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    • 2. 发明申请
    • Selectively detachable outer cannula hub
    • 可选择可拆卸的外套管毂
    • US20060155209A1
    • 2006-07-13
    • US11364123
    • 2006-02-28
    • Michael MillerJoseph MarkJohn HancockCharles Butcher
    • Michael MillerJoseph MarkJohn HancockCharles Butcher
    • A61B10/00
    • A61B10/0275A61B10/025A61B10/0283A61B2010/0208A61B2017/00973A61B2217/005A61B2217/007
    • A disposable tissue removal device comprises a “tube within a tube” cutting element mounted to a handpiece. The inner cannula of the cuffing element defines an inner lumen and terminates in an inwardly beveled, razor-sharp cutting edge. The inner cannula is driven by both a rotary motor and a reciprocating motor. At the end of its stroke, the inner cannula makes contact with the cutting board to completely sever the tissue. An aspiration vacuum is applied to the inner lumen to aspirate excised tissue through the inner cannula and into a collection trap that is removably mounted to the handpiece. The rotary and reciprocating motors are hydraulically powered through a foot pedal operated hydraulic circuit. The entire biopsy device is configured to be disposable. In one embodiment, the cutting element includes a cannula hub that can be connected to a fluid source, such as a valve-controlled saline bag.
    • 一次性组织去除装置包括安装到手持件的“管内管”切割元件。 切割元件的内套管限定内腔,并且终止于向内倾斜的剃刀锋利的切割边缘。 内套管由旋转马达和往复马达驱动。 在其行程结束时,内套管与切割板接触以完全切断组织。 将抽吸真空施加到内腔以通过内套管抽吸切除的组织并进入可拆卸地安装到手持件的收集阱。 旋转和往复式电动机通过脚踏操作液压回路液压动力。 整个活组织检查装置被配置为一次性的。 在一个实施例中,切割元件包括可连接到诸如阀控制的盐水袋的流体源的套管套管。
    • 7. 发明授权
    • High specific gravity intragastric device
    • 高比重胃内装置
    • US08758385B2
    • 2014-06-24
    • US12645466
    • 2009-12-22
    • John Hancock
    • John Hancock
    • A61M29/00
    • A61F5/0036A61F5/003
    • The teachings are directed to an intragastric device comprising a flexible and expandable bladder having a predetermined shape upon expansion for contacting the antrum of the stomach of a subject. The device is designed to avoid passage of any part of the device beyond the pylorus and lower esophageal sphincter while the bladder is expanded during use. In these embodiments, the bladder can contain a high specific gravity material when expanded; wherein, the high specific gravity material contributes to an in vivo specific gravity of the device that ranges from about 1.2 g/ml to about 2.1 g/ml and functions to direct the device to the pyloric antrum of the subject during use of the device. Moreover, these embodiments can include a filling material comprising a biocompatible fluid component and a hydrogel component to make the device substantially leakproof and contribute to the in vivo specific gravity of the device.
    • 该教导涉及一种胃内装置,其包括在膨胀时具有预定形状的柔性和可膨胀囊,用于接触受试者胃的胃窦。 该装置被设计成在使用过程中膀胱膨胀时避免设备的任何部分超过幽门和食管下括约肌。 在这些实施例中,当膨胀时,气囊可以包含高比重材料; 其中,所述高比重物质有助于所述装置的体内比重为约1.2g / ml至约2.1g / ml,并且用于在使用所述装置期间将所述装置引导至所述受试者的幽门窦。 此外,这些实施方案可以包括包含生物相容性流体组分和水凝胶组分的填充材料,以使得该装置基本上防漏并有助于该装置的体内比重。