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    • 31. 发明申请
    • POWERED VARIABLE SEAL DIAMETER TROCAR EMPLOYING A WINEPRESS MECHANISM
    • 动力可变的密封直径三角形采用了一个无风险的机制
    • US20110152777A1
    • 2011-06-23
    • US12957573
    • 2010-12-01
    • Michael Bettuchi
    • Michael Bettuchi
    • A61B17/34
    • A61B17/3462A61B2017/00398A61B2017/3464A61B2090/0805
    • A surgical access apparatus includes an access member having a longitudinal passageway providing access to a tissue site. An elongated seal member mounted to the access member has an orifice with a variable inner dimension. The elongated seal member establishes a sealing relation about an instrument and is associated with a powered adjustment mechanism for adjusting the variable inner dimension of the orifice. The powered adjustment mechanism includes trailing and leading hubs longitudinally spaced and adapted for relative rotation about an axis defined by the access member. A plurality of spokes extends between the hubs and defines first and second minimum internal dimensions when in first and second conditions respectively upon relative rotation of the hubs. The spokes are arranged about the elongated seal member to adjust the variable inner dimension of the orifice upon relative rotation of the hubs. A powered motion generator effects relative rotation between the hubs.
    • 外科进入装置包括具有提供对组织部位的通路的纵向通道的进入构件。 安装到进入构件的细长密封构件具有具有可变内部尺寸的孔口。 细长密封构件建立关于仪器的密封关系,并且与用于调节孔的可变内部尺寸的动力调节机构相关联。 动力调节机构包括纵向间隔开的并且适于围绕由接入构件限定的轴线的相对旋转的后缘和前导轮毂。 多个轮辐在轮毂之间延伸并且当在轮毂的相对旋转时分别在第一和第二条件下限定第一和第二最小内部尺寸。 轮辐围绕细长密封构件设置,以在毂的相对旋转时调节孔口的可变内部尺寸。 动力运动发生器影响轮毂之间的相对旋转。
    • 34. 发明授权
    • Interrogator and interrogation system employing the same
    • 采用相同的询问器和询问系统
    • US07755491B2
    • 2010-07-13
    • US12188868
    • 2008-08-08
    • John P. VolpiWallace A. KluckDavid W. Hensley
    • John P. VolpiWallace A. KluckDavid W. Hensley
    • G08B13/14
    • G01S13/66A61B90/98A61B2090/0805G01S13/825G01S13/878
    • An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In another embodiment wherein the object is an RFID object (e.g., an object with an RFID tag), the interrogators employ signal processing techniques such as precharging the RFID object, and correlating a reference code with a reply code from the RFID object using selected techniques to increase a sensitivity of the interrogator, especially for adverse environments. In other embodiments, the interrogation systems include variations of metal instruments and sponges employed therewith. In yet another embodiment, the interrogation system includes metal interrogators capable of discerning the presence of a metal object, especially in a presence of another metal object.
    • 询问器,辨别对象的存在的方法以及采用该对象的询问系统。 在一个实施例中,询问系统包括与基本命令单元通信以跟踪对象的位置的多个询问器。 在其中物体是RFID物体(例如,具有RFID标签的物体)的另一个实施例中,询问器采用诸如预先对RFID物体进行预充电的信号处理技术,并且使用所选技术将参考码与来自RFID物体的回复码相关联 增加询问器的灵敏度,特别是对于恶劣环境。 在其他实施例中,询问系统包括与其一起使用的金属器具和海绵的变型。 在另一个实施例中,询问系统包括能够识别金属物体的存在的金属询问器,特别是在存在另一金属物体的情况下。