JP7423613B2 - 乳頭筋接近および心室リモデリングのためのばねおよびコイルデバイス - Google Patents
乳頭筋接近および心室リモデリングのためのばねおよびコイルデバイス Download PDFInfo
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- JP7423613B2 JP7423613B2 JP2021518458A JP2021518458A JP7423613B2 JP 7423613 B2 JP7423613 B2 JP 7423613B2 JP 2021518458 A JP2021518458 A JP 2021518458A JP 2021518458 A JP2021518458 A JP 2021518458A JP 7423613 B2 JP7423613 B2 JP 7423613B2
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Images
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Description
2 左心房
3 左心室
4 右心室
5 右心房
6 僧帽弁
7 大動脈弁
8 三尖弁
9 肺動脈弁
10 乳頭筋
11 肺動脈
11 腱索
12 大動脈
15 乳頭筋
15a 前外側乳頭筋
15p 後内側乳頭筋
15a 乳頭筋
15b 乳頭筋
16 腱索
16a 腱索
16b 腱索
17 筋肉の壁
18 心尖領域
21 僧帽弁逆流
61 弁尖
61a 弁尖
61b 弁尖
70 螺旋状コイルデバイス
72 針先端部
76 近位端部分
77 遠位端部
79 開口部
80 縫合糸
81 縫合糸
82 内側縫合糸
570 コイルインプラントデバイス
590 送達カテーテル
670 コイルアンカーデバイス
672 組織係合先端部
676 近位端部
677 遠位端部
680 縫合糸
681 縫合糸部分
682 縫合糸
690 送達カテーテル
800 ねじりばねデバイス
802 第1のアーム部材
804 第2のアーム部材
805 自由端部
806 中央のばねまたはコイル要素、コイル特徴部、中央のねじりばね要素、中央のばね構成要素、コイル部分
900 乳頭筋および/または心室調節デバイス、螺旋状締め付けデバイス、コイルインプラントデバイス
902 外側構成要素、外側スリーブ構成要素、外側部分
903 内側構成要素
906 弁
908 遠位端部分
1000 心室調節デバイス、心室拘束デバイス
1100 乳頭筋および/または心室調節デバイス、フープまたは渦巻形デバイス
1200 渦巻形乳頭筋接近デバイス
1201 開口部
1202 空隙
1203 第1の端部
1400 渦巻形乳頭筋接近デバイス
1406 第2の端部
1407 第1の端部
l コイルの長さ
R1 半径
R2 半径
D1 初期距離
D2 拘束された距離
D3 より大きな直径
D4 第2のより小さな直径
D5 距離
α 角度
Claims (3)
- 乳頭筋操作デバイスであって、
コイル部分と、
心臓の第1の乳頭筋の周囲に少なくとも部分的に巻き付けられるように構成された第1のアーム部分と、
前記心臓の第2の乳頭筋の周囲に少なくとも部分的に巻き付けられるように構成された第2のアーム部分と、を含み、
前記コイル部分、前記第1のアーム部分、および前記第2のアーム部分は、一体のばね構成要素を形成し、
前記コイル部分は、前記第1のアーム部分および前記第2のアーム部分の力を働かせて、前記第1の乳頭筋および前記第2の乳頭筋を一緒に引くように構成される、乳頭筋操作デバイス。 - 前記乳頭筋操作デバイスは、圧縮されてカテーテル内部に嵌まるように構成される、請求項1に記載の乳頭筋操作デバイス。
- 前記第1のアーム部分は、前記第1の乳頭筋の組織に埋め込まれるように構成された組織アンカーを含む、請求項1または2に記載の乳頭筋操作デバイス。
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US16/549,056 US11413146B2 (en) | 2018-10-03 | 2019-08-23 | Spring and coil devices for papillary muscle approximation and ventricle remodeling |
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