JP4922942B2 - フィルタ送出システム - Google Patents
フィルタ送出システム Download PDFInfo
- Publication number
- JP4922942B2 JP4922942B2 JP2007541208A JP2007541208A JP4922942B2 JP 4922942 B2 JP4922942 B2 JP 4922942B2 JP 2007541208 A JP2007541208 A JP 2007541208A JP 2007541208 A JP2007541208 A JP 2007541208A JP 4922942 B2 JP4922942 B2 JP 4922942B2
- Authority
- JP
- Japan
- Prior art keywords
- vascular filter
- catheter
- filter
- hook
- vascular
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000002792 vascular Effects 0.000 claims description 219
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 4
- 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 4
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 229920000431 shape-memory polymer Polymers 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 18
- 239000012530 fluid Substances 0.000 description 16
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 230000008901 benefit Effects 0.000 description 9
- 210000004204 blood vessel Anatomy 0.000 description 9
- 208000007536 Thrombosis Diseases 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 229910001092 metal group alloy Inorganic materials 0.000 description 5
- 210000001631 vena cava inferior Anatomy 0.000 description 5
- 239000012781 shape memory material Substances 0.000 description 4
- 240000001549 Ipomoea eriocarpa Species 0.000 description 3
- 235000005146 Ipomoea eriocarpa Nutrition 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 210000004072 lung Anatomy 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 210000004731 jugular vein Anatomy 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 208000010125 myocardial infarction Diseases 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 210000001321 subclavian vein Anatomy 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 210000005166 vasculature Anatomy 0.000 description 2
- 206010020100 Hip fracture Diseases 0.000 description 1
- 208000034693 Laceration Diseases 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- 208000010378 Pulmonary Embolism Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 239000000560 biocompatible material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- SZMZREIADCOWQA-UHFFFAOYSA-N chromium cobalt nickel Chemical compound [Cr].[Co].[Ni] SZMZREIADCOWQA-UHFFFAOYSA-N 0.000 description 1
- 210000003109 clavicle Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 229910000701 elgiloys (Co-Cr-Ni Alloy) Inorganic materials 0.000 description 1
- 230000003511 endothelial effect Effects 0.000 description 1
- 229920005570 flexible polymer Polymers 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000002885 thrombogenetic effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
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
- A61F2/0105—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
- A61F2230/0067—Three-dimensional shapes conical
-
- 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
Description
Claims (17)
- 脈管フィルタアセンブリであって、
脈管フィルタ部を備え、該脈管フィルタ部が、
スリーブと、
前記スリーブから遠位に延びる複数の細長い脚部とを備え、前記複数の細長い脚部は、前記スリーブの長手方向軸から径方向に拡張するように構成され、拡張位置でフィルタを形成し、前記複数の脚部それぞれは、脚部の遠位端に位置するフックを備え、それによって、前記脚部が体の脈管内で拡張すると、フックが脈管の内壁に係合し、前記脈管フィルタアセンブリがさらに、
フィルタ送出部を備え、該フィルタ送出部が、
