JP7469323B2 - 血管障害の治療のためのフィラメント状デバイス - Google Patents
血管障害の治療のためのフィラメント状デバイス Download PDFInfo
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Description
該当せず。
本明細書のデバイスおよび方法の実施形態は、哺乳類の体内で、管状血管を通る、または嚢空洞または血管障害の小型内部チャンバの中への流体の流れの遮断を対象とする。より具体的には、本明細書の実施形態は、具体的には患者の脳動脈瘤の治療を対象とする、いくつかの実施形態を含む、患者の血管障害の治療のためのデバイスおよび方法を対象とする。
ビームの偏向=5FL4/384EI
式中、F=力、
L=ビームの長さ、
E=ヤング率、および
I=慣性モーメントである。
I=πd4/64
式中、dは、ワイヤまたはフィラメントの直径である。
(付記)
(付記1)
患者の脳動脈瘤の治療のためのデバイスであって、
弾力性自己拡張浸透性シェルであって、前記弾力性自己拡張浸透性シェルは、カテーテル管腔内での送達のために構成される半径方向に拘束された伸長状態と、前記半径方向に拘束された状態に対して縦方向に短縮された構成を伴う拡張状態と、ともに織り合わされ、メッシュを形成し、前記浸透性シェルの空洞を画定する複数の伸長フィラメントとを含む、弾力性自己拡張浸透性シェル
を備え、
前記拡張状態は、近位部分および遠位部分を有し、前記近位部分は、前記メッシュに結合される少なくとも1つのコイルを含む、デバイス。
(付記2)
前記少なくとも1つのコイルは、前記複数のフィラメントのうちのフィラメントの少なくとも一部を中心として配置されるかまたはそれに結合される、付記1に記載のデバイス。
(付記3)
前記少なくとも1つのコイルは、螺旋形状を有する、付記1に記載のデバイス。
(付記4)
前記少なくとも1つのコイルは、ヒドロゲルを含む、付記1に記載のデバイス。
(付記5)
前記少なくとも1つのコイルは、約2~約10、約3~約12、約4~約8、約5~約10、約5~約15、約2~約30、および約2~約25から成る群から選択されるいくつかのコイルを備える、付記1に記載のデバイス。
(付記6)
前記近位部分は、前記浸透性シェルの遠位部分より高い半径方向剛性を有する、付記1に記載のデバイス。
(付記7)
前記近位部分は、前記浸透性シェルの遠位部分の半径方向剛性より1.5~3倍高い半径方向剛性を有する、付記1に記載のデバイス。
(付記8)
患者の脳動脈瘤の治療のためのデバイスであって、
弾力性自己拡張浸透性シェルであって、前記弾力性自己拡張浸透性シェルは、カテーテル管腔内での送達のために構成される半径方向に拘束された伸長状態と、前記半径方向に拘束された状態に対して縦方向に短縮された構成を伴う拡張状態と、ともに織り合わされ、メッシュを形成し、前記浸透性シェルの空洞を画定する複数の伸長フィラメントとを含む、弾力性自己拡張浸透性シェル
を備え、
前記拡張状態は、近位部分および遠位部分を有し、前記近位部分は、前記デバイスの近位剛性を増強させるための1つ以上の補剛要素を含む、デバイス。
(付記9)
前記1つ以上の補剛要素は、前記複数のフィラメントのうちのフィラメントの少なくとも一部を中心として配置されるかまたはそれに結合される、付記8に記載のデバイス。
(付記10)
前記1つ以上の補剛要素は、螺旋形状を有する、付記8に記載のデバイス。
(付記11)
前記1つ以上の補剛要素は、ヒドロゲルを含む、付記8に記載のデバイス。
(付記12)
前記1つ以上の補剛要素は、約2~約10、約3~約12、約4~約8、約5~約10、約5~約15、約2~約30、および約2~約25から成る群から選択されるいくつかの補剛要素を備える、付記8に記載のデバイス。
(付記13)
前記近位部分は、前記浸透性シェルの遠位部分より高い半径方向剛性を有する、付記8に記載のデバイス。
(付記14)
前記近位部分は、前記浸透性シェルの遠位部分の半径方向剛性より1.5~3倍高い半径方向剛性を有する、付記8に記載のデバイス。
(付記15)
患者の脳動脈瘤の治療のためのデバイスであって、
弾力性自己拡張メッシュであって、前記弾力性自己拡張メッシュは、カテーテル管腔内での送達のために構成される半径方向に拘束された伸長状態と、前記半径方向に拘束された状態に対して縦方向に短縮された構成を伴う拡張状態とを含む、弾力性自己拡張メッシュ
を備え、
前記メッシュは、その中に空洞を画定する複数の相互織り合わされた伸長フィラメントから形成され、前記メッシュは、複数の細孔と、近位部分および遠位部分とを有し、
