JP5722333B2 - 膨張性ポリマーで構成される塞栓形成デバイス - Google Patents
膨張性ポリマーで構成される塞栓形成デバイス Download PDFInfo
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- JP5722333B2 JP5722333B2 JP2012536927A JP2012536927A JP5722333B2 JP 5722333 B2 JP5722333 B2 JP 5722333B2 JP 2012536927 A JP2012536927 A JP 2012536927A JP 2012536927 A JP2012536927 A JP 2012536927A JP 5722333 B2 JP5722333 B2 JP 5722333B2
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Description
本出願は、2009年10月26日に出願された、米国仮出願第61/254,962号(名称、Embolization Device Constructed From Expansile Polymer)への優先権を主張し、上記米国仮出願は、本明細書によって、参考として本明細書に援用される。
本発明は、血管動脈瘤の塞栓形成のような体腔の閉塞のためのデバイス、ならびに、かかるデバイスの作製方法および使用方法に関する。
本発明は、例えば、以下を提供する。
(項目1)
らせん状の搬送部材と、
イオン化官能基を有するヒドロゲルであって、該ヒドロゲルが、約48%のポリ(エチレングリコール)ジアクリルアミドのマクロマーと、約52%のナトリウムのpHに敏感な成分とを含む、ヒドロゲルと
を備える、動物内での移植のためのデバイス。
(項目2)
上記マクロマーは、少なくとも1つのエチレン性不飽和化合物で架橋される、項目1に記載のデバイス。
(項目3)
上記マクロマーは、N,N’−メチレンビスアクリルアミド、その誘導体、またはそれらの組み合わせで架橋される、項目1に記載のデバイス。
(項目4)
上記ヒドロゲルは、ポロシゲンによって作製された孔を含む、項目1に記載のデバイス。
(項目5)
上記ポロシゲンは、約0.4g/g塩化ナトリウムである、項目4に記載のデバイス。
(項目6)
上記塩化ナトリウムは、約10ミクロンの粒径を有する、項目5に記載のデバイス。
(項目7)
上記らせん状のコイルは、約0.0015インチから約0.00750インチに及ぶ空隙を含む、項目1に記載のデバイス。
(項目8)
上記空隙は、0.003インチを含む、項目7に記載のデバイス。
(項目9)
上記ヒドロゲル部材内に配置され、上記らせん状の搬送部材の少なくとも一部分に巻き付けられた延伸防止部材をさらに備える、項目1に記載のデバイス。
(項目10)
上記らせん状の搬送部材は、第1の直径を有するコイル状領域と、第2の直径を有するコイル状領域とを含む、項目1に記載のインプラントデバイス。
(項目11)
上記ヒドロゲルは、約0.006インチ〜0.007インチの直径から、膨張後の約0.02インチの直径まで膨張する、項目1に記載のインプラントデバイス。
(項目12)
約0.0015インチから約0.00750インチに及ぶ空隙を有するらせん状の搬送部材と、
ヒドロゲルと
を備える、動物内での移植のためのデバイス。
(項目13)
イオン化官能基を有するヒドロゲルを含み、該ヒドロゲルは、少なくとも、約48%のポリ(エチレングリコール)ジアクリルアミドのマクロマーと、約52%のナトリウムのpHに敏感な成分とを含む、項目12に記載のデバイス。
(項目14)
上記ヒドロゲルは、ポロシゲンによって作製された孔を含む、項目12に記載のインプラントデバイス。
(項目15)
上記ポロシゲンは、約0.4g/g塩化ナトリウムである、項目14に記載のインプラントデバイス。
(項目16)
上記塩化ナトリウムは、約10ミクロンの粒径を有する、項目15に記載のインプラントデバイス。
(項目17)
上記空隙は、0.003インチを含む、項目12に記載のデバイス。
(項目18)
上記ヒドロゲル部材内に配置され、上記らせん状の搬送部材の少なくとも一部分に巻き付けられた延伸防止部材をさらに備える、項目12に記載のデバイス。
(項目19)
上記らせん状の搬送部材は、第1の直径を有するコイル状領域と、第2の直径を有するコイル状領域とを備える、項目12に記載のインプラントデバイス。
(項目20)
上記ヒドロゲルは、約0.006インチ〜0.007インチの直径から、膨張後の約0.02インチの直径まで膨張する、項目12に記載のインプラントデバイス。
(項目21)
0.003インチを含む空隙を有するらせん状の搬送部材と、
該らせん状の搬送部材内に配置されたヒドロゲル部材と、
該ヒドロゲル部材内に配置され、該搬送部材の少なくとも一部分に巻き付けられた延伸防止部材と
を備え、該ヒドロゲルは、約48%のポリ(エチレングリコール)ジアクリルアミドのマクロマーと、約52%のアクリル酸ナトリウムのpHに敏感な成分とを含む、インプラントデバイス。
