JP2003515385A5 - - Google Patents

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Publication number
JP2003515385A5
JP2003515385A5 JP2001541433A JP2001541433A JP2003515385A5 JP 2003515385 A5 JP2003515385 A5 JP 2003515385A5 JP 2001541433 A JP2001541433 A JP 2001541433A JP 2001541433 A JP2001541433 A JP 2001541433A JP 2003515385 A5 JP2003515385 A5 JP 2003515385A5
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JP
Japan
Prior art keywords
mandrel
lumen
stent
inflatable member
guide wire
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Pending
Application number
JP2001541433A
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English (en)
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JP2003515385A (ja
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Publication date
Priority claimed from US09/452,514 external-priority patent/US6361544B1/en
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Publication of JP2003515385A publication Critical patent/JP2003515385A/ja
Publication of JP2003515385A5 publication Critical patent/JP2003515385A5/ja
Pending legal-status Critical Current

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Description

【特許請求の範囲】
【請求項１】
横分枝導管と主導管を有する分岐した導管にＹ形ステントを移植するステント送給集合体において、
近位端および遠位端を有する第一の膨張可能な部材を含み、近位端および遠位端を有する第二の膨張可能な部材を更に含み、近位端と遠位端を有する２バルーンＹ形カテーテルと、
前記第一の膨張可能な部材を含む前記カテーテルの少なくとも一部を貫通して延び、マンドレルを受け入れる第一管腔と、
前記第二の膨張可能な部材を含む前記カテーテルの少なくとも一部を貫通して延び、案内ワイヤを受け入れる第二管腔と、
前記第一管腔内に配置されたマンドレルと、
を備え、
前記第一の膨張可能な部材と前記第二の膨張可能な部材は、通常は、偏倚して離れているが、このステント送給集合体が前記第２管腔内で延びるガイドワイヤに沿って前進するときには、前記マンドレルにより拘束されて一緒にされて低姿勢となることを特徴とするステント送給集合体。
【請求項２】
前記Ｙ形ステントは前記第一および第二の膨張可能な部材に着脱可能に取り付けられている、請求項１のステント送給集合体。
【請求項３】
前記Ｙ形ステントを移植する前に、前記第一の膨張可能な部材と前記第二の膨張可能な部材の両方の遠位端を保持するのを助ける着脱可能なロッキングリングを更に含む、請求項１のステント送給集合体。
【請求項４】
前記第一管腔は遠位部分を含み、その一部は前記第二の膨張可能な部材の少なくとも一部を貫通して延びている、請求項１のステント送給集合体。
【請求項５】
前記マンドレルは、前記第一の膨張可能な部材上にある第一管腔と、前記第二の膨張可能な部材上の前記管腔の前記一部を貫通して延び、この集合体が配置されるまで前記第一および第二の膨張可能な部材を一緒に保持する、請求項４のステント送給集合体。
使用持には、一方の枝の分岐箇所に対して予め遠位側に位置決めされている案内ワイヤ９６は後ろから管腔９５の中に入れられ、カテーテル９０がワイヤ９６の上に進み、カテーテルは分岐箇所に近い場所に進む。カテーテルが案内ワイヤ９６に沿って移動するときにはマンドレル１２０は管腔９８Ａと９８Ｂの中に保持されている。カテーテルが分岐箇所に達すると、マンドレルの遠位端が遠位部分９８Ａから引かれるまで、マンドレル１２０を引き抜くことができる。マンドレルを（近位側に）再び引くと、通常偏倚して離れている膨張可能な部材９１，９２は解放され、図３９に示すように、バネ力により離れる。ここで、マンドレル１２０を患者から取り除き、管腔９８Ｂに案内ワイヤ１２２を挿入する。次いで、図４０に示すように、案内ワイヤ１２２を分岐箇所の他方の枝に進める。この代わりに、マンドレルは、案内ワイヤあるいは案内ワイヤに似た部材であっても良く、また自ら他方の枝に進んでも良く、そうすれば案内ワイヤ１２２の必要性がなくなる。
JP2001541433A 1999-12-01 2000-11-20 ステントとカテーテルの集合体および分岐箇所の処置方法 Pending JP2003515385A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/452,514 1999-12-01
US09/452,514 US6361544B1 (en) 1997-08-13 1999-12-01 Stent and catheter assembly and method for treating bifurcations
PCT/US2000/032262 WO2001039697A1 (en) 1999-12-01 2000-11-20 Stent and catheter assembly and method for treating bifurcations

Publications (2)

Publication Number Publication Date
JP2003515385A JP2003515385A (ja) 2003-05-07
JP2003515385A5 true JP2003515385A5 (ja) 2006-02-09

Family

ID=23796754

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Application Number Title Priority Date Filing Date
JP2001541433A Pending JP2003515385A (ja) 1999-12-01 2000-11-20 ステントとカテーテルの集合体および分岐箇所の処置方法

Country Status (6)

Country Link
US (3) US6361544B1 (ja)
EP (1) EP1233726A1 (ja)
JP (1) JP2003515385A (ja)
AU (1) AU1798701A (ja)
CA (1) CA2392069A1 (ja)
WO (1) WO2001039697A1 (ja)

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