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    Vacuum sensor and pressure pump for tetherless biopsy device
    71.
    发明公开
    Vacuum sensor and pressure pump for tetherless biopsy device 审中-公开
    真空传感器和压力泵，用于无作用力活检装置

    公开(公告)号：EP2412314A3

    公开(公告)日：2012-02-22

    申请号：EP11185873.4

    申请日：2008-12-24

    申请人： Devicor Medical Products, Inc.

    发明人： Hibner, John, A. ,  Dannaher, William, D. ,  Haberstich, Wells, D.

    IPC分类号： A61B10/02

    CPC分类号： A61B10/0275 ,  A61B10/0283 ,  A61B2010/0208 ,  A61B2017/00398

    摘要： A biopsy device may include a needle, a cutter, and a handpiece. A vacuum pump in the handpiece may provide a vacuum to the needle and/or to the cutter. A pressure pump in the handpiece may also provide pressurized air to the needle and/or to the cutter. A motor in the handpiece may drive the vacuum pump, the pressure pump, and/or the cutter. A vacuum sensor may sense a vacuum level within the biopsy device, and cause initiation of operational cycles in response to sensed vacuum levels. Portions of a valving mechanism and a clutching mechanism may be integrally formed. A clutching and valving mechanism may be driven by a first battery-powered motor; and a cutter, pressure pump, and vacuum pump by a second battery-powered motor. A biopsy device may thus provide vacuum, pressurized air, and power from within a handpiece, such that the biopsy device is tetherless.

    Biopsy device with variable side aperture
    72.
    发明授权
    Biopsy device with variable side aperture 有权
    具有可变侧开口的活检装置

    公开(公告)号：EP1698282B1

    公开(公告)日：2012-01-25

    申请号：EP06251159.7

    申请日：2006-03-03

    申请人： Devicor Medical Products, Inc.

    发明人： Weikel, Robert F. Jr. ,  Reichel, Lee E. ,  Hibner, John A. ,  Ludzack, Michael R.

    IPC分类号： A61B10/02

    CPC分类号： A61B10/0275 ,  A61B10/0283

    摘要： A biopsy device and method are provided for obtaining a tissue sample, such as a breast tissue biopsy sample. The biopsy device may include an outer cannula having a distal piercing tip, a cutter lumen, a side tissue port communicating with the cutter lumen, and at least one fluid passageway disposed distally of the side tissue port. The inner cutter may be advanced in the cutter lumen past the side tissue port to sever a tissue sample. After the tissue sample is severed, and before the inner cutter is retracted proximally of the side tissue port, the cutter may be used to alternately cover and uncover the fluid passageway disposed distally of the side tissue.