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    • 1. 发明授权
    • Trocar safety shield locking mechanism
    • 套管安全盾锁机构
    • US5387197A
    • 1995-02-07
    • US21935
    • 1993-02-25
    • Richard S. SmithKevin L. HouserCharles A. HansfordPamela K. JacobsRichard F. Schwemberger
    • Richard S. SmithKevin L. HouserCharles A. HansfordPamela K. JacobsRichard F. Schwemberger
    • A61B1/00A61B17/34A61M5/00
    • A61B17/3496
    • A trocar and trocar obturator assembly having an obturator and a locking mechanism responsive to proximal, axial movement of the trocar obturator is disclosed. The trocar obturator has an elongated obturator shaft having a proximal end and a distal end with a piercing tip mounted thereto. The proximal end of the trocar obturator shaft is slidably mounted in a handle such that the obturator shaft is moveable axially. A protective safety shield having a distal end and a proximal end with a flange member mounted to the proximal end is slidably mounted on the trocar obturator. The safety shield is moveable, axially, between an extended distal position and a retracted proximal position. The protective safety shield is disposed concentrically about the obturator. A lockout arm for locking the safety shield in a locked extended position is mounted in the trocar obturator handle. An actuating collar member is mounted to the proximal end of the obturator shaft in the obturator handle and is moveable with the obturator shaft. The obturator collar disengages the locking arm when moved proximally and engages the locking arm when trocar is armed. The trocar obturator assembly may be concentrically mounted in a trocar cannula having a passageway for receiving the trocar obturator and safety shield. The locking mechanism is actuated by proximal, axial motion of the obturator.
    • 公开了具有闭塞器和针对套管针闭塞器的近端,轴向运动的锁定机构的套针和套管针闭塞器组件。 套管针闭塞器具有细长的闭塞轴,其具有近端和远端,安装有穿刺尖端。 套管针闭塞轴的近端可滑动地安装在手柄中,使得闭孔轴可轴向移动。 具有远端和近端的保护性安全护罩具有安装到近端的凸缘构件,可滑动地安装在套管针闭塞器上。 安全护罩可以在延伸的远端位置和缩回的近端位置之间轴向移动。 保护性安全护罩围绕闭塞器同心放置。 用于将安全防护罩锁定在锁定延伸位置的锁定臂安装在套管针闭塞手柄中。 致动轴环构件安装到闭塞器手柄中的闭孔轴的近端,并且可与闭塞轴一起移动。 当套管针布置时,闭塞套环向近侧移动时与锁定臂脱离并接合锁定臂。 套管针闭塞器组件可以同心地安装在具有用于接收套管针闭塞器和安全护罩的通道的套管针插管中。 锁定机构由闭塞器的近端轴向运动致动。
    • 8. 发明授权
    • Tissue processing device with ultrasonic measuring chamber
    • 带超声波测量室的组织处理装置
    • US08468891B2
    • 2013-06-25
    • US12778769
    • 2010-05-12
    • Edward G. ChekanKevin L. HouserRobert E. Sackett
    • Edward G. ChekanKevin L. HouserRobert E. Sackett
    • G01N29/00
    • A61B10/0275A61B10/0283B01D21/283B33Y80/00G01N15/02
    • A device is operable to measure the size of tissue particles. The device includes a reservoir for receiving tissue particles and an ultrasonic transducer. The ultrasonic transducer is operable to emit ultrasonic energy toward tissue particles in the reservoir. Control circuitry is operable to process ultrasonic energy received from the ultrasonic transducer to determine the size of tissue particles in the reservoir. If the tissue particles are larger than a predetermined size range, the particles may be minced to reduce their size. If the tissue particles are smaller than a predetermined size range, the particles may be disposed of. It the tissue particles have a size within a predetermined range, they may be processed further, such as by stimulating the tissue particles and dewatering the tissue particles. The tissue particles may then be incorporated in a medical fluid and be therapeutically administered to a patient.
    • 装置可操作以测量组织颗粒的尺寸。 该装置包括用于接收组织颗粒的储存器和超声波换能器。 超声波换能器可操作地朝储存器中的组织颗粒发射超声波能量。 控制电路可操作以处理从超声波换能器接收的超声波能量,以确定储层中组织颗粒的尺寸。 如果组织颗粒大于预定尺寸范围,则可以将颗粒切碎以减小其尺寸。 如果组织颗粒小于预定尺寸范围,则可以处理颗粒。 组织颗粒具有在预定范围内的尺寸,可进一步加工,例如通过刺激组织颗粒并使组织颗粒脱水。 然后可以将组织颗粒并入医疗流体中并且对患者进行治疗性施用。
    • 9. 发明授权
    • Ultrasonic surgical instrument, shears and tissue pad, method for sealing a blood vessel and method for transecting patient tissue
    • 超声波手术器械,剪刀和组织垫,密封血管的方法和横切患者组织的方法
    • US08388638B2
    • 2013-03-05
    • US12357569
    • 2009-01-22
    • Kevin L. Houser
    • Kevin L. Houser
    • A61B17/32
    • A61B17/12A61B17/320092A61B2017/00831A61B2017/2825
    • An ultrasonic surgical shears has a bifurcated ultrasonic surgical blade, a clamping arm and a substantially “T”-shaped tissue pad. An alternate ultrasonic surgical shears has an ultrasonic surgical blade, a clamping arm, and a tissue pad having first and second transverse outer portions and a movable transverse central portion. An ultrasonic surgical instrument has an ultrasonic surgical clamp including an ultrasonic member adapted to ultrasonically vibrate and has a surgical cutter distinct from the ultrasonic member. A method for sealing a blood vessel of a patient includes obtaining an ultrasonic surgical clamp, sealing the blood vessel with the ultrasonic member, and transecting the sealed blood vessel using the surgical cutter. An alternate method similarly transects patient tissue and seals a blood vessel therein. An ultrasonic-surgical-shears tissue pad includes first and second transverse outer portions which are more resiliently flexible than is a transverse central portion.
    • 超声手术剪刀具有分叉的超声手术刀片,夹持臂和基本上T形的组织垫。 替代的超声手术剪切具有超声手术刀片,夹持臂和具有第一和第二横向外部部分和可移动横向中心部分的组织垫。 超声波手术器械具有超声波手术夹具,其包括适于超声振动的超声波部件,并且具有与超声波部件不同的外科手术刀。 用于密封患者血管的方法包括获得超声外科夹具,用超声波构件密封血管,并使用外科切割器切断密封的血管。 替代方法类似地横切患者组织并将血管密封在其中。 超声外科剪切组织垫包括比横向中心部分更具弹性的第一和第二横向外部部分。