JP6430508B2 - 置換心臓弁を植え込むための装置および方法 - Google Patents
置換心臓弁を植え込むための装置および方法 Download PDFInfo
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- JP6430508B2 JP6430508B2 JP2016534770A JP2016534770A JP6430508B2 JP 6430508 B2 JP6430508 B2 JP 6430508B2 JP 2016534770 A JP2016534770 A JP 2016534770A JP 2016534770 A JP2016534770 A JP 2016534770A JP 6430508 B2 JP6430508 B2 JP 6430508B2
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- helical anchor
- heart valve
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- seal
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- A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
-
- 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
Description
本願は、2013年8月12日に出願された(係属中)米国特許仮出願第61/864,840号、2013年8月19日に出願された(係属中)米国特許仮出願第61/867,287号、および2013年9月16日に出願された(係属中)米国特許仮出願第61/878,280号の優先権を主張するものである。これらの仮出願の開示は、ここに参照により本明細書に組み込まれる。
12 僧帽弁
12a 天然僧帽弁弁葉
12b 天然僧帽弁弁葉
12c 天然僧帽弁弁輪
14 弁葉
16 弁葉
18 繊維カバー、シール
24 ステント
24a 開口
30 らせん状アンカー
32 コイル
36 矢印
40 左心室
42 心房
50 重畳シール構造体
52 シール
52a シール要素、シール部分
52b シール要素、シール部分
52c シール要素、シール部分
60 カテーテル
62 繊維
64 内部支持コイル
70 シール構造体
70a セグメント
70b セグメント
72 繊維
74 コイル
80 シール構造体
82 封止繊維
84 構造パネル
86 連結部分
90 シール構造体
90a セグメント
90b セグメント
92 フレームセグメント、ワイヤ
94 フレームセグメント、ワイヤ
96 繊維カバー、外方シール材料、繊維
98 湾曲セクション
100 横材、付勢部材
102 繊維カバー
110 パネル/膜構造体、シールパネル、シール材料
112 内部支持構造体、支持体
114 ステッチ
116 支持体
118 縫合ライン
120 間隙
132 先鋭状端部
134 シール材料
136 天然弁組織
138 緩衝体
140 バルーン、バルーンカテーテル
142 矢印
146 矢印
150 矢印
152 矢印
160 矢印
170 カバー、コーティング
172 矢印
180 カバー、コーティング
182 矢印
190 返し固定具、返し、固定具システム
192 コーティング、カバー
Claims (21)
- 心臓弁プロテーゼをドッキングするためのシステムであって、
コイル部分が心臓弁弁輪の上方および下方に位置決めされた状態で心臓弁プロテーゼを支持するように構成された複数のコイルとして形成されたらせん状アンカーと、
前記らせん状アンカーに結合され、前記らせん状アンカーを通ると共に前記心臓弁プロテーゼを通過する血液漏れを防止するための隣り合うコイル間に延在する部分を備えるシールと
を備え、
前記システムは、患者の心臓弁位置まで送達され、前記複数のコイルの内部でおよび心臓弁の弁葉と係合状態に拡張されることが可能な心臓弁プロテーゼであって、前記シールは、前記らせん状アンカーおよび前記心臓弁プロテーゼの両方に係合される、心臓弁プロテーゼ
をさらに備え、
前記シールは、前記らせん状アンカーにより担持され、前記らせん状アンカーの隣り合うコイル同士の間の空間を封止するように構成された重畳部分を備える1つまたは複数のシール要素をさらに備える、システム。 - 前記らせん状アンカーは、形状記憶材料をさらに備える、請求項1に記載のシステム。
- 前記シールは、前記らせん状アンカーの少なくとも2つのコイルを覆って延在する膜またはパネルをさらに備える、請求項1に記載のシステム。
- 前記膜または前記パネルは、非展開状態と展開状態との間で移動され、前記非展開状態は、植込み部位に送達するように構成され、前記展開状態は、前記システムを植え込み、前記心臓弁プロテーゼを固定するように構成される、請求項3に記載のシステム。
