JP7214626B2 - 心臓弁ドッキング・コイルとシステム - Google Patents
心臓弁ドッキング・コイルとシステム 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
- A61F2/02—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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- 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
- A61F2/2427—Devices for manipulating or deploying heart valves during implantation
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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
- A61F2/2427—Devices for manipulating or deploying heart valves during implantation
- A61F2/2436—Deployment by retracting a sheath
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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
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2466—Delivery devices therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
- A61B2017/00243—Type of minimally invasive operation cardiac
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B2017/0649—Coils or spirals
-
- 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
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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
- A61F2230/0004—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
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0091—Three-dimensional shapes helically-coiled or spirally-coiled, i.e. having a 2-D spiral cross-section
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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
- A61F2250/0036—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 thickness
-
- 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
- A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
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- Oral & Maxillofacial Surgery (AREA)
- Animal Behavior & Ethology (AREA)
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- Transplantation (AREA)
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- External Artificial Organs (AREA)
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Description
10、110、1100 中央領域
20、120、1120 下部領域
21 先端チップ
30、130、1130 上部領域
31 近位先端
32 長軸直径
33 短軸直径
40 人工弁
41 フレーム
42 弁尖
50 僧帽弁
52 左心房
54 左心室
56 大動脈弁
58 大動脈
62 腱索
140 延長部
150 貫通孔
210 レーザカット・チューブ
211、216 カット
212 相互連結リンク
213 歯
214 溝
215 端部領域
217、218 ワイヤロック機構、開口部
219 ワイヤ
222 遠位先端
310 メイン・コイル
320 アンカー
410 コイル/コア
420 カバー
510、610 コイル
520 摩擦要素
530 高摩擦カバー
618 溝または切り欠き
622 突起
710 コイル骨格/コア
712 リング状先端、遠位先端
714 貫通孔
716 自由端領域
718 端部
810 コイル骨格/コア
812 ボール状先端、遠位先端
814 ギャップ
910 コイル骨格/コア
912 スリット穴
914、916 側面
918 自由端
920 カバー層
930 縫合糸
940 プル・ワイヤ
1000 ガイド・シース
1010 送達カテーテル
1110 中央コイル/ターン
1140 拡張領域
1160 ワイヤ・コア
1162 穴またはボア
1163 剥離縫合糸
1164 固定穴
1165 プッシャ・デバイス/チューブ
1170 カバー層、低摩擦層
1180 高摩擦カバー/層、編組層
1182、1184 マーカー・バンド
1800 左心房
1810 僧帽弁
1820(A3P3、A1P1) 交連
1830 壁
1840 大動脈
Claims (32)
- 人工弁を心臓の生来の弁にドッキングするためのドッキング・デバイスであって、
近位先端および遠位先端と、
第1の厚さを有し、中央ターンの直径を画定する、少なくとも1つの中央ターンと、
少なくとも1つの前記中央ターンの上端から延びる長さを有する延長部であって、前記第1の厚さよりも小さい第2の厚さを有する延長部と、
前記延長部の上端から延びる上部ターンであって、前記第2の厚さよりも大きい第3の厚さを有する上部ターンと、
を備えるコイル状アンカーを含んでなり、
前記コイル状アンカーの少なくとも1つの前記中央ターンの少なくとも一部分が、前記心臓のチャンバ内で前記生来の弁の弁尖の周りに配置された状態で、前記コイル状アンカーが、前記生来の弁に移植されるように構成され、
前記延長部のみが、少なくとも1つの前記中央ターンと前記上部ターンとの間に垂直方向の分離を生じさせていることを特徴とするドッキング・デバイス。 - 前記第1の厚さが少なくとも0.8mmであって、前記第2の厚さが0.4~0.8mmの間であることを特徴とする、請求項1に記載のドッキング・デバイス。
