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    • 3. 发明专利
    • Anticlotting device and method for iv catheters
    • AU3730993A
    • 1993-09-03
    • AU3730993
    • 1993-02-17
    • NAKAO NAOMI L
    • NAKAO NAOMI LWILK PETER J
    • A61M5/14A61M5/168A61M25/00A61M5/00
    • A method for use in an intravenous tube assembly comprises the steps of automatically monitoring liquid flow along a fluid flow path extending through an intravenous catheter to detect at least a partial cessation of flow along the fluid flow path and, upon detecting a diminution of liquid flow along the fluid flow path, automatically feeding an anticlotting agent to the fluid flow path. An assembly for implementing the method takes the form of a systolic actuator for dividing the fluid flow into successive aliquots which can be timed. The systolic actuator extracts energy from the fluid stream and monitors the stream via the extracted energy. Alternatively, a pressure device is operatively connected to the catheter for automatically detecting at least a partial cessation of liquid flow along a fluid flow path extending through the catheter. The assembly also includes a feeder mechanism operatively connected to the catheter and the sensing device for automatically feeding an anticlotting agent to the fluid flow path through the catheter upon a detection by the sensing device of a diminution of liquid flow along the fluid flow path and, more particularly, of intravenous liquid flow in a distal direction into a patient's circulatory system.
    • 7. 发明申请
    • ENDOSCOPE RETRIEVAL INSTRUMENT ASSEMBLY
    • 内窥镜检查仪器组件
    • WO2007011928A3
    • 2009-04-16
    • PCT/US2006027814
    • 2006-07-14
    • GRANIT MEDICAL INNOVATIONS LLCNAKAO NAOMI L
    • NAKAO NAOMI L
    • A61B17/24
    • A61B17/221A61B17/32056A61B2017/00269A61B2017/00287A61B2017/2212
    • A medical instrument includes an elongate tubular introducer member, an elongate slider member disposed at least partially inside the tubular member, a loop provided at a distal end of the slider member, a pouch connected to the loop so that the loop defines a mouth opening of the pouch and so that the pouch is slidable along at least a proximal portion of the loop, and a tether connected to the pouch at a proximal side thereof. The tether extends into the tubular member and is fastened to the tubular member at a location spaced by a distance from a distal tip of the tubular member. The tether has a length from the fastening location to the pouch that is less than the distance between the location and the tip of the tubular member.
    • 医疗器械包括细长管状导引器构件,至少部分地设置在管状构件内部的细长滑动构件,设置在滑动构件的远端处的环,连接到环的袋,使得环限定开口 并且使得袋可以沿着环的至少近端部分滑动,并且在其近侧连接到小袋的系绳。 系绳延伸到管状构件中并且在与管状构件的远侧尖端间隔开一定距离的位置处紧固到管状构件。 系绳具有从紧固位置到小袋的长度小于管状构件的位置和尖端之间的距离。
    • 8. 发明申请
    • ROTATING FINE NEEDLE FOR CORE TISSUE SAMPLING
    • 旋转精细针头用于核心组织采样
    • WO2006058328A2
    • 2006-06-01
    • PCT/US2005043098
    • 2005-11-29
    • GRANIT MED INNOVATION LLCKIM YOUNG MINNAKAO NAOMI L
    • NAKAO NAOMI L
    • A61B10/00
    • A61B17/32002A61B10/0266A61B10/0275A61B10/0283A61B10/04A61B17/32053A61B2010/0225A61B2010/045A61B2017/0046
    • A medical instrument usable with an ultrasound-endoscope for performing a needle biopsy on a patient's internal body tissues usable at a surgical site not visible to the unaided eye or viewed endoscopically, comprises an elongate tubular member with a hollow needle element connected at its distal end, a sheath member housing said tubular member and needle element, an actuator subassembly with a shifter member operatively connected to elongate tubular member's proximal end, and a distal camming subassembly, said subassembly enabling a rotating motion of said needle member while handle actuator is moved in the forward direction. Upon inserting an ultrasound-endoscope into a patient and locating a mass, the fine needle with sharply pointed spoon shaped distal end is inserted into the mass aided by endoscopic and ultrasonographic guidance. Once in the mass, a camming action is initiated, causing rotation of the fine needle within the mass, resulting in a scooped out core biopsy. This instrument enables the performance of a fine needle aspiration requiring only one or two needle introductions, with a resultant core biopsy substantial enough for diagnostic purposes.
    • 一种可用于超声内窥镜的医疗器械,用于对患者的内部身体组织进行针穿刺活检,所述组织可用于在肉眼不可见或内窥镜观察的外科手术部位,或者内窥镜观察,包括细长管状部件,其中空针元件在其远端连接 外壳构件,其容纳所述管状构件和针元件,致动器子组件,其具有可操作地连接到细长管状构件的近端的移位器构件和远端凸轮组件,所述子组件能够在手柄致动器移动时所述针构件的旋转运动 前进方向。 将超声波内窥镜插入患者体内并定位质量时,通过内窥镜和超声波引导将具有尖尖勺形末端的细针插入到质量中。 一旦在质量中,开始凸轮动作,导致细针在质量块内旋转,导致舀出的芯活检。 该仪器使得能够执行仅需要一个或两个针引入的细针抽吸,其中所得到的核心活检足以用于诊断目的。
    • 9. 发明申请
    • ENDOSCOPIC STAPLING DEVICE AND METHOD
    • 内窥镜装订和方法
    • WO1992019144A2
    • 1992-11-12
    • PCT/US1992003589
    • 1992-04-30
    • NAKAO, NaomiWILK, Peter, J.
    • A61B0
    • A61B17/10A61B17/0682A61B17/122A61B17/1222A61B17/1285A61B2017/00535A61B2017/00539A61B2017/00544A61B2017/2905
    • A surgical instrument comprises an elongate forceps member having a diameter sufficiently small so that the forceps member is slidably insertable into a biopsy channel extending longitudinally through a tubular endoscope member, the forceps member being provided at a distal end with a pair of forceps jaws each formed on an inwardly facing surface with a longitudinally extending groove. A staple having a spring bias construction tending to force the staple into an opened configuration is disposed in a closed prefiring configuration between the jaws and has a pair of legs each disposed in the closed prefiring configuration in a respective one of the grooves in the forceps jaws. The staple is provided with locking elements for locking the staple in a closed postfiring configuration.
    • 手术器械包括细长的钳子构件,其具有足够小的直径,使得镊子构件可滑动地插入到纵向延伸穿过管状内窥镜构件的活检通道中,镊子构件在远端设置有一对镊子爪,每个镊子形成 在具有纵向延伸凹槽的面向内的表面上。 具有倾向于将订书钉压入打开构造的弹簧偏压结构的订书针被设置在夹爪之间的封闭预制配置中,并且具有一对脚,每个脚以镊子钳口中的相应一个凹槽中的闭合预制配置 。 订书钉装有锁定元件,用于将订书钉锁定在封闭的后期配置中。