JP6720180B2 - 移動防止要素を備えたステント - Google Patents
移動防止要素を備えたステント Download PDFInfo
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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
- A61F2/82—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
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
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- 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
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
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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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/92—Stents in the form of a rolled-up sheet expanding after insertion into the vessel, e.g. with a spiral shape in cross-section
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- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/065—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes starting from a specific blank, e.g. tailored blank
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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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
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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
- A61F2/0077—Special surfaces of prostheses, e.g. for improving ingrowth
- A61F2002/0081—Special surfaces of prostheses, e.g. for improving ingrowth directly machined on the prosthetic surface, e.g. holes, grooves
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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
- A61F2002/825—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having longitudinal struts
-
- 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
- A61F2002/8483—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
- 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
- A61F2002/8486—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 provided on at least one of the ends
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
- A61F2220/0016—Fixation appliances for connecting prostheses to the body with sharp anchoring protrusions, e.g. barbs, pins, spikes
-
- 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
- A61F2230/0017—Angular shapes
- A61F2230/0023—Angular shapes triangular
-
- 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
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (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)
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- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
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- Optics & Photonics (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
一実施形態では、体内プロテーゼは、第1の端、第2の端及び、長軸に沿ってその内部を貫通して延びる管腔を備える拡張可能な管状のフレームワークから成る。拡張可能な管状のフレームワークは、相互に連結された複数の支柱を備える。相互に連結された支柱は、移動防止溝の間に形成される移動防止歯を画定する複数の移動防止溝を備える、径方向外方へ向かう面を備える。移動防止歯は、身体の管腔内で体内プロテーゼの移動に抵抗するために、組織と係合するように構成される。
追加的にまたは代替的に、第1側面は、長軸に対して鋭角をなし、径方向外方へ第1の端に向かって傾斜している。
追加的にまたは代替的に、第1側面の角度は、第2側面の角度より小さい。
追加的にまたは代替的に、移動防止歯は、第1側面と第2側面の両方に交差する平坦な表面をさらに備える。
追加的にまたは代替的に、移動防止歯の第1部分は、第1の端に向かって傾斜された第1側面と第2側面のうちの少なくとも一方を備え、移動防止歯の第2部分は、第2の端に向かって傾斜された第1側面と第2側面のうちの少なくとも一方を備える。
