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    • 11. 发明授权
    • Balloon folding control mechanism
    • 气球折叠控制机构
    • US07976496B2
    • 2011-07-12
    • US12168450
    • 2008-07-07
    • Kenneth C. Kennedy, IIMatthew P. Carter
    • Kenneth C. Kennedy, IIMatthew P. Carter
    • A61M29/00
    • A61M25/10A61M25/1027A61M25/1029A61M25/1038A61M2025/1004A61M2025/1047A61M2025/1068A61M2025/1084A61M2025/1093
    • A balloon catheter including an inflatable balloon affixed to a catheter. The proximal end of the balloon is affixed to the distal end of the catheter so as to provide an air tight seal there between. A stiffening member extends distally of the distal end of the catheter and forms a slip joint connection with the distal end of the balloon to permit the distal end of the balloon to axially move or translate relative to the distal end of the catheter. The slip joint allows the axial length of balloon to change during inflation or deflation without transferring tensile or compressive forces between the balloon and the catheter. A balloon folding control mechanism is disposed about the portion of the stiffening member traversing the interior of the balloon, and is configured to promote refolding of the balloon into a predetermined and desired folding configuration upon deflation.
    • 气囊导管,其包括固定在导管上的可膨胀气囊。 气囊的近端固定在导管的远端,以便在其间提供气密封。 加强构件在导管的远端的远侧延伸并且与气囊的远端形成滑动关节连接,以允许气囊的远端相对于导管的远端轴向移动或平移。 滑动关节允许气囊的轴向长度在充气或放气期间改变,而不会在气囊和导管之间传递拉伸或压缩力。 气球折叠控制机构设置在穿过气球内部的加强构件的部分周围,并且被构造成在放气时促进气囊重折叠成预定和期望的折叠构型。
    • 13. 发明申请
    • BIOPSY DEVICE
    • 生物装置
    • US20120022398A1
    • 2012-01-26
    • US12842444
    • 2010-07-23
    • Tatjana DutovaShay LavelleKenneth C. Kennedy, IIArthur Thomas Henry
    • Tatjana DutovaShay LavelleKenneth C. Kennedy, IIArthur Thomas Henry
    • A61B10/02
    • A61B10/0275A61B2010/0208
    • A mechanism for sequentially loading and unloading a biopsy instrument includes a first wheel operatively connected with a cannula, the first wheel being rotatably mounted upon an axle such that the axle urges rotation of the first wheel in a first direction to transfer the cannula and the first wheel to a loaded position, the first wheel being configured for selective rotation with respect to the axle in a second direction to transfer the cannula and the first wheel to an unloaded position. A second wheel is operatively connected with a stylet, the second wheel being configured to be rotated by the axle in the first direction when the first wheel is in the loaded position, the second wheel configured for rotation relative to the axle to transfer the stylet and second wheel from the loaded to unloaded position. The second wheel is operatively engaged with the first wheel to allow partial rotation of the second wheel in the second direction with respect to the first wheel and urging similar rotation of the first wheel in the second direction after at least some duration of relative rotation of the second wheel with respect to the second wheel.
