JP7373889B2 - グラフト固定装置、システム、および方法 - Google Patents
グラフト固定装置、システム、および方法 Download PDFInfo
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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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/856—Single tubular stent with a side portal passage
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/152—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel branching on and drawing blood from a blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/247—Positive displacement blood pumps
- A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
- A61M60/268—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders
- A61M60/274—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders the inlet and outlet being the same, e.g. para-aortic counter-pulsation blood pumps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/424—Details relating to driving for positive displacement blood pumps
- A61M60/427—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/857—Implantable blood tubes
- A61M60/859—Connections therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/861—Connections or anchorings for connecting or anchoring pumps or pumping devices to parts of the patient's body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1107—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis for blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1135—End-to-side connections, e.g. T- or Y-connections
-
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2002/068—Modifying the blood flow model, e.g. by diffuser or deflector
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
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- General Health & Medical Sciences (AREA)
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- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Prostheses (AREA)
- External Artificial Organs (AREA)
- Joining Of Building Structures In Genera (AREA)
- Piles And Underground Anchors (AREA)
Description
本出願は、2012年8月10日に出願された「GRAFT ANCHOR DEVICES, SYSTEMS, AND METHODS」という題名の米国特許仮出願第61/681,988号の優先権を主張し、該出願はその全体が参照により本明細書に組み入れられる。
本開示は、概して、医療装置、特に、グラフト材料を身体構造に固定するために有用な装置および方法に関する。
組織内殖を促進するインプラント材料、例えばグラフトが、医療技術において、特に血管の交換、強化、および/または修復を含む適用において使用され得る。これらの材料は天然由来でも天然由来でなくてもよく、患者内に埋め込まれると、患者由来の細胞および他の身体物質が材料に入り込んで、例えば、埋め込まれた材料の表面、周囲、および/または内部での新たな組織増殖をもたらすことができる。組織内殖は、そのようなインプラントの生体適合性を増強し得るが、過剰な組織増殖は、望ましくない合併症を結果としてもたらす可能性がある。
本開示は、ある特定の局面において、グラフト材料を身体構造の壁に固定するための独自の方法およびシステムを提供する。いくつかの方法およびシステムは、第1のグラフト構成要素を身体構造の壁に固定する段階であって、第1のグラフトの表面、周囲、および/または内部での新たな組織増殖が促進される段階を含む。第1のグラフト構成要素は、第2のグラフト構成要素の固定を容易に可能にするカフ構造を提供するように意図される。第2のグラフト構成要素および第1のグラフト構成要素は、同じまたは実質的に類似した材料、生物学的特性、機械的特性、および/または寸法を有してもよい。あるいは、第2のグラフト構成要素は、第1のグラフト構成要素とは違う材料、生物学的特性、機械的特性、および/または寸法を有してもよい。グラフトは、2つまたはそれより多い類似した構成要素または異なる構成要素から形成され得る。
