JP2021521972A - 脳血管系を保護するためのシステムと方法 - Google Patents
脳血管系を保護するためのシステムと方法 Download PDFInfo
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- JP2021521972A JP2021521972A JP2020559418A JP2020559418A JP2021521972A JP 2021521972 A JP2021521972 A JP 2021521972A JP 2020559418 A JP2020559418 A JP 2020559418A JP 2020559418 A JP2020559418 A JP 2020559418A JP 2021521972 A JP2021521972 A JP 2021521972A
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- Prior art keywords
- proximal
- distal
- protection system
- filter
- inner member
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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
- A61F2/013—Distal protection devices, i.e. devices placed distally in combination with another endovascular procedure, e.g. angioplasty or stenting
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/9517—Instruments specially adapted for placement or removal of stents or stent-grafts handle assemblies therefor
-
- 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
- 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
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0008—Rounded shapes, e.g. with rounded corners elliptical or oval
-
- 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
- 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
- A61F2230/0095—Saddle-shaped
Abstract
Description
上記の例のいずれかに代替的又は追加的に、別の例では、塞栓保護システムは、自己拡張フレームに結合された遠位フィルタ膜をさらに備え得る。
上記の例のいずれかに代替的又は追加的に、別の例では、塞栓保護システムは、大動脈リングの近位端から近位結合チューブまで延びる大動脈リングコネクタをさらに備え得る。
上記の例のいずれかに代替的又は追加的に、別の例では、ハンドルは、送達ワイヤの近位端に結合された第3の作動メカニズムをさらに備え得る。
上記の例のいずれかに代替的又は追加的に、別の例では、塞栓保護システムは、大動脈リングの遠位端と遠位アンカメカニズムの自己拡張フレームとの間に延びる遠位支持ストラットをさらに備え得る。
上記の例のいずれかに代替的又は追加的に、別の例では、外側シースの遠位端領域は撓み可能であり得る。
上記の例のいずれかに代替的又は追加的に、別の例では、大動脈リングコネクタは、湾曲した形状を含み得る。
例示の実施態様の上記の要約は、開示された各実施形態又は本発明のすべての実施を説明することを意図するものではない。
本明細書では、すべての数値は、明示的に示されているかどうかにかかわらず、「約」という用語で修飾されていると想定されている。「約」という用語は、一般に、当業者が列挙された値と同等であると考える(つまり、同じ機能又は結果を有する)数値の範囲を指す。多くの場合、「約」という用語は、最も近い有効数字に丸められた数値を含むことを示している場合がある。
様々な構成要素、特徴及び/又は仕様に関連するいくつかの適切な寸法範囲及び/又は値が開示されているが、本発明によって刺激される当業者は、望ましい寸法、範囲及び/又は値がそれらの明示的な開示から逸れる可能性があることを理解するであろう。
Claims (15)
- 脳血管系を隔離するための塞栓保護システムであって、
近位端及び遠位端を有する細長の外側シースと、
前記外側シースのルーメンを通って延びる内側部材と、
前記内側部材の遠位端領域に結合された遠位アンカメカニズムと、
前記内側部材と前記外側シースとの間に担持される近位フィルタ膜であって、左鎖骨下動脈から腕頭動脈まで延びるように構成された前記近位フィルタ膜と、
前記近位フィルタ膜に結合されるとともに、当該近位フィルタ膜で大動脈の壁をシールするように構成される大動脈支持フープと、
前記内側部材の近位端に結合された第1の作動メカニズムと、前記外側シースの近位端に結合された第2の作動メカニズムとを含むハンドルと、
を備えた塞栓保護システム。 - 前記遠位アンカメカニズムが自己拡張フレームを備える、請求項1に記載の塞栓保護システム。
