898988B2 true JP4898988B2 (ja) | 2012-03-21 |
Family
ID=34966407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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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 |
Country Status (7)
Country | Link |
---|---|
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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-
2005
- 2005-04-18 US US11/108,254 patent/US8105349B2/en active Active
- 2005-04-18 EP EP05737816.8A patent/EP1737383B1/en active Active
- 2005-04-18 DK DK05737816.8T patent/DK1737383T3/en active
- 2005-04-18 AU AU2005234752A patent/AU2005234752B2/en active Active
- 2005-04-18 JP JP2007508642A patent/JP4898988B2/ja active Active
- 2005-04-18 CA CA2562690A patent/CA2562690C/en active Active
- 2005-04-18 EP EP09179326A patent/EP2158874A1/en not_active Withdrawn
- 2005-04-18 WO PCT/US2005/013322 patent/WO2005102213A1/en active Application Filing
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AU2005234752A1 (en) | 2005-11-03 |
CA2562690A1 (en) | 2005-11-03 |
JP2007532271A (ja) | 2007-11-15 |
US20050267513A1 (en) | 2005-12-01 |
CA2562690C (en) | 2012-07-17 |
EP2158874A1 (en) | 2010-03-03 |
WO2005102213A1 (en) | 2005-11-03 |
EP1737383A1 (en) | 2007-01-03 |
US8105349B2 (en) | 2012-01-31 |
EP1737383B1 (en) | 2014-10-15 |
AU2005234752B2 (en) | 2010-12-16 |
DK1737383T3 (en) | 2015-01-12 |
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