第1の導管部および第2の導管部を有する、少なくとも1つの導管、
第2の導管部において該導管中に形成され、第2の導管部において渦を引き起こすように構成されている、少なくとも1つのパータベーション(perturbation)
を含む、血管グラフト。
[本発明1002]
第1の導管部が第1の材料を含み、第2の導管部が第1の材料とは違う第2の材料を含む、本発明1001の血管グラフト。
[本発明1003]
第1の材料がシリコーンゴムを含む、本発明1002の血管グラフト。
[本発明1004]
第2の材料が多孔性ePTFEを含む、本発明1002の血管グラフト。
[本発明1005]
第2の材料が織りDacronを含む、本発明1002の血管グラフト。
[本発明1006]
前記少なくとも1つのパータベーションが導管部の直径を減少させている、本発明1001の血管グラフト。
[本発明1007]
前記少なくとも1つのパータベーションが先細になっている、本発明1001の血管グラフト。
[本発明1008]
第1の導管部および第2の導管部が実質的に同じ直径を有する、本発明1001の血管グラフト。
[本発明1009]
前記少なくとも1つの導管に連結された血流補助システムをさらに含む、本発明1001の血管グラフト。
[本発明1010]
少なくとも1つの導管を形成する段階;
導管において第1の導管部を第2の導管部から分離するために、第1の導管部から第2の導管部へ流れる流体中に渦を引き起こすように構成されているパータベーションを、該少なくとも1つの導管中に形成する段階および取り付ける段階のうちの少なくとも1つの段階
を含む、血管グラフトを形成する方法。
[本発明1011]
血流補助システムを前記少なくとも1つの導管に連結する段階をさらに含む、本発明1010の方法。
[本発明1012]
第1の導管部および第2の導管部を有する少なくとも1つの導管であって、第2の導管部が第1の導管部に対して球状の部分を含む、少なくとも1つの導管;
第1の導管部の中に位置づけられ、スパイラル形状で形成されている、少なくとも1つの第1の支持支柱
第2の導管部の中に位置づけられている、少なくとも1つの第2の支持支柱
を含む、血管グラフト。
[本発明1013]
前記少なくとも1つの第2の支持支柱が、第2の導管部の前記球状の部分の外壁に縫合されている、本発明1012のシステム。
[本発明1014]
前記少なくとも1つの第2の支持支柱が、ステンレス鋼ワイヤーで構成されている、本発明1012のシステム。
[本発明1015]
前記少なくとも1つの導管に連結された血流補助システムをさらに含む、本発明1012のシステム。
前述の概念と、以下でより詳細に議論される追加の概念とのすべての組み合わせが(そのような概念が互いに矛盾していないという条件で)、本明細書において開示される本発明の主題の一部であるとして企図されることが、認識されるべきである。特に、本開示の最後に掲載された、特許請求される主題のすべての組み合わせは、本明細書において開示される本発明の主題の一部であるとして企図される。参照により組み入れられる任意の開示にも掲載されていてよい、本明細書において明確に使用される用語は、本明細書において開示される特定の概念と最も一致している意味を与えられるべきであることもまた、認識されるべきである。
グラフト固定を提供するための本発明の装置、システム、および方法に関連した種々の概念、ならびにその例示的態様について、以下でより詳細に説明する。
Claims (10)
- 第1の導管部および第2の導管部を有する、少なくとも1つの導管と、
該第1の導管部に位置付けられる少なくとも1つの第1の支持支柱であって、スパイラル形状で形成されている該少なくとも1つの第1の支持支柱と、
該第2の導管部に位置付けられる少なくとも1つの第2の支持支柱と
を含む、血管グラフトであって、
該第1の導管部が実質的に一定の直径を有するとともに該第2の導管部の第1端と接続し、該第2の導管部の第2端が血管に接続するように構成された開口を含み、
該第2の導管部が膨らんだ部分を有するコネクターであり、
該少なくとも1つの導管は、血液ポンプに連結するように構成され、該血液ポンプは、
ポンプ区画;
該ポンプ区画に接続する空気駆動ライン;
該空気駆動ラインに接続されたコントローラ;
該膨らんだ部分に延びるように構成されたポンプ先端部分;
を含み、かつ
該膨らんだ部分は、該ポンプ先端部分が該膨らんだ部分の内部に接触することなく該膨らんだ部分内で旋回するように構成されている、
血管グラフト。 - 前記ポンプ先端部分は、前記膨らんだ部分に延びる前に、前記第1の導管部に接続するようにさらに構成されている、請求項1記載の血管ドラフト。
- 前記第2の導管部の前記第2端が前記血管に接続するように構成されたコネクター部分をさらに含む、請求項1記載の血管ドラフト。
- 前記コネクター部分が、一端で前記膨らんだ部分に接続し、かつ他端で前記血管に接続するように構成された、請求項3記載の血管ドラフト。
- 前記第1の導管部は、第1の導管部材料を含み、前記第2の導管部は該第1の導管部材料とは違う第2の導管部材料を含む、請求項1記載の血管ドラフト。
- 前記第1の導管部材料がシリコーンゴムを含む、請求項5記載の血管ドラフト。
- 前記第1の導管部材料が金属またはプラスチックを含む、請求項5記載の血管ドラフト。
- 前記第2の導管部材料が多孔性ePTFEを含む、請求項5記載の血管ドラフト。
- 前記第2の導管部材料が織りDacron(登録商標)を含む、請求項5記載の血管ドラフト。
- 前記ポンプ先端部分は、金属またはプラスチックを含む、請求項1記載の血管ドラフト。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2023180669A JP2023178389A (ja) | 2012-08-10 | 2023-10-20 | グラフト固定装置、システム、および方法 |
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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