(項目22)
上記ヒドロゲルは、約0.006インチ〜0.007インチの直径から、膨張後の約0.02インチの直径まで膨張する、項目21に記載のインプラントデバイス。
Preprints 2001、42(2)、147「Synthesis and Characterization of Self−Assembling Block Copolymers Containing Adhesive Moieties」(Kui Hwangらによる)、およびWO00/27445号を参照されたく、これらの開示は、参考として本明細書において援用される。ヒドロゲル物質に組み込むための部分の例は、ヒドロキシル基、アミン、およびカルボン酸を含むが、これらに限定されない。
Claims (21)
- らせん状の搬送部材と、
イオン化官能基を有するヒドロゲルであって、該ヒドロゲルが、48%のポリ(エチレングリコール)ジアクリルアミドのマクロマーと、52%のアクリル酸ナトリウムとを含む、ヒドロゲルと
を備える、動物内での移植のためのデバイス。 - 前記マクロマーは、少なくとも1つのエチレン性不飽和化合物で架橋される、請求項1に記載のデバイス。
- 前記マクロマーは、N,N’−メチレンビスアクリルアミド、その誘導体、またはそれらの組み合わせで架橋される、請求項1に記載のデバイス。
- 前記ヒドロゲルは、ポロシゲンによって作製された孔を含む、請求項1に記載のデバイス。
- 前記ポロシゲンは、0.4g/g塩化ナトリウムである、請求項4に記載のデバイス。
- 前記塩化ナトリウムは、10マイクロメートルの粒径を有する、請求項5に記載のデバイス。
- 前記らせん状のコイルは、0.0381mmから0.1905mmに及ぶ空隙を含む、請求項1に記載のデバイス。
- 前記空隙は、0.0762mmを含む、請求項7に記載のデバイス。
- 前記ヒドロゲル部材内に配置され、前記らせん状の搬送部材の少なくとも一部分に巻き付けられた延伸防止部材をさらに備え、
該延伸防止部材は、鋼、ニチノール、PET、PEEK、ナイロン、テフロン(登録商標)、ポリエチレン、ポリオレフィン、ポリオレフィンエラストマー、ポリプロピレン、ポリ乳酸、またはポリグリコール酸を含む、請求項1に記載のデバイス。 - 前記らせん状の搬送部材は、第1の直径を有するコイル状領域と、第2の直径を有するコイル状領域とを含む、請求項1に記載のインプラントデバイス。
- 前記ヒドロゲルは、0.1524mm〜0.1778mmの直径から、膨張後の0.508mmの直径まで膨張する、請求項1に記載のインプラントデバイス。
- 0.0381mmから0.1905mmに及ぶ空隙を有するらせん状の搬送部材と、
イオン化官能基を有するヒドロゲルであって、該ヒドロゲルは、少なくとも、48%のポリ(エチレングリコール)ジアクリルアミドのマクロマーと、52%のアクリル酸ナトリウムとを含む、ヒドロゲルと
を備える、動物内での移植のためのデバイス。 - 前記ヒドロゲルは、ポロシゲンによって作製された孔を含む、請求項12に記載のインプラントデバイス。
- 前記ポロシゲンは、0.4g/g塩化ナトリウムである、請求項13に記載のインプラントデバイス。
- 前記塩化ナトリウムは、10マイクロメートルの粒径を有する、請求項14に記載のインプラントデバイス。
- 前記空隙は、0.0762mmを含む、請求項12に記載のデバイス。
- 前記ヒドロゲル部材内に配置され、前記らせん状の搬送部材の少なくとも一部分に巻き付けられた延伸防止部材をさらに備え、該延伸防止部材は、鋼、ニチノール、PET、PEEK、ナイロン、テフロン(登録商標)、ポリエチレン、ポリオレフィン、ポリオレフィンエラストマー、ポリプロピレン、ポリ乳酸、またはポリグリコール酸を含む、請求項12に記載のデバイス。
- 前記らせん状の搬送部材は、第1の直径を有するコイル状領域と、第2の直径を有するコイル状領域とを備える、請求項12に記載のインプラントデバイス。
- 前記ヒドロゲルは、0.1524mm〜0.1778mmの直径から、膨張後の0.508mmの直径まで膨張する、請求項12に記載のインプラントデバイス。
- 0.0762mmを含む空隙を有するらせん状の搬送部材と、
該らせん状の搬送部材内に配置されたヒドロゲル部材と、
該ヒドロゲル部材内に配置され、該搬送部材の少なくとも一部分に巻き付けられた延伸防止部材であって、該延伸防止部材は、鋼、ニチノール、PET、PEEK、ナイロン、テフロン(登録商標)、ポリエチレン、ポリオレフィン、ポリオレフィンエラストマー、ポリプロピレン、ポリ乳酸、またはポリグリコール酸を含む、延伸防止部材と
を備え、該ヒドロゲルは、48%のポリ(エチレングリコール)ジアクリルアミドのマクロマーと、52%のアクリル酸ナトリウムとを含む、インプラントデバイス。 - 前記ヒドロゲルは、0.1524mm〜0.1778mmの直径から、膨張後の0.508mmの直径まで膨張する、請求項20に記載のインプラントデバイス。
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