JP7155247B2 - 移植可能な人工弁のためのスカートアセンブリ - Google Patents
移植可能な人工弁のためのスカートアセンブリ Download PDFInfo
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- JP7155247B2 JP7155247B2 JP2020508587A JP2020508587A JP7155247B2 JP 7155247 B2 JP7155247 B2 JP 7155247B2 JP 2020508587 A JP2020508587 A JP 2020508587A JP 2020508587 A JP2020508587 A JP 2020508587A JP 7155247 B2 JP7155247 B2 JP 7155247B2
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
- A61F2/2415—Manufacturing methods
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2409—Support rings therefor, e.g. for connecting valves to tissue
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
- A61F2/2418—Scaffolds therefor, e.g. support stents
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2469—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with resilient valve members, e.g. conical spiral
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/16—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/18—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
- 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
- A61F2210/0057—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof stretchable
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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
- 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
- A61F2210/0066—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof shrinkable
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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
- 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
- A61F2210/0076—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof multilayered, e.g. laminated structures
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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
- 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
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable
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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
- 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
- A61F2230/0054—V-shaped
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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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0039—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in diameter
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0069—Sealing means
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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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
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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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00035—Other metals or alloys
- A61F2310/00071—Nickel or Ni-based alloys
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/20—Materials or treatment for tissue regeneration for reconstruction of the heart, e.g. heart valves
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- Health & Medical Sciences (AREA)
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- Biomedical Technology (AREA)
- Oral & Maxillofacial Surgery (AREA)
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- Transplantation (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Chemical & Material Sciences (AREA)
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Description
開示された実施形態は、心臓の生来の輪(例えば、肺、僧帽弁、および三尖弁の輪)のいずれかに人工デバイスを送達および移植するのに適合され得るとともに、様々な送達手段(例えば、逆行、順行、経中隔、経心室、経心房などの)のいずれかと共に使用されてもよいことを理解されたい。
12 ステント、フレーム、ベアフレーム