- 前記自己拡張フレームに結合された遠位フィルタ膜をさらに備える、請求項2に記載の塞栓保護システム。
- 前記近位フィルタ膜の近位フィルタバッグ終端に結合された近位結合チューブをさらに備える、請求項1〜3のいずれか一項に記載の塞栓保護システム。
- 前記大動脈リングの近位端から前記近位結合チューブまで延びる大動脈リングコネクタをさらに備える、請求項4に記載の塞栓保護システム。
- 前記チューブに結合されるとともに、前記ハンドルに対して近位方向に延びる送達ワイヤをさらに備える、請求項5に記載の塞栓保護システム。
- 前記ハンドルが、前記送達ワイヤの近位端に結合された第3の作動メカニズムをさらに備える、請求項6に記載の塞栓保護システム。
- 前記内側部材が前記近位結合チューブのルーメン内にスライド可能に配置される、請求項4〜7のいずれか一項に記載の塞栓保護システム。
- 前記大動脈リングの遠位端と前記遠位アンカメカニズムの自己拡張フレームとの間に延びる遠位支持ストラットをさらに備える、請求項2に記載の塞栓保護システム。
- 前記大動脈リングの近位端から前記内側部材と大動脈リングコネクタとの周りに配置された接続チューブまで延びる、前記大動脈リングコネクタをさらに備え、前記接続チューブは、近位フィルタ膜の近位フィルタバッグ終端に対して遠位である、請求項1〜3のいずれか一項に記載の塞栓保護システム。
- 前記近位フィルタ膜の近位バッグ終端に結合された近位結合チューブと、前記近位結合チューブに結合されるとともに、前記ハンドルに対して近位に延びる送達ワイヤとをさらに備える、請求項10に記載の塞栓保護システム。
- 前記大動脈リングコネクタに結合されるとともに、前記ハンドルに対して近位方向に延びる大動脈リング留置ワイヤをさらに備える、請求項11に記載の塞栓保護システム。
- 前記外側シース、前記内側部材、前記送達ワイヤ、及び大動脈リング留置ワイヤは、個別に作動可能である、請求項12に記載の塞栓保護システム。
- 前記外側シースの遠位端領域は、撓み可能である、請求項1〜13のいずれか一項に記載の塞栓保護システム。
- 前記近位結合チューブに隣接する内側部材の断面形状が非円形であり、かつ、前記近位結合チューブの少なくとも一部が非円形の断面形状を有する、請求項8に記載の塞栓保護システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862663117P | 2018-04-26 | 2018-04-26 | |
US62/663,117 | 2018-04-26 | ||
PCT/US2019/029265 WO2019210118A1 (en) | 2018-04-26 | 2019-04-26 | Systems for protecting the cerebral vasculature |
Publications (2)
Publication Number | Publication Date |
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JP2021521972A true JP2021521972A (ja) | 2021-08-30 |
JP7093849B2 JP7093849B2 (ja) | 2022-06-30 |
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JP2020559418A Active JP7093849B2 (ja) | 2018-04-26 | 2019-04-26 | 脳血管系を保護するためのシステムと方法 |
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US (2) | US11439491B2 (ja) |
EP (1) | EP3784168B1 (ja) |
JP (1) | JP7093849B2 (ja) |
CN (1) | CN112334093A (ja) |
WO (1) | WO2019210118A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US11707351B2 (en) | 2019-08-19 | 2023-07-25 | Encompass Technologies, Inc. | Embolic protection and access system |
WO2021102249A1 (en) * | 2019-11-20 | 2021-05-27 | Bedrosian Global, Llc | System for cerebral embolic protection during heart valve procedure |
WO2021104063A1 (zh) * | 2019-11-28 | 2021-06-03 | 上海微创医疗器械(集团)有限公司 | 一种栓塞保护装置 |
CN113229886B (zh) * | 2021-04-16 | 2022-07-01 | 核工业总医院 | 一种脑保护系统 |
CN114569284B (zh) * | 2022-03-29 | 2024-03-15 | 上海以心医疗器械有限公司 | 脑保护装置 |
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US11439491B2 (en) | 2022-09-13 |
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