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    • 4. 发明授权
    • Surgical instruments with flexible drive shaft
    • 具有柔性驱动轴的手术器械
    • US6053907A
    • 2000-04-25
    • US133754
    • 1998-08-13
    • Christopher Zirps
    • Christopher Zirps
    • A61B17/32A61B17/36
    • A61B17/32002A61B2017/003A61B2017/2905
    • A drive shaft (16) for a surgical instrument (10) has a rigid drive shaft section (30) having an end portion (32). A flexible drive shaft section (40) comprises a bendable spring having an outer surface (44) and an end portion (42). The instrument (10) also comprises a sleeve (50) having an inner surface (52) and extending from the end portion (32) of the rigid drive shaft section (30) over the end portion (42) of the flexible drive shaft section (40). The instrument (10) further comprises an adhesive material (60) joining the inner surface (52) of the sleeve (50) to the outer surface (44) of the bendable spring (40).
    • 用于外科器械(10)的驱动轴(16)具有具有端部(32)的刚性驱动轴部分(30)。 柔性驱动轴部分(40)包括具有外表面(44)和端部(42)的可弯曲弹簧。 仪器(10)还包括具有内表面(52)并从刚性驱动轴部分(30)的端部(32)延伸到柔性驱动轴部分(42)的端部(42)上方的套筒(50) (40)。 仪器(10)还包括将套筒(50)的内表面(52)连接到可弯曲弹簧(40)的外表面(44)的粘合剂材料(60)。
    • 8. 发明授权
    • Flexible surgical instruments with suction
    • 灵活的手术器械带吸力
    • US6048339A
    • 2000-04-11
    • US106655
    • 1998-06-29
    • Christopher ZirpsMatthew EmansTimothy E. Taylor
    • Christopher ZirpsMatthew EmansTimothy E. Taylor
    • A61B17/00A61M1/00A61M25/00A61M25/01A61M25/06
    • A61M25/0138A61M1/008A61M25/0054A61B17/00A61B2017/00309A61B2017/00318A61M25/0105A61M25/0662
    • A surgical instrument (10) includes a rigid stem section (12) defining a longitudinal axis (32) of the surgical instrument. The rigid stem section (12) has a central passage (86) for aspirating human tissue through the rigid stem section. A flexible stem section (14) extends from the rigid stem section (12). The flexible stem section (14) has a central passage (86) for aspirating human tissue through the flexible stem section. The flexible stem (14) section has a distal end portion (68) defining a suction opening (74) of the surgical instrument (10). The suction opening (74) communicates with the central passage (86) of the flexible stem section (14). The flexible stem section (14) comprises a bendable outer tubular member (60) and a bendable inner tubular member (90) slidable within the outer tubular member. The outer tubular member (60) has a neutral axis of bending (66). The inner tubular member (90) has a neutral axis of bending (102) spaced apart from the neutral axis of bending (66) of the outer tubular member (60). The flexible stem section (14) is movable between a plurality of orientations relative to the axis (32) in response to relative sliding movement between the inner and outer tubular members (90, 60).
    • 手术器械(10)包括限定外科器械的纵向轴线(32)的刚性杆部分(12)。 刚性杆段(12)具有用于通过刚性杆部分吸引人体组织的中心通道(86)。 柔性杆部分(14)从刚性杆部分(12)延伸。 柔性杆部分(14)具有用于通过柔性杆部分吸引人体组织的中心通道(86)。 柔性杆(14)部分具有限定手术器械(10)的吸入口(74)的远端部分(68)。 吸入口(74)与柔性杆部分(14)的中心通道(86)连通。 柔性杆部分(14)包括可弯曲的外部管状构件(60)和可在外部管状构件内滑动的可弯曲内部管状构件(90)。 外管状构件(60)具有中立的弯曲轴线(66)。 内部管状构件(90)具有与外部管状构件(60)的中性折弯轴线(66)间隔开的中立的弯曲中心轴线(102)。 柔性杆部分(14)可响应于内部和外部管状构件(90,60)之间的相对滑动运动而相对于轴线(32)在多个取向之间移动。
    • 9. 发明授权
    • Device and method for determining the mass or volume of a body part
    • 用于确定身体部位的质量或体积的装置和方法
    • US5423332A
    • 1995-06-13
    • US96030
    • 1993-07-22
    • Christopher ZirpsMassimo RussoDavid E. CoatsMichael P. Manzo
    • Christopher ZirpsMassimo RussoDavid E. CoatsMichael P. Manzo
    • A61B5/03A61B5/103A61B5/117
    • A61B5/4381A61B5/103A61B2562/0219A61B5/6826A61B5/6847
    • An easily manipulable device for determining the volume of an area under examination, comprises a probe having an actuator imparting motion to the prostate, a sensor for measuring the displacement of the actuator, and a load cell for measuring the force exerted by the prostate in response to the imparted motion or alternatively, the force exhibited by the probe. Signals obtained by the load cell and signals generated by the sensor are sent to a computer processing unit whereby the mass and the volume of the area are each determined and outputted numerically on a visual display. In another embodiment, the probe has only two sensing elements, a sensor for measuring displacement, and a load cell for measuring the force exerted by the prostate or alternatively, by the probe. In this embodiment, the tapping motion of one's finger against the prostate replaces the actuator. In another embodiment, the probe has only two sensing elements on its distal end, a motor driven actuator and a load cell. The motor driven actuator has a known displacement, thus eliminating the need to measure the displacement via a sensor. In each of the above embodiments, the probe may be hand-held or alternatively, adapted to conform to and encircle a portion of the finger. In conforming to the finger, the probe may optionally enable the operator to effectuate a tactile examination of the area in question while volumetric determinations are being carried out.
    • 一种用于确定检查区域的体积的容易操作的装置,包括具有向前列腺施加运动的致动器的探头,用于测量致动器的位移的传感器,以及用于测量前列腺作用的力的测力传感器 对于赋予的运动或者替代地,探针所展示的力。 通过称重传感器获得的信号和由传感器产生的信号被发送到计算机处理单元,从而每个区域的质量和体积在视觉显示器上被数字地确定和输出。 在另一个实施例中,探针仅具有两个感测元件,用于测量位移的传感器,以及用于测量由前列腺施加的力或用探测器测量的力的测力传感器。 在该实施例中,人的手指与前列腺的敲击动作取代了致动器。 在另一个实施例中,探针在其远端仅具有两个感测元件,电动机驱动致动器和称重传感器。 马达驱动的致动器具有已知的位移,从而消除了通过传感器测量位移的需要。 在每个上述实施例中,探针可以是手持式的或可选地适于与手指的一部分一致并且环绕。 在符合手指的情况下,探针可以可选地使得操作者能够对正在进行体积测定的相关区域进行触觉检查。