14 弁構造、弁尖構造
15 スカートアセンブリ
16 内側スカート
18 外側スカート
20 スロット、接合部窓
22 角度付き支柱、支柱
24 角度付き支柱、支柱
26 角度付き支柱、支柱
28 角度付き支柱、支柱
30 窓フレーム部分、フレーム部分
31 軸方向に延在する支柱、軸方向支柱、支柱
32 角度付き支柱
34 軸方向に延在する支柱、支柱
36 開口部
38 開口部
40 弁尖
42a 比較的大きい角度
42b 比較的大きい角度
42c 比較的大きい角度
42d 比較的大きい角度
42e 比較的大きい角度
44 結節または連結部、連結部
46 結節または連結部、連結部
48 入口端
50 出口端
52 曲がったほぼU形の入口縁または尖端縁、流入縁または尖端縁、流入縁
54 入口端
56 出口端
58 接合部
60 開口部
64 連結部
66 拡張部分または突出部、突出部
68 凹部
70 縫合糸
72 第1の側
74 第2の側、フレームに面する側
84 第1のカバー部材、封緘層、層
86 第2のカバー部材、封緘層、層
88 補強層、織物層、層、下にある織物層
90 窓または開口部、窓
92 マスク
94 選択領域、物理的マスク
96 織物単繊維、繊維、紡績糸、単繊維、織物糸
96a 単繊維
96b 単繊維
98 縫合糸
100 心軸
102 針
104 第1の端部
106 第2の端部
108 先端、針先端
Claims (20)
- 移植可能な人工弁を作製する方法であって、
第1のカバー部材と第2のカバー部材との間に配設された織物層を備える積層体であって、前記第2のカバー部材は、前記織物層が露出される1つまたは複数の窓を備える、積層体を形成するステップと、
環状フレームに対して前記積層体を設置するステップと、
前記第2のカバー部材の前記1つまたは複数の窓において前記環状フレームの一部のまわりで前記織物層に縫合糸を通すことによって前記積層体を前記環状フレームに縫合するステップとを含む方法。 - 前記積層体は、血液がフレーム開口部を通って流れるのを防止するように、前記環状フレーム内の前記フレーム開口部を覆うようにサイズ決めおよび成形された環状スカートを備える、請求項1に記載の方法。
- 前記環状スカートは、前記環状フレームの内側に配置される、請求項2に記載の方法。
- 前記第1のカバー部材および前記第2のカバー部材は、前記織物層内の開口部を通して互いに融合されている、請求項1から3のいずれか一項に記載の方法。
- 前記積層体を形成する行為は、エレクトロスピニングによって前記第1のカバー部材を形成するステップと、エレクトロスピンされた前記第1のカバー部材上に前記織物層を設置するステップと、エレクトロスピニングによって前記織物層上に前記第2のカバー部材を形成するステップとを含む、請求項1から4のいずれか一項に記載の方法。
- 前記積層体を形成する行為は、前記第2のカバー部材が前記織物層を覆って形成されるときに、前記第2のカバー部材内に前記1つまたは複数の窓を形成するように、前記第2のカバー部材を形成するステップの前に、前記織物層上の1つまたは複数の領域をマスクするステップをさらに含む、請求項5に記載の方法。
- 前記積層体を形成する行為は、前記織物層の少なくとも一方の側の1つまたは複数の領域をマスキング材でマスクするステップと、液化されたポリマー材料に前記織物層を浸漬するステップと、前記液化されたポリマー材料が硬化することを可能にするステップと、前記積層体内に前記1つまたは複数の窓を形成するように前記マスキング材を除去するステップとを含む、請求項1から4のいずれか一項に記載の方法。
- 前記第2のカバー部材内の前記1つまたは複数の窓は、円周方向に前記積層体のまわりで連続的に延在する、請求項2に記載の方法。
- 前記第1のカバー部材および前記第2のカバー部材は、エラストマー材料を含む、請求項1に記載の方法。
- 前記エラストマー材料は、ePTFE、またはUHMWPE、またはポリウレタンを含む、請求項9に記載の方法。
- 複数のフレーム部材を有する環状フレームと、
第1のカバー部材と第2のカバー部材との間に挟まれた織物層を有する積層体を備えるスカートアセンブリであって、前記織物層は、前記第2のカバー部材内の1つまたは複数の窓において露出される、スカートアセンブリと
を備える移植可能な人工弁であって、
前記スカートアセンブリは、前記1つまたは複数の窓において前記複数のフレーム部材の少なくとも1つのまわりで前記織物層を通って延在する縫合糸によって前記環状フレームに結合される、移植可能な人工弁。 - 前記スカートアセンブリは、前記環状フレームの内側に配置される、請求項11に記載の移植可能な人工弁。
- 前記スカートアセンブリに縫合された複数の弁尖をさらに備え、前記弁尖は、前記人工弁を通る第1の方向の血液の流れを許容し、前記第1の方向とは反対の第2の方向の前記人工弁を通る血液の流れを阻止するように構成されている、請求項12に記載の移植可能な人工弁。
- 前記第1のカバー部材および前記第2のカバー部材は、前記織物層内の開口部を通して互いに融合されている、請求項11から13のいずれか一項に記載の移植可能な人工弁。
- 前記第1のカバー部材または前記第2のカバー部材は、不織繊維の膜を備える、請求項11から14のいずれか一項に記載の移植可能な人工弁。
- 前記第1のカバー部材または前記第2のカバー部材は、非吸収性であるとともに、周囲組織の内部成長を促進して体管腔内に前記人工弁を固定するのを助ける多孔性微細構造を有する、請求項11から15のいずれか一項に記載の移植可能な人工弁。
- 前記環状フレームは、入口端と出口端とを有し、径方向に折り畳み可能および拡張可能に構成されており、前記複数のフレーム部材は、前記フレーム部材間に複数の間隙を画定し、前記スカートアセンブリは、前記スカートアセンブリによって覆われている前記環状フレーム内の前記間隙を通って血液が流れるのを防止するように構成されている、請求項11から16のいずれか一項に記載の移植可能な人工弁。
- 前記スカートアセンブリは、前記第2のカバー部材内の前記1つまたは複数の窓においてのみ前記環状フレームに縫合されている、請求項11に記載の移植可能な人工弁。
- 前記第1のカバー部材および前記第2のカバー部材は、エラストマー材料を含む、請求項11に記載の移植可能な人工弁。
- 前記エラストマー材料は、ePTFE、またはUHMWPE、またはポリウレタンを含む、請求項19に記載の移植可能な人工弁。
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| US16/059,913 US10932903B2 (en) | 2017-08-15 | 2018-08-09 | Skirt assembly for implantable prosthetic valve |
| PCT/US2018/046487 WO2019036359A1 (en) | 2017-08-15 | 2018-08-13 | SKIRT SET FOR IMPLANTABLE PROSTHETIC VALVE |
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| KR102619513B1 (ko) | 2023-12-28 |
| AU2018317347B2 (en) | 2021-02-04 |
| ZA202000764B (en) | 2021-09-29 |
| JP2020531097A (ja) | 2020-11-05 |
| AU2018317347A1 (en) | 2020-02-20 |
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| EP3668453A1 (en) | 2020-06-24 |
| EP4289397A2 (en) | 2023-12-13 |
| US10932903B2 (en) | 2021-03-02 |
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