JP2015535447A - 血栓フィルター及びその使用方法 - Google Patents
血栓フィルター及びその使用方法 Download PDFInfo
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- JP2015535447A JP2015535447A JP2015543265A JP2015543265A JP2015535447A JP 2015535447 A JP2015535447 A JP 2015535447A JP 2015543265 A JP2015543265 A JP 2015543265A JP 2015543265 A JP2015543265 A JP 2015543265A JP 2015535447 A JP2015535447 A JP 2015535447A
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- thrombus
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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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/04—Force
- F04C2270/042—Force radial
- F04C2270/0421—Controlled or regulated
Abstract
Description
Claims (10)
- シースと、捕捉口付きの血栓捕捉網と、血栓捕捉網をシースから出入りするように駆動するための第1挿入器具と、第1挿入器具を制御するための制御ノブと、を含む血栓フィルターにおいて、傘先が収束の記憶形状となる傘布と、一端が第2挿入器具と接続し、他端が傘布と接続する傘スタンドと、を含み、傘先の方向が捕捉口の方向と一致し、血栓捕捉網の外側に覆設される漏れ防止傘と、シース内に置かれ、漏れ防止傘を挿入・引抜くための第2挿入器具と、が更に設けられ、血栓捕捉網が解放される場合、漏れ防止傘の傘先は血栓捕捉網の捕捉口により広げられ、血栓捕捉網が戻される場合、血栓の漏れを防ぐために、漏れ防止傘の傘布は血栓捕捉網の捕捉口を覆い包み、漏れ防止傘の傘先は収束の形となることを特徴とする血栓フィルター。
- 前記血栓捕捉網と漏れ防止傘との何れも、記憶合金からなる網状構造であることを特徴とする請求項1に記載の血栓フィルター。
- 前記血栓捕捉網は網状構造であり、前記漏れ防止傘は記憶合金からなる傘スタンド及びその上に被せる濾過穴付きの被膜により構成されることを特徴とする請求項1に記載の血栓フィルター。
- 前記血栓捕捉網は網状構造であり、前記漏れ防止傘の傘布は記憶合金からなる網状のものであり、前記傘スタンドは傘布と接続する支持具であることを特徴とする請求項1に記載の血栓フィルター。
- 前記血栓捕捉網は骨組とその上に被せる濾過穴付きの被膜により構成され、前記漏れ防止傘の傘布は記憶合金からなる網状のものであり、前記傘スタンドは傘布と接続する支持具である請求項1に記載の血栓フィルター。
- 前記第2挿入器具は、第1挿入器具と同軸に設けられるように、第1挿入器具に摺動可能に覆設される管状のものであることを特徴とする請求項1乃至5の何れか一項に記載の血栓フィルター。
- 前記第1挿入器具は、中空部が輸送経路となる管状のものである請求項6に記載の血栓フィルター。
- 前記傘布は環状のものであり、環状の外縁が傘スタンドと接続する請求項1に記載の血栓フィルター。
- 前記血栓捕捉網は、一端が捕捉口であり、他端がシース内に差し込まれて前記第1挿入器具に繋げられた網底であることを特徴とする請求項1に記載の血栓フィルター。
- 請求項1に記載の血栓フィルターの使用方法において、
血栓捕捉網と漏れ防止傘とが入ったシースを血栓捕捉の必要のある血管部位に送り込むステップと、
シースを引き戻し、血栓捕捉網と漏れ防止傘をシース外に露出し、捕捉口を開く同時に、漏れ防止傘の傘先を広げ、血栓捕捉網が血流に逆らって血栓を捕捉するステップと、
血栓の捕捉が終了した後、血栓の漏れを防ぐように、第1挿入器具によって血栓捕捉網を戻し、漏れ防止傘の傘布が血栓捕捉網に対して前進し、傘布の開口部が記憶形状の収束力で収束するステップと、
漏れ防止傘の開口部が完全に収束した後、シースを押し付けて、漏れ防止傘をシース内に引き込むステップと、
血栓捕捉網と漏れ防止傘とが入ったシースを血管から抜き出すステップと、
を備えることを特徴とする血栓フィルターの使用方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210484480.4A CN102973332B (zh) | 2012-11-23 | 2012-11-23 | 血栓过滤器及其使用方法 |
CN201210484480.4 | 2012-11-23 | ||
PCT/CN2013/085167 WO2014079291A1 (zh) | 2012-11-23 | 2013-10-14 | 血栓过滤器及其使用方法 |
Publications (2)
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JP2015535447A true JP2015535447A (ja) | 2015-12-14 |
JP6034507B2 JP6034507B2 (ja) | 2016-11-30 |
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Application Number | Title | Priority Date | Filing Date |
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JP2015543265A Active JP6034507B2 (ja) | 2012-11-23 | 2013-10-14 | 血栓フィルター及びその使用方法 |
Country Status (7)
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US (1) | US10687932B2 (ja) |
EP (1) | EP2923673B1 (ja) |
JP (1) | JP6034507B2 (ja) |
CN (1) | CN102973332B (ja) |
BR (1) | BR112015011796B1 (ja) |
ES (1) | ES2645489T3 (ja) |
WO (1) | WO2014079291A1 (ja) |
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WO2014079291A1 (zh) | 2014-05-30 |
ES2645489T3 (es) | 2017-12-05 |
US10687932B2 (en) | 2020-06-23 |
EP2923673B1 (en) | 2017-07-26 |
BR112015011796A2 (pt) | 2017-07-11 |
US20150366650A1 (en) | 2015-12-24 |
EP2923673A1 (en) | 2015-09-30 |
CN102973332A (zh) | 2013-03-20 |
EP2923673A4 (en) | 2016-05-11 |
JP6034507B2 (ja) | 2016-11-30 |
CN102973332B (zh) | 2015-01-21 |
BR112015011796B1 (pt) | 2021-06-15 |
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