JP2012501727A - 複合脱離機構 - Google Patents
複合脱離機構 Download PDFInfo
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Abstract
【選択図】図2
Description
本明細書及び添付の特許請求の範囲において用いられる場合、単数形「1つの(a)、(an)」及び「その(the)」は、文脈が明らかにそうでないことを示さない限り、複数形の指示対象を含むことに留意されたい。
20:導電性材料
30:植込み可能なデバイス
35:電極
40:絶縁電極スペーサ
45:送達デバイス
50:絶縁層
55:導電層
60:ファイバ通しキャビティ
70:脱離ファイバ・キャビティ
72:コンタクト
80:融解物受け部
Claims (17)
- 植込み可能なデバイスと、
ポリマー及び1つ又はそれ以上の導電性材料を含む複合脱離機構と、を含み、
前記複合脱離機構は、前記複合脱離機構からの前記植込み可能なデバイスの離脱を可能にするのに十分な熱エネルギーが前記脱離機構に印加されるまで、前記植込み可能なデバイスと係合していることを特徴とする組立体。 - 前記1つ又はそれ以上の導電性材料が前記ポリマーを被覆し、及び/又は前記ポリマーが前記1つ又はそれ以上の導電性材料を被覆する、請求項1に記載の組立体。
- 前記ポリマーが低融点ポリマーを含む、請求項1又は請求項2に記載の組立体。
- 前記低融点ポリマーが、ポリエチレン(PE)、ポリ−L−乳酸(PLLA)、ポリグリコール酸(PGA)、ポリビニルアルコール(PVA)及びそれらの組合せから成る群より選択される、請求項3に記載の組立体。
- 前記導電性被覆が、ニッケル、鉄クロム、スズ、金、白金又はそれらの組合せを含む、請求項2に記載の組立体。
- 前記組立体が、1つ又はそれ以上の導電性材料の1つ又はそれ以上の層を含む、請求項2に記載の組立体。
- 前記導電性材料と直接に又は間接的に接触する1つ又はそれ以上の電極に動作可能に接続されたエネルギー源をさらに含む、請求項1乃至請求項6のいずれか1項に記載の組立体。
- 2つの電極を含み、前記電極の遠位端は環状構造体を含み、前記環状構造体が前記複合脱離機構の前記導電性被覆に直接接触する、請求項7に記載の組立体。
- 前記電極が電極組立体に接触し、
前記電極組立体が、
2つの導電層の間に配置された絶縁層と、
前記絶縁層と、前記導電層の少なくとも一部と、にわたる融解物受けオリフィスと、を含み、
前記複合脱離機構の前記導電性材料が、前記植込み可能なデバイスと係合しているときに前記2つの導電層に接触する、請求項7に記載の組立体。 - 前記エネルギー源が電気エネルギー源を含む、請求項7に記載の組立体。
- 前記複合脱離機構が、前記植込み可能なデバイスと直接又は間接的に係合する、請求項1乃至請求項10のいずれか1項に記載の組立体。
- カテーテル、ガイドワイヤ及び/又は連続的な導管から成る群より選択される送達デバイスをさらに含む、請求項1乃至請求項11のいずれか1項に記載の組立体。
- 絶縁材料をさらに含む、請求項1乃至請求項12のいずれか1項に記載の組立体。
- 前記植込み可能なデバイスが、金属及び/又はポリマー製の血管閉塞デバイスを含む、請求項1乃至請求項13のいずれか1項に記載の組立体。
- 前記血管閉塞デバイスが、金、白金、タングステン、ニッケル、チタン及びそれらの合金から成る群より選択される金属を含む、請求項14に記載の組立体。
- 体腔を閉塞する方法であって、
請求項1乃至請求項15のいずれかに記載の植込み可能な組立体を体腔内に導入するステップと、
前記植込み可能なデバイスを前記体腔内に解放するのに十分なエネルギーを印加し、これにより前記体腔を閉塞するステップと、を含む、
ことを特徴とする方法。 - 前記体腔が動脈瘤である、請求項16に記載の方法。
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US9775620B2 (en) | 2017-10-03 |
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