    • 用于顺序加载和卸载活检器械的机构包括与套管可操作地连接的第一轮,所述第一轮可旋转地安装在轴上,使得所述轴沿第一方向推动所述第一轮的旋转以转移所述套管和所述第一 轮到装载位置,第一轮被配置为在第二方向上相对于轴选择性旋转,以将套管和第一轮转移到卸载位置。 第二轮与探针可操作地连接,第二轮构造成当第一轮处于装载位置时由第一方向由轴旋转,第二轮被配置为相对于轴转动以转移探针,并且 第二轮从装载到卸载位置。 第二轮与第一轮可操作地接合,以允许第二轮相对于第一车轮在第二方向上的部分旋转,并且在第二车轮的相对旋转的至少一段持续时间之后,促使第一车轮在第二方向上的相似旋转 第二轮相对于第二轮。
    • 18. 发明授权
    • Biopsy device
    • 活检装置
    • US08337416B2
    • 2012-12-25
    • US12842444
    • 2010-07-23
    • Tatjana DutovaShay LavelleKenneth C. Kennedy, IIArthur Thomas Henry
    • Tatjana DutovaShay LavelleKenneth C. Kennedy, IIArthur Thomas Henry
    • A61B10/00
    • A61B10/0275A61B2010/0208
    • A mechanism for sequentially loading and unloading a biopsy instrument includes a first wheel operatively connected with a cannula, the first wheel being rotatably mounted upon an axle such that the axle urges rotation of the first wheel in a first direction to transfer the cannula and the first wheel to a loaded position, the first wheel being configured for selective rotation with respect to the axle in a second direction to transfer the cannula and the first wheel to an unloaded position. A second wheel is operatively connected with a stylet, the second wheel being configured to be rotated by the axle in the first direction when the first wheel is in the loaded position, the second wheel configured for rotation relative to the axle to transfer the stylet and second wheel from the loaded to unloaded position. The second wheel is operatively engaged with the first wheel to allow partial rotation of the second wheel in the second direction with respect to the first wheel and urging similar rotation of the first wheel in the second direction after at least some duration of relative rotation of the second wheel with respect to the second wheel.
    • 用于顺序加载和卸载活检器械的机构包括与套管可操作地连接的第一轮,所述第一轮可旋转地安装在轴上,使得所述轴沿第一方向推动所述第一轮的旋转以转移所述套管和所述第一 轮到装载位置,第一轮被配置为在第二方向上相对于轴选择性旋转,以将套管和第一轮转移到卸载位置。 第二轮与探针可操作地连接,第二轮构造成当第一轮处于装载位置时由第一方向由轴旋转,第二轮被配置为相对于轴转动以转移探针,并且 第二轮从装载到卸载位置。 第二轮与第一轮可操作地接合,以允许第二轮相对于第一车轮在第二方向上的部分旋转,并且在第二车轮的相对旋转的至少一段持续时间之后,促使第一车轮在第二方向上的相似旋转 第二轮相对于第二轮。
    • 20. 发明授权
    • Steerable catheter devices and methods of articulating catheter devices
    • 可导向的导管装置和关节导管装置的方法
    • US07608056B2
    • 2009-10-27
    • US11588806
    • 2006-10-27
    • Kenneth C. Kennedy, II
    • Kenneth C. Kennedy, II
    • A61M31/00A61M37/00
    • A61M25/0155A61B1/0051A61B6/481A61B6/504A61B2017/003A61M25/0105A61M25/0136A61M25/0141
    • Steerable catheter devices are provided having a proximal first end portion, an elongate intermediate portion, and a distal flexible second end portion defining a longitudinal axis, and at least one channel having a proximal opening and terminating at an occluded distal end radially offset relative to the central longitudinal axis and positioned within the catheter flexible second end portion substantially straight in a relaxed position and bent when the occluded distal end is under a change in internal fluid pressure. Optionally, the catheter further has a dye injection lumen and a tool receiving passageway extending from the first end portion to the second end portion. The occluded distal end is axially elastically distensible under an internal fluid pressure to deflect (thereby to steer) the catheter second end portion through the tortuous path of a vessel passageway when used percutaneously or working channel of an endoscope or endoscope accessory device.
    • 提供了可转向导管装置,其具有近端第一端部分,细长中间部分和限定纵向轴线的远端柔性第二端部部分,以及至少一个通道,其具有近侧开口并终止于相对于所述第一端部径向偏移的闭塞远端 中心纵向轴线并定位在导管柔性第二端部部分中,在松弛位置基本上是直的,并且当闭塞的远端处于内部流体压力的变化时弯曲。 任选地,导管还具有染色剂注入腔和从第一端部延伸到第二端部的工具接收通道。 当内窥镜或内窥镜附件装置经皮或工作通道使用时,封闭的远端在内部流体压力下轴向弹性扩张,以使导管第二端部穿过血管通道的曲折路径偏转(从而引导)。