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    • 6. 发明公开
    • Total occlusion guidewire device
    • 完全闭塞导丝装置
    • EP1637084A1
    • 2006-03-22
    • EP05077768.9
    • 2002-03-05
    • Cordis Corporation
    • Duerig, Thomas W.Hojeibane, HikmatMajercak, David C.
    • A61B17/22A61M29/00
    • A61B17/22A61B17/3207A61B17/320758A61B2017/22042A61B2017/22044A61B2017/22068A61B2017/22069A61B2017/320004A61M25/09A61M25/0905A61M2025/09183
    • A guidewire comprising: a flexible wire, a generally solid, rotatable core wire with a distal end of the rotatable core wire slidably inserted into a proximal end of the flexible wire; a guide tip attached to the distal end of said rotatable core wire and comprising a boring surface; a sheath, wherein a distal end of the sheath slidably insertable over the proximal end of the flexible wire; and at least one centering device attached to the distal end of the flexible wire. The at least one centering device has a smaller first diameter for insertion into a lumen, and a second larger diameter for centering the flexible wire in the lumen. The at least one centering device has the smaller first diameter when the sheath is slidably inserted over the flexible wire and the centering device, until the distal end of the sheath is substantially in contact with said guide tip. The at least one centering device hasa the larger second diameter when the sheath is slidably retracted from the guide tip until the distal end of the sheath is no longer in contact with the at least one centering device.
    • 一种导丝,包括:柔性丝,通常为实心的可旋转芯线,所述可旋转芯线的远端可滑动地插入所述柔性丝的近端; 引导尖端,其附接到所述可旋转芯线的远端并且包括钻孔表面; 鞘,其中所述鞘的远端可滑动地插入所述柔性线的所述近端之上; 以及附接到柔性线的远端的至少一个定心装置。 所述至少一个定心装置具有用于插入管腔中的较小的第一直径和用于使柔性线在管腔中居中的第二较大直径。 当护套可滑动地插入软线和定心装置上时,至少一个定心装置具有较小的第一直径,直到护套的远端基本上与所述引导尖端接触。 当护套从导向尖端可滑动地缩回直到护套的远端不再与至少一个定心装置接触时,至少一个定心装置具有较大的第二直径。
    • 9. 发明公开
    • Total occlusion gudewire device
    • Führungsdrahtvorrichtungbei总计Okklusion
    • EP1656965A1
    • 2006-05-17
    • EP05077766.3
    • 2002-03-05
    • Cordis Corporation
    • Duerig, Thomas W.Hojeibane, HikmatMajercak, David C.
    • A61M29/00A61B17/22
    • A61B17/22A61B17/3207A61B17/320758A61B2017/22042A61B2017/22044A61B2017/22068A61B2017/22069A61B2017/320004A61M25/09A61M25/0905A61M2025/09183
    • A guidewire comprising: a flexible wire; a spreader attached to a distal end of the flexible wire, the spreader having a proximal end and a distal end, a plurality of struts extending therebetween, a smaller first diameter for insertion into a lumen, and a second larger diameter for expanding the lumen; and a generally solid core wire. A distal end of the solid core wire is slidably insertable into a proximal end of the flexible wire, and the distal end of said core wire is permanently attached to the distal end of the spreader. The spreader has the smaller first diameter when the solid core wire is slidably advanced through the flexible wire and the spreader and the struts assume a position substantially parallel to said core wire. The spreader has said larger second diameter when the flexible wire and the spreader are slidably advanced over the core until the struts assume a position substantially removed from the longitudinal axis of the core wire.
    • 一种导丝,包括:柔性线; 附着在所述柔性线的远端的扩张器,所述扩展器具有近端和远端,在其间延伸的多个支柱,用于插入内腔的较小的第一直径和用于扩张内腔的第二较大直径; 和一般为实心的芯线。 实心芯线的远端可滑动地插入柔性线的近端,并且所述芯线的远端永久地附接到扩展器的远端。 当实芯芯线可滑动地穿过柔性线并且扩展器和支柱呈现基本上平行于所述芯线的位置时,所述吊具具有较小的第一直径。 当柔性线和吊具可滑动地推进到芯上时,吊具具有较大的第二直径,直到支柱呈现从芯线的纵向轴线基本上移除的位置。