近位端から遠位端まで延びる内腔を含む細長いカテーテルを備え、内腔は、前記脈管フィルタ部を受け取り、且つ前記脈管フィルタ部を圧縮構成で維持するように構成され、複数の溝は、前記遠位端において前記カテーテルの内側表面上に設けられ、前記溝は、前記フックを受け取り、且つ前記複数の脚部が、互いにもつれることを防止するように構成され、
前記細長いカテーテルは、可撓性管および前記可撓性管の遠位端に取り付けられたスプラインキャップを備え、前記スプラインキャップは、前記複数の溝を前記スプラインキャップの遠位端に有して構成され、前記溝は、前記スプラインキャップの内腔を囲む内壁に位置決めされ、前記溝は、前記フックを受け取り、且つ前記複数の脚部が、互いにもつれることを防止するように構成される、脈管フィルタアセンブリ。 - 前記フィルタ送出部は、前記脈管フィルタ部が、前記細長いカテーテルの遠位端から展開されるときに、前記スリーブに圧力を加えるために、前記細長いカテーテル内に摺動可能に位置決めされる可撓性ロッドをさらに備える、請求項1に記載の脈管フィルタアセンブリ。
- 前記脈管フィルタ部は、前記スリーブから遠位に延びる複数の腕をさらに備え、前記複数の腕は、拡張位置で第2のフィルタを形成するように、前記スリーブの長手方向軸から径方向に拡張するように構成される、請求項2に記載の脈管フィルタアセンブリ。
- 前記脈管フィルタ部は円錐状である、請求項1に記載の脈管フィルタアセンブリ。
- 前記腕は、前記カテーテルの内壁によって圧縮され、前記腕は、前記脈管フィルタ部が、前記カテーテルの内腔内に位置決めされると、前記複数の溝に係合しない、請求項3に記載の脈管フィルタアセンブリ。
- 前記溝それぞれについての前記カテーテルの長手方向軸に沿う長さは、5mm以下である、請求項2に記載の脈管フィルタアセンブリ。
- 前記溝それぞれについての前記カテーテルの長手方向軸に沿う長さは、3mm以下である、請求項2に記載の脈管フィルタアセンブリ。
- 前記脈管フィルタ部は、6つの細長い脚部を備え、前記細長いカテーテルは、前記カテーテルの内側周囲表面に沿って等間隔に位置決めされた6つの溝を装備する、請求項2に記載の脈管フィルタアセンブリ。
- 各前記細長い脚部および各前記腕は、ニチノールを含む、請求項3に記載の脈管フィルタアセンブリ。
- 各前記細長い脚部および各前記腕は、形状記憶ポリマーを含む、請求項3に記載の脈管フィルタアセンブリ。
- 各前記細長い脚部および各前記腕は、非鉄金属を含む、請求項3に記載の脈管フィルタアセンブリ。
- 各前記細長い脚部および各前記腕は、形状記憶合金を含む、請求項3に記載の脈管フィルタアセンブリ。
- 前記溝それぞれについての前記カテーテルの長手方向軸に沿う長さは、前記フックの対応する脚部それぞれの長手方向軸に沿うほぼ前記フックの長さである、請求項2に記載の脈管フィルタアセンブリ。
- 前記溝それぞれについての前記カテーテルの長手方向軸に沿う長さは、前記フックの対応する脚部それぞれの長手方向軸に沿う前記フックの長さの3倍以下である、請求項2に記載の脈管フィルタアセンブリ。
- 前記溝は、前記フックが前記溝内に設置されると、前記脈管フィルタ部が、カテーテルの内腔に沿って近位に摺動することを防止するように構成される、請求項1に記載の脈管フィルタアセンブリ。
- 前記スプラインキャップは金属を含む、請求項15に記載の脈管フィルタアセンブリ。
- 前記溝それぞれは、前記フックが前記溝から外へ摺動することを可能にするように、遠位端開口を前記スプラインキャップの遠位端で有して構成され、前記溝それぞれの近位端は、棚状部を含み、該棚状部は、前記フックをブロックし、且つ前記脈管フィルタ部が、前記可撓性管の長さに沿って近位方向に移動することを防止する、請求項1に記載の脈管フィルタアセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/986,714 | 2004-11-12 | ||
US10/986,714 US7794473B2 (en) | 2004-11-12 | 2004-11-12 | Filter delivery system |
PCT/US2005/037922 WO2006055174A2 (en) | 2004-11-12 | 2005-10-20 | Filter delivery system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008519653A JP2008519653A (ja) | 2008-06-12 |
JP4922942B2 true JP4922942B2 (ja) | 2012-04-25 |
Family
ID=36387404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007541208A Expired - Fee Related JP4922942B2 (ja) | 2004-11-12 | 2005-10-20 | フィルタ送出システム |
Country Status (7)
Country | Link |
---|---|
US (4) | US7794473B2 (ja) |
EP (3) | EP1809362B1 (ja) |
JP (1) | JP4922942B2 (ja) |
CA (1) | CA2584663C (ja) |
ES (1) | ES2635609T3 (ja) |
MX (1) | MX2007005729A (ja) |
WO (1) | WO2006055174A2 (ja) |
Families Citing this family (105)
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2005
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US10512531B2 (en) | 2019-12-24 |
EP1809362B1 (en) | 2019-01-09 |
CA2584663C (en) | 2018-05-29 |
EP2630933A1 (en) | 2013-08-28 |
EP2630933B1 (en) | 2017-06-14 |
US7794473B2 (en) | 2010-09-14 |
US20150230908A1 (en) | 2015-08-20 |
EP1809362A2 (en) | 2007-07-25 |
US8992562B2 (en) | 2015-03-31 |
WO2006055174A3 (en) | 2007-06-28 |
EP3530233A1 (en) | 2019-08-28 |
MX2007005729A (es) | 2007-07-09 |
US20110034952A1 (en) | 2011-02-10 |
JP2008519653A (ja) | 2008-06-12 |
US20170360545A1 (en) | 2017-12-21 |
US20060106417A1 (en) | 2006-05-18 |
ES2635609T3 (es) | 2017-10-04 |
WO2006055174A2 (en) | 2006-05-26 |
CA2584663A1 (en) | 2006-05-26 |
EP1809362A4 (en) | 2011-01-26 |
US9693851B2 (en) | 2017-07-04 |
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