前記メッシュの近位部分は、前記メッシュの近位多孔率が、前記メッシュの遠位多孔率未満であるように、1つ以上の補強要素を含む、デバイス。
(付記16)
前記1つ以上の補強要素は、前記複数のフィラメントのうちのフィラメントの少なくとも一部を中心として配置されるかまたはそれに結合される、付記15に記載のデバイス。
(付記17)
前記1つ以上の補強要素は、螺旋形状を有する、付記15に記載のデバイス。
(付記18)
前記1つ以上の補強要素は、ヒドロゲルを含む、付記15に記載のデバイス。
(付記19)
前記1つ以上の補強要素は、約2~約10、約3~約12、約4~約8、約5~約10、約5~約15、約2~約30、および約2~約25から成る群から選択されるいくつかの補強要素を備える、付記15に記載のデバイス。
(付記20)
前記近位部分は、前記浸透性シェルの遠位部分より高い半径方向剛性を有する、付記15に記載のデバイス。
(付記21)
内部空洞と、頸部とを有する脳動脈瘤を治療するための方法であって、
マイクロカテーテル内のインプラントを脳動脈内の着目領域まで前進させるステップであって、前記インプラントは、弾力性自己拡張浸透性シェルを備え、前記弾力性自己拡張浸透性シェルは、カテーテル管腔内での送達のために構成される半径方向に拘束された伸長状態と、前記半径方向に拘束された状態に対して縦方向に短縮された構成を伴う拡張状態と、ともに織り合わされ、メッシュを形成し、前記浸透性シェルの空洞を画定する複数の伸長フィラメントとを含み、前記拡張状態は、近位部分および遠位部分を有し、前記近位部分は、前記メッシュに結合される少なくとも1つのコイルを含む、ステップと、
前記インプラントを前記脳動脈瘤内で展開するステップであって、前記浸透性シェルは、前記拡張状態に、前記動脈瘤の内部空洞内で拡張する、ステップと、
前記インプラントを展開後、前記マイクロカテーテルを前記着目領域から抜去するステップと
を含む、方法。
(付記22)
前記少なくとも1つのコイルは、前記複数のフィラメントのうちのフィラメントの少なくとも一部を中心として配置されるかまたはそれに結合される、付記21に記載の方法。
(付記23)
前記少なくとも1つのコイルは、螺旋形状を有する、付記21に記載の方法。
(付記24)
前記少なくとも1つのコイルは、ヒドロゲルを含む、付記21に記載の方法。
(付記25)
前記少なくとも1つのコイルは、約2~約10、約3~約12、約4~約8、約5~約10、約5~約15、約2~約30、および約2~約25から成る群から選択されるいくつかのコイルを備える、付記21に記載の方法。
(付記26)
前記近位部分は、前記浸透性シェルの遠位部分より高い半径方向剛性を有する、付記21に記載の方法。
(付記27)
前記近位部分は、前記浸透性シェルの遠位部分の半径方向剛性より1.5~3倍高い半径方向剛性を有する、付記21に記載の方法。
(付記28)
内部空洞と、頸部とを有する脳動脈瘤を治療するための方法であって、
マイクロカテーテル内のインプラントを脳動脈内の着目領域まで前進させるステップであって、前記インプラントは、弾力性自己拡張浸透性シェルを備え、前記弾力性自己拡張浸透性シェルは、カテーテル管腔内での送達のために構成される半径方向に拘束された伸長状態と、前記半径方向に拘束された状態に対して縦方向に短縮された構成を伴う拡張状態と、ともに織り合わされ、メッシュを形成し、前記浸透性シェルの空洞を画定する複数の伸長フィラメントとを含み、前記拡張状態は、近位部分および遠位部分を有し、前記近位部分は、デバイスの近位剛性を増強させるための1つ以上の補剛要素を含む、ステップと、
前記インプラントを前記脳動脈瘤内で展開するステップであって、前記浸透性シェルは、前記拡張状態に、前記動脈瘤の内部空洞内で拡張する、ステップと、
前記インプラントを展開後、前記マイクロカテーテルを前記着目領域から抜去するステップと
を含む、方法。
(付記29)
前記1つ以上の補剛要素は、前記複数のフィラメントのうちのフィラメントの少なくとも一部を中心として配置されるかまたはそれに結合される、付記28に記載の方法。
(付記30)
前記1つ以上の補剛要素は、螺旋形状を有する、付記28に記載の方法。
(付記31)
前記1つ以上の補剛要素は、ヒドロゲルを含む、付記28に記載の方法。
(付記32)
前記1つ以上の補剛要素は、約2~約10、約3~約12、約4~約8、約5~約10、約5~約15、約2~約30、および約2~約25から成る群から選択されるいくつかの補剛要素を備える、付記28に記載の方法。
