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    • 4. 发明申请
    • Biopsy Device Tissue Sample Holder with Flow Restriction Device
    • 活检装置带流量限制装置的组织样本支架
    • US20110201964A1
    • 2011-08-18
    • US12707712
    • 2010-02-18
    • Trevor W.V. SpeegJohn A. Hibner
    • Trevor W.V. SpeegJohn A. Hibner
    • A61B10/02
    • A61B10/0096A61B10/0266A61B10/0275A61B10/0283A61B2010/0208A61B2010/0225
    • A tissue sample holder for a biopsy device comprises an outer cup, a collection tray, and a flow restriction device. The outer cup defines a hollow interior. The collection tray separates the hollow interior into an upper chamber and a lower chamber while allowing fluid to pass between the two chambers through an opening in the collection tray. The flow restriction device selectively seals the opening thereby preventing fluid from passing from the lower chamber into the upper chamber. The flow restriction device may be operable to selectively seal the opening in response to a vacuum being induced within the upper chamber. The collection tray may have a shape (e.g., tapered, funnel-shaped, convex, etc/) selected to facilitate the flow of fluid toward the opening. The lower chamber may be coupled with an external fluid collection device. The lower chamber may define a larger volume than the upper chamber.
    • 用于活检装置的组织样本保持器包括外杯,收集托盘和流动限制装置。 外杯限定中空的内部。 收集托盘将中空内部分隔成上室和下室,同时允许流体在两个室之间通过收集盘中的开口。 流量限制装置选择性地密封开口,从而防止流体从下腔室进入上腔室。 流量限制装置可操作以响应于在上室内感应的真空来选择性地密封开口。 收集托盘可以具有选择的形状(例如,锥形,漏斗形,凸形等),以便于朝向开口流动流体。 下室可以与外部流体收集装置联接。 下腔室可以限定比上腔室更大的体积。
    • 10. 发明授权
    • Vacuum sensor and pressure pump for tetherless biopsy device
    • 真空传感器和无菌活检装置的压力泵
    • US09538994B2
    • 2017-01-10
    • US13247495
    • 2011-09-28
    • John A. HibnerWilliam D. DannaherWells D. Haberstich
    • John A. HibnerWilliam D. DannaherWells D. Haberstich
    • A61B10/00A61B10/02A61B17/00
    • A61B10/0275A61B10/0283A61B2010/0208A61B2017/00398
    • 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.
    • 活检装置可以包括针,切割器和手持件。 手柄中的真空泵可以向针和/或切割器提供真空。 手持件中的压力泵还可以向针和/或切割器提供加压空气。 手机中的电机可以驱动真空泵,压力泵和/或切割器。 真空传感器可以感测活检装置内的真空度,并响应感测的真空度引起操作循环的启动。 阀机构和离合机构的一部分可以一体地形成。 离合器和阀门机构可由第一电池供电的马达驱动; 以及由第二电池供电电动机的切割器,压力泵和真空泵。 因此,活检装置可以从手持件内提供真空,加压空气和动力,使得活检装置是无连接的。