- 前記非展開状態は、前記らせん状アンカーの前記コイルの中の1つの上に巻き上げられた状態を含む、請求項4に記載のシステム。
- 前記非展開状態は、座屈状態を含む、請求項4に記載のシステム。
- 前記膜または前記パネルは、装着された支持要素を備える、請求項3に記載のシステム。
- 前記1つまたは複数のシール要素はそれぞれ、装着された支持要素を備える、請求項1に記載のシステム。
- 前記1つまたは複数のシール要素はそれぞれ、ほぼ円形の断面形状を有する、請求項1に記載のシステム。
- 前記1つまたは複数のシール要素はそれぞれ、長円形の断面形状を有する、請求項1に記載のシステム。
- 前記1つまたは複数のシール要素はそれぞれ、前記コイルの中の1つに装着された連結部分と、隣接するコイルに向かって延在する延在部分とを有する、請求項1に記載のシステム。
- 天然心臓弁を置換するためのシステムであって、
心臓弁プロテーゼを支持するように構成された複数のコイルとして形成された拡張可能ならせん状アンカーであって、前記コイルの中の少なくとも1つが、通常は第1の直径であり、前記らせん状アンカー内から径方向に外方への力を印加した場合により大きな第2の直径へと拡張可能である、らせん状アンカーと、
前記らせん状アンカー内に送達され、前記複数のコイルの内部で拡張されて前記少なくとも1つのコイルと係合状態になり、前記らせん状アンカーおよび前記心臓弁プロテーゼを共に固定しつつ、前記第1の直径から前記第2の直径に前記少なくとも1つのコイルを動かすことが可能な、拡張可能な心臓弁プロテーゼと
を備え、
前記システムは、前記らせん状アンカーに結合され、前記らせん状アンカーを通ると共に前記心臓弁プロテーゼを通過する血液漏れを防止するための隣り合うコイル間に延在する部分を備えるシールをさらに備え、
前記システムは、患者の心臓弁位置まで送達され、前記複数のコイルの内部でおよび心臓弁の弁葉と係合状態に拡張されることが可能な心臓弁プロテーゼであって、前記シールは、前記らせん状アンカーおよび前記心臓弁プロテーゼの両方に係合される、心臓弁プロテーゼ
をさらに備え、
前記シールは、前記らせん状アンカーにより担持され、前記らせん状アンカーの隣り合うコイル同士の間の空間を封止するように構成された重畳部分を備える1つまたは複数のシール要素をさらに備える、システム。 - 前記シールは、前記らせん状アンカーの少なくとも2つのコイルを覆って延在する膜またはパネルをさらに備える、請求項12に記載のシステム。
- 前記膜または前記パネルは、非展開状態と展開状態との間で移動され、前記非展開状態は、植込み部位に送達するように構成され、前記展開状態は、前記システムを植え込み、前記心臓弁プロテーゼを固定するように構成される、請求項13に記載のシステム。
- 前記非展開状態は、前記らせん状アンカーの前記コイルの中の1つの上に巻き上げられた状態を含む、請求項14に記載のシステム。
- 前記非展開状態は、座屈状態を含む、請求項14に記載のシステム。
- 前記膜または前記パネルは、装着された支持要素を備える、請求項13に記載のシステム。
- 前記1つまたは複数のシール要素はそれぞれ、装着された支持要素を備える、請求項12に記載のシステム。
- 前記1つまたは複数のシール要素はそれぞれ、ほぼ円形の断面形状を有する、請求項12に記載のシステム。
- 前記1つまたは複数のシール要素はそれぞれ、長円形の断面形状を有する、請求項12に記載のシステム。
- 前記1つまたは複数のシール要素はそれぞれ、前記コイルの中の1つに装着された連結部分と、隣接するコイルに向かって延在する延在部分とを有する、請求項12に記載のシステム。
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US61/867,287 | 2013-08-19 | ||
US201361878280P | 2013-09-16 | 2013-09-16 | |
US61/878,280 | 2013-09-16 | ||
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JP2018203777A Active JP6876664B2 (ja) | 2013-08-12 | 2018-10-30 | 置換心臓弁を植え込むための装置および方法 |
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JP2021024190A Active JP7440440B2 (ja) | 2013-08-12 | 2021-02-18 | 置換心臓弁を植え込むための装置および方法 |
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