- コイルが長方形の断面形状を有し、前記第1の厚さおよび前記第2の厚さが幅であることを特徴とする、請求項1または2に記載のドッキング・デバイス。
- コイルが円形または楕円形の断面形状を有し、前記第1の厚さおよび前記第2の厚さが直径であることを特徴とする、請求項1または2に記載のドッキング・デバイス。
- 前記延長部の長さは5~100mmであることを特徴とする、請求項1~4のいずれか一項に記載のドッキング・デバイス。
- 少なくとも1つの前記中央ターンの直径が、20~30mmの間であることを特徴とする、請求項1~5のいずれか一項に記載のドッキング・デバイス。
- 少なくとも1つの完全なまたは部分的な前記中央ターンから延びる下部ターンであって、前記第1の厚さを有し、前記中央ターンの直径よりも大きい下部ターンの直径を画定している、下部ターンをさらに含むことを特徴とする、請求項1~6のいずれか一項に記載のドッキング・デバイス。
- 前記第3の厚さが前記第1の厚さと同じであって、前記上部ターンが第1の軸に沿った第1の直径と第2の軸に沿った第2の直径とを含み、
前記第1の軸の直径が前記中央ターンの直径よりも大きく、
前記第2の軸の直径が、前記中央ターンの直径よりも大きく、前記下部ターンの直径よりも小さい、ことを特徴とする、請求項7に記載のドッキング・デバイス。 - 前記下部ターンの直径は、30~75mmの間であることを特徴とする、請求項7または8に記載のドッキング・デバイス。
- 前記第1の軸の直径が40~75mmであって、前記第2の軸の直径が前記中央ターンによって画定される直径よりも大きいことを特徴とする、請求項8に記載のドッキング・デバイス。
- 第1の軸の直径が40~80mmの間であって、第2の軸の直径が20~80mmの間であることを特徴とする、請求項8~10のいずれか一項に記載のドッキング・デバイス。
- 少なくとも1つの前記中央ターンが、2分の1から5ターンを含み、前記上部ターンが、2分の1から1ターンを含むことを特徴とする、請求項1~11のいずれか一項に記載のドッキング・デバイス。
- 前記下部ターンが、1~5回のターンを含むことを特徴とする、請求項7~9のいずれか一項に記載のドッキング・デバイス。
- 生体適合性材料からなるカバー層をさらに含み、前記カバー層が前記コイル状アンカーを取り囲むことを特徴とする、請求項1~13のいずれか一項に記載のドッキング・デバイス。
- 前記カバー層が、30~100ミクロンの直径を有する穴を含むことを特徴とする、請求項14に記載のドッキング・デバイス。
- 前記カバー層が、置換弁と接触するように構成されている前記コイル状アンカーの部分に少なくとも沿って延在していることを特徴とする、請求項14または15に記載のドッキング・デバイス。
- 前記コイル状アンカーが、前記近位先端および前記遠位先端のそれぞれの近くに固定穴をさらに含むことを特徴とする、請求項14~16のいずれか一項に記載のドッキング・デバイス。
- 前記カバー層は、前記コイル状アンカーの前記固定穴を通って、さらに、前記カバー層を通って延びる縫合糸で前記コイル状アンカーに固定されていることを特徴とする、請求項17に記載のドッキング・デバイス。
- 前記カバー層の長さの一部の長さの少なくとも一部を取り囲みそれに沿って延びる第2のカバー層を含む摩擦促進要素をさらに含み、前記第2のカバー層は、縫合糸によって第1のカバー層に接続され、少なくとも1の摩擦係数をもたらしていることを特徴とする、請求項14~18のいずれか一項に記載のドッキング・デバイス。
- 前記第2のカバー層が編組材料であることを特徴とする、請求項19に記載のドッキング・デバイス。
- 前記第2のカバー層が織布材料であることを特徴とする、請求項19または20に記載のドッキング・デバイス。
- 前記第2のカバー層が、30~100ミクロンのサイズ範囲の直径を有する穴を含むことを特徴とする、請求項19~21のいずれか一項に記載のドッキング・デバイス。
- 前記コイル状アンカーの表面上または前記カバー層の表面上に複数のバルジを含む少なくとも1つの摩擦促進要素をさらに含むことを特徴とする、請求項16~18のいずれか一項に記載のドッキング・デバイス。
- 前記コイル状アンカーの外面に複数のロックおよびキーの切欠きを含む少なくとも1つの摩擦促進要素をさらに含むことを特徴とする、請求項1~18のいずれか一項に記載のドッキング・デバイス。
- ロック切欠きは、前記コイル状アンカーの前記外面に形成された溝であって、前記キーは、前記コイル状アンカーから外向きに延び、前記ロック切欠きに嵌合するサイズおよび形状の突起であることを特徴とする、請求項24に記載のドッキング・デバイス。
- 前記近位先端のボアを通って取り外し可能に縫合された縫合糸であって、前記ドッキング・デバイスを回収するための送達カテーテル内のプッシャ・デバイスに接続するように構成された縫合糸をさらに含むことを特徴とする、請求項1~18のいずれか一項に記載のドッキング・デバイス。
- 前記縫合糸が前記縫合糸の長さに沿った位置で前記ボアを通って取り外し可能に縫合され、次いで前記縫合糸の端部が、前記縫合糸の中心点と前記コイル状アンカーの前記近位先端との間の空間を通って縫合されていることを特徴とする、請求項26に記載のドッキング・デバイス。
- 遠位端部と近位端部とを有し、前記コイル状アンカーを取り囲み、前記遠位先端を通過し、前記近位先端を通過し、前記コイル状アンカーの長さに沿って延び、前記遠位端部および前記近位端部に、丸い先端またはテーパ状の先端を有する低摩擦カバー層をさらに含むことを特徴とする、請求項1~27のいずれか一項に記載のドッキング・デバイス。
- 前記コイル状アンカーの前記遠位先端が、前記中央ターンによって形成された円形の接線方向に、わずかに半径方向内側にテーパ状になっていることを特徴とする、請求項1~27のいずれか一項に記載のドッキング・デバイス。
- 前記コイル状アンカーの前記近位先端が、半径方向内側きにわずかにテーパ状になっており、さらに、上方向に向けられていることを特徴とする、請求項1~27のいずれか一項に記載のドッキング・デバイス。
- 請求項1~30のいずれか一項に記載のドッキング・デバイスを生来の弁に移植するためのシステムであって、
送達カテーテルと、
送達装置の近位端部のボアを通って縫合される縫合糸と、
前記送達カテーテル内の使い捨て可能なプッシャ・デバイスと、
を含み、前記プッシャ・デバイスが中央管腔を含み、
前記縫合糸および/またはプッシャ・デバイスを前記送達カテーテルに対して近位側に引くと、前記コイル状アンカーを前記送達カテーテル内に後退させるように、前記縫合糸が前記中央管腔内で使い捨て可能であることを特徴とするシステム。 - 縫合糸が前記縫合糸の長さに沿った位置でボアを通って縫合され、次いで前記縫合糸の端部が、前記縫合糸の中心点と前記コイル状アンカーの近位端部との間の空間を通って縫合されていることを特徴とする、請求項31に記載のシステム。
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| US15/684,836 US10687938B2 (en) | 2016-08-26 | 2017-08-23 | Heart valve docking system |
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