追加的にまたは代替的に、移動防止歯の第1部分は、第2の端の近位に配置され、移動防止歯の第2部分は、第1の端に配置される。
追加的にまたは代替的に、移動防止歯は、一般的に長軸に対して直交して配置される。
追加的にまたは代替的に、移動防止溝は、支柱の中に支柱の厚みの約1%乃至10%の深さに延びる。
追加的にまたは代替的に、第2側面は、長軸に対して鋭角をなして、径方向外方へ第1の端に向かって傾斜している。
追加的にまたは代替的に、移動防止歯は、第1側面と第2側面の両方に交差する平坦な表面をさらに含む。
いくつかの実施形態の例についての上記の概要は、開示された実施形態の各々を説明することまたは発明の態様の全ての実施を説明することを目的としていない。
本発明の態様は、種々の変化形および代替形が可能であるが、それらの内の特別なものが、例示することを目的として図面に示され、詳細に説明されている。しかしながら、その意図は、本発明の態様を説明される特別な実施形態に限定することではないことに留意されたい。むしろ、その意図は、本願発明の精神と範囲に入る全ての変化物、均等物、変更物を包含することにある。
ある用語の定義には、請求項または本明細書の他の場所において異なる定義が与えられない限り、以下に与えられ、且つ使用されるものとする。
種々の構成要素、要素、及び又は特徴を開示するためのある好適な次元、範囲及び/又は値が開示されているが、当業者であって、本発明によって動機づけられた者であれば、所望の次元、範囲及び/又は値がこれらの明示された内容からはずれ得ることを理解するであろう。
Claims (9)
- 第1の端、第2の端、および長軸に沿って中を貫通して延びる管腔を備える拡張可能な管状のフレームワークからなる体内プロテーゼであって、前記拡張可能な管状のフレームワークが相互に連結された複数の支柱を備えることと、
前記相互に連結された複数の支柱が、径方向外方に向かう面を有することと、
前記径方向外方に向かう面が、移動防止溝の間に形成される移動防止歯を画定する複数の移動防止溝を有することと、
前記移動防止歯が、組織に係合して身体の管腔の内側で体内プロテーゼの移動に抵抗することと、
前記移動防止歯の各歯が、第1側面と前記第1側面に向かって前記移動防止歯の径方向の最外部の線に沿った頂部に収束する第2側面とを備えることと、前記線に沿った頂部が、前記相互に連結された複数の支柱の前記径方向外方に向かう面において、前記拡張可能な管状フレームワークの径方向最外面に一致することと、
前記移動防止歯の第1部分が前記拡張可能な管状フレームワークの第1の端に向かって傾斜する前記第1側面と前記第2側面の双方を有することと、前記移動防止歯の第2部分が前記拡張可能な管状フレームワークの第2の端に向かって傾斜する前記第1側面と前記第2側面の双方を有することと
からなる、体内プロテーゼ。 - 前記第1側面は、長軸に対して鋭角をなし、径方向外方に向かって傾斜している、請求項1に記載の体内プロテーゼ。
- 前記第2側面は、長軸に対して鋭角をなし、径方向外方に向かって傾斜している、請求項2に記載の体内プロテーゼ。
- 前記第1側面の角度は、前記第2側面の角度より小さい、請求項3に記載の体内プロテーゼ。
- 前記移動防止歯の第1部分は、前記第1の端の近位に配置され、且つ前記移動防止歯の第2部分は、前記第2の端の近位に配置される、請求項1に記載の体内プロテーゼ。
- 前記移動防止歯の第1部分は、前記第2の端の近位に配置され、且つ前記移動防止歯の第2部分は、前記第1の端の近位に配置される、請求項1に記載の体内プロテーゼ。
- 前記拡張可能な管状のフレームワークは、前記移動防止歯の第1部分と前記移動防止歯の第2部分の間で移動防止歯を欠く、請求項5または6に記載の体内プロテーゼ。
- 管状の部材から拡張可能な管状のフレームワークを形成することと、
前記拡張可能な管状フレームワークは、第1の端と、第2の端と、長軸に沿ってその中を貫通して延びる管腔と、相互に連結されて径方向外方に向かう表面を有する複数の支柱とを備え、
前記径方向外方に向かう表面内に複数の移動防止溝を形成することによって隣接する移動防止溝の間に複数の移動防止歯を画定することと、
前記移動防止歯の各歯は、第1側面と、前記第1側面に向かって前記移動防止歯の径方向の最外部の線に沿った頂部に収束する第2側面と、を備え、前記線に沿った頂部が、前記支柱の前記径方向外方に面する面において、前記拡張可能な管状フレームワークの径方向最外面に一致することと、
前記移動防止歯の第1部分が前記拡張可能な管状フレームワークの第1の端に向かって傾斜する前記第1側面と前記第2側面の双方を有することと、前記移動防止歯の第2部分が前記拡張可能な管状フレームワークの第2の端に向かって傾斜する前記第1側面と前記第2側面の双方を有することと
を備える体内プロテーゼの形成方法。 - 前記第1側面は、長軸から鋭角をなして、径方向外方に向かって傾斜し、
前記第2側面は、長軸から鋭角をなして、径方向外方に向かって傾斜し、
前記第1側面の角度は、前記第2側面の角度より小さい、請求項8に記載の方法。
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JP2020042576A JP6975815B2 (ja) | 2014-12-19 | 2020-03-12 | 移動防止要素を備えたステント |
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US201462094216P | 2014-12-19 | 2014-12-19 | |
US62/094,216 | 2014-12-19 | ||
PCT/US2015/066611 WO2016100789A1 (en) | 2014-12-19 | 2015-12-18 | Stent with anti-migration features |
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WO2016100789A1 (en) | 2016-06-23 |
KR102097542B1 (ko) | 2020-04-06 |
US10117761B2 (en) | 2018-11-06 |
JP2020116399A (ja) | 2020-08-06 |
US20160175122A1 (en) | 2016-06-23 |
EP3232993B1 (en) | 2019-09-11 |
CN107405190B (zh) | 2019-12-17 |
EP3232993A1 (en) | 2017-10-25 |
JP6975815B2 (ja) | 2021-12-01 |
JP2017537740A (ja) | 2017-12-21 |
KR20170096183A (ko) | 2017-08-23 |
CN107405190A (zh) | 2017-11-28 |
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