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    • 4. 发明申请
    • BLOOD VESSEL PUNCTURE LOCATING APPARATUS AND METHOD
    • 血管血管定位装置及方法
    • WO2008024553A1
    • 2008-02-28
    • PCT/US2007/071675
    • 2007-06-20
    • BOSTON SCIENTIFIC SCIMED, INC.VRBA, Anthony, C.
    • VRBA, Anthony, C.
    • A61B17/00A61N7/02A61M5/168A61B19/00
    • A61B17/0057A61B8/0833A61B8/0841A61B2017/00106A61B2017/00641A61B2090/062A61M5/16886
    • An apparatus is disclosed foi accurately locating a puncture in a blood vessel, the puncture being below a skin surface of a patient and accessible via an incision The apparatus (10) includes a probe (12) sized for insertion through the incision and having a proximal portion (16) including a proximal end (22) and a distal portion (14) including a distal tip (18) sized for insertion through the blood vessel puncture. The probe defines a probe lumen (20) extending from the proximal end and at least partially into the probe distal portion, the probe distal portion having a first rigidity. A core (30) is sized for insertion into the piobe lumen, the core being movable between a distal position, in which a distal end of the core is disposed within the probe distal portion, and a proximal position, in which the core is withdrawn from the probe distal portion. The core has a second rigidity greater than the first rigidity so that the distal tip has a greater rigidity with the core in the distal position and a lesser rigidity with the core in the proximal position. The probe may also include a piezo-electic transducer (34) to assist with puncture location.
    • 公开了一种将穿刺准确地定位在血管中的装置,所述穿刺位于患者的皮肤表面下方并且经由切口可接近。所述装置(10)包括探针(12),其尺寸适于插入穿过所述切口并具有近端 包括近端(22)和远端部分(14)的部分(16),远端部分(14)包括远侧末端(18),其尺寸适于插入通过血管穿刺。 探针限定从近端延伸并且至少部分地延伸到探针远端部分的探针内腔(20),探针远端部分具有第一刚性。 芯部(30)的尺寸设置成用于插入管腔中,芯部可以在远侧位置之间移动,远端位置处芯部的远端设置在探针远端部分内,并且近端位置 从探针远端部分。 芯具有大于第一刚度的第二刚性,使得远侧末端具有较大的刚性,而在远侧位置处的芯具有更大的刚性,并且在近侧位置具有较小刚性。 探针还可以包括压电换能器(34)以辅助穿刺位置。
    • 6. 发明申请
    • VASCULAR INTRODUCER SHEATH
    • 血管引入物
    • WO2007143280A1
    • 2007-12-13
    • PCT/US2007/066554
    • 2007-04-12
    • BOSTON SCIENTIFIC SCIMED, INC.VRBA, Anthony, C.
    • VRBA, Anthony, C.
    • A61M25/00A61M25/01
    • A61M25/0662A61M25/0045A61M25/0054A61M25/0138
    • An introducer sheath (10) that can include an elongate tubular member (26), such as a metallic tubular member, including a tubular wall defining a lumen (40) and including a proximal portion (28) and a distal portion (32). In some embodiments, a portion of the tubular member, such as the distal portion, can include a plurality of apertures (44) defined in the tubular wall, and another portion, such as the proximal portion, can be free of apertures defined in the tubular wall. The portion including the apertures defined therein can be more flexible than the portion free of the apertures. A second tubular member (24) can be disposed on or within the elongate tubular member, and can define a fluid tight pathway through the lumen. Additionally, a hub (14) can be attached to the proximal portion of the elongate tubular member and in fluid communication with the fluid tight pathway.
    • 可以包括细长管状构件(26)的导引套(10),例如金属管状构件,其包括限定内腔(40)并且包括近端部分(28)和远侧部分(32)的管状壁。 在一些实施例中,管状构件(例如远侧部分)的一部分可以包括限定在管状壁中的多个孔(44),并且另一部分(例如近侧部分)可以没有在 管壁。 包括其中限定的孔的部分可以比没有孔的部分更具柔性。 第二管状构件(24)可以设置在细长管状构件上或内部,并且可以限定穿过内腔的流体密封路径。 此外,毂(14)可以附接到细长管状构件的近端部分并与流体密封通道流体连通。