(付記33)
前記近位部分は、前記浸透性シェルの遠位部分より高い半径方向剛性を有する、付記28に記載の方法。
(付記34)
前記近位部分は、前記浸透性シェルの遠位部分の半径方向剛性より1.5~3倍高い半径方向剛性を有する、付記28に記載の方法。
(付記35)
内部空洞と、頸部とを有する脳動脈瘤を治療するための方法であって、
マイクロカテーテル内のインプラントを脳動脈内の着目領域まで前進させるステップであって、前記インプラントは、弾力性自己拡張メッシュを備え、前記弾力性自己拡張メッ
シュは、カテーテル管腔内での送達のために構成される半径方向に拘束された伸長状態と、前記半径方向に拘束された状態に対して縦方向に短縮された構成を伴う拡張状態とを含み、前記メッシュは、その中に空洞を画定する複数の相互織り合わされた伸長フィラメントから形成され、前記メッシュは、複数の細孔と、近位部分および遠位部分とを有し、前記メッシュの近位部分は、前記メッシュの近位多孔率が、前記メッシュの遠位多孔率未満であるように、1つ以上の補強要素を含む、ステップと、
前記インプラントを前記脳動脈瘤内で展開するステップであって、前記メッシュは、前記拡張状態に、前記動脈瘤の内部空洞内で拡張する、ステップと、
前記インプラントを展開後、前記マイクロカテーテルを前記着目領域から抜去するステップと
を含む、方法。
(付記36)
前記1つ以上の補強要素は、前記複数のフィラメントのうちのフィラメントの少なくとも一部を中心として配置されるかまたはそれに結合される、付記35に記載の方法。
(付記37)
前記1つ以上の補強要素は、螺旋形状を有する、付記35に記載の方法。
(付記38)
前記1つ以上の補強要素は、ヒドロゲルを含む、付記35に記載の方法。
(付記39)
前記1つ以上の補強要素は、約2~約10、約3~約12、約4~約8、約5~約10、約5~約15、約2~約30、および約2~約25から成る群から選択されるいくつかの補強要素を備える、付記35に記載の方法。
(付記40)
前記近位部分は、前記浸透性シェルの遠位部分より高い半径方向剛性を有する、付記35に記載の方法。
Claims (20)
- 患者の脳動脈瘤の治療のためのデバイスであって、
弾力性自己拡張浸透性シェルであって、前記弾力性自己拡張浸透性シェルは、カテーテル管腔内での送達のために構成される半径方向に拘束された伸長状態と、前記半径方向に拘束された状態に対して縦方向に短縮された構成を伴う拡張状態と、ともに織り合わされ、メッシュを形成し、前記浸透性シェルの空洞を画定する複数の伸長フィラメントとを含む、弾力性自己拡張浸透性シェルを備え、
前記拡張状態は、近位部分および遠位部分を有し、前記近位部分は、前記メッシュに結合される少なくとも1つのコイルを含み、
前記少なくとも1つのコイルは、管腔を備え、前記複数の伸長フィラメントのうちの伸長フィラメントの少なくとも一部は、前記少なくとも1つのコイルの前記管腔内に配置されている、デバイス。 - 前記少なくとも1つのコイルは、前記複数の伸長フィラメントのうちの伸長フィラメントの少なくとも一部を中心として配置されるかまたはそれに結合される、請求項1に記載のデバイス。
- 前記少なくとも1つのコイルは、螺旋形状を有する、請求項1に記載のデバイス。
- 前記少なくとも1つのコイルは、ヒドロゲルを含む、請求項1に記載のデバイス。
- 前記少なくとも1つのコイルは、約2~約10、約3~約12、約4~約8、約5~約10、約5~約15、約2~約30、および約2~約25から成る群から選択されるいくつかのコイルを備える、請求項1に記載のデバイス。
- 前記近位部分は、前記浸透性シェルの遠位部分より高い半径方向剛性を有する、請求項1に記載のデバイス。
- 前記近位部分は、前記浸透性シェルの遠位部分の半径方向剛性より1.5~3倍高い半径方向剛性を有する、請求項1に記載のデバイス。
- 患者の脳動脈瘤の治療のためのデバイスであって、
弾力性自己拡張浸透性シェルであって、前記弾力性自己拡張浸透性シェルは、カテーテル管腔内での送達のために構成される半径方向に拘束された伸長状態と、前記半径方向に拘束された状態に対して縦方向に短縮された構成を伴う拡張状態と、ともに織り合わされ、メッシュを形成し、前記浸透性シェルの空洞を画定する複数の伸長フィラメントとを含む、弾力性自己拡張浸透性シェルを備え、
前記拡張状態は、近位部分および遠位部分を有し、前記近位部分は、前記デバイスの近位剛性を増強させるための1つ以上の補剛要素を含み、
前記1つ以上の補剛要素は、管腔を備え、前記複数の伸長フィラメントのうちの伸長フィラメントの少なくとも一部は、前記1つ以上の補剛要素の前記管腔内に配置されている、デバイス。 - 前記1つ以上の補剛要素は、前記複数の伸長フィラメントのうちの伸長フィラメントの少なくとも一部を中心として配置されるかまたはそれに結合される、請求項8に記載のデバイス。
- 前記1つ以上の補剛要素は、螺旋形状を有する、請求項8に記載のデバイス。
- 前記1つ以上の補剛要素は、ヒドロゲルを含む、請求項8に記載のデバイス。
- 前記1つ以上の補剛要素は、約2~約10、約3~約12、約4~約8、約5~約10、約5~約15、約2~約30、および約2~約25から成る群から選択されるいくつかの補剛要素を備える、請求項8に記載のデバイス。
- 前記近位部分は、前記浸透性シェルの遠位部分より高い半径方向剛性を有する、請求項8に記載のデバイス。
- 前記近位部分は、前記浸透性シェルの遠位部分の半径方向剛性より1.5~3倍高い半径方向剛性を有する、請求項8に記載のデバイス。
- 患者の脳動脈瘤の治療のためのデバイスであって、
弾力性自己拡張メッシュであって、前記弾力性自己拡張メッシュは、カテーテル管腔内での送達のために構成される半径方向に拘束された伸長状態と、前記半径方向に拘束された状態に対して縦方向に短縮された構成を伴う拡張状態とを含む、弾力性自己拡張メッシュを備え、
前記メッシュは、その中に空洞を画定する複数の相互織り合わされた伸長フィラメントから形成され、前記メッシュは、複数の細孔と、近位部分および遠位部分とを有し、
前記メッシュの近位部分は、前記メッシュの近位多孔率が、前記メッシュの遠位多孔率未満であるように、1つ以上の補強要素を含み、
前記1つ以上の補強要素は、管腔を備え、複数の伸長フィラメントのうちの伸長フィラメントの少なくとも一部は、前記1つ以上の補強要素の前記管腔内に配置されている、デバイス。 - 前記1つ以上の補強要素は、前記複数の伸長フィラメントのうちの伸長フィラメントの少なくとも一部を中心として配置されるかまたはそれに結合される、請求項15に記載のデバイス。
- 前記1つ以上の補強要素は、螺旋形状を有する、請求項15に記載のデバイス。
- 前記1つ以上の補強要素は、ヒドロゲルを含む、請求項15に記載のデバイス。
- 前記1つ以上の補強要素は、約2~約10、約3~約12、約4~約8、約5~約10、約5~約15、約2~約30、および約2~約25から成る群から選択されるいくつかの補強要素を備える、請求項15に記載のデバイス。
- 前記近位部分は、前記メッシュの遠位部分より高い半径方向剛性を有する、請求項15に記載のデバイス。
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US11357511B2 (en) | 2008-05-01 | 2022-06-14 | Aneuclose Llc | Intrasacular aneurysm occlusion device with globular first configuration and bowl-shaped second configuration |
EP2279023B1 (en) | 2008-05-02 | 2020-12-02 | Sequent Medical, Inc. | Filamentary devices for treatment of vascular defects |
US9955976B2 (en) | 2013-08-16 | 2018-05-01 | Sequent Medical, Inc. | Filamentary devices for treatment of vascular defects |
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US11559309B2 (en) | 2023-01-24 |
WO2020190620A1 (en) | 2020-09-24 |
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CN113556985A (zh) | 2021-10-26 |
CN113556985B (zh) | 2024-10-18 |
US12082819B2 (en) | 2024-09-10 |
JP2022525316A (ja) | 2022-05-12 |
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