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    • 3. 发明授权
    • Device for the intravenous or enteric infusion of liquids into the human
body at a predetermined constant rate
    • 用于以预定的恒定速率将液体静脉内或肠液输入人体内的装置
    • US4335835A
    • 1982-06-22
    • US161330
    • 1980-06-20
    • Myron A. BeiglerHal C. Danby
    • Myron A. BeiglerHal C. Danby
    • A61M5/148A61M5/168B65D35/28
    • A61M5/1483A61M5/16809Y10T137/86413
    • A portable device for accurately metering a liquid for intravenous or enteric infusion into a patient's body in which the pressure from a pressure source is utilized to pressurize the liquid and the pressurized liquid becomes the sole driving force to meter and to infuse the liquid into the body. The pressurized liquid is applied alternately to one of a pair of flexible liquid bladders the other one being connected to a discharge device such as a tube so that, as one liquid bladder is filled with pressurized liquid, the other bladder is emptied into the patient. The expanding liquid bladder and the contracting liquid bladder cooperate with a teeter totter type control which applies pressure to the contracting liquid bladder and is damped to control the rate of expansion and contraction. The position of the teeter totter controls the valving for applying pressurized fluid from one side to the opposite by alternatively selecting channels of fluid flow to each liquid bladder. The angular motion of the teeter totter is controlled by a pair of flexible damping bladders connected through an adjustable constant flow valve which is disposed on the side of the teeter totter opposite the liquid bladders.
    • 用于精确计量用于静脉内或肠内输注到患者体内的液体的便携式装置,其中利用来自压力源的压力来加压液体和加压液体成为衡量液体并将液体注入体内的唯一驱动力 。 加压液体被交替地施加到一对柔性液体囊中的一个,另一个连接到诸如管的排出装置,使得当一个液体囊被充满加压的液体时,另一个膀胱被排空到患者体内。 扩张的液体膀胱和收缩液囊与te子式ter型控制配合,其对收缩液囊施加压力并被阻尼以控制膨胀和收缩的速率。 踩踏器的位置通过交替地选择流体流向每个液体囊的通道来控制用于将加压流体从一侧施加到相对的阀。 跷跷板的角度运动由一对柔性阻尼气囊控制,柔性阻尼气囊通过可调恒定流量阀连接,该可调节恒流阀设置在与液体气囊相对的跷跷板侧。
    • 4. 发明授权
    • Device for the intravenous or enteric infusion of liquids into the human
body at a predetermined constant rate
    • 用于以预定的恒定速率将液体静脉内或肠液输入人体内的装置
    • US4237881A
    • 1980-12-09
    • US972730
    • 1978-12-26
    • Myron A. BeiglerHal C. Danby
    • Myron A. BeiglerHal C. Danby
    • A61M5/152A61M5/148A61M5/175A61M5/00A61B5/02
    • A61M5/1483
    • A portable device for accurately metering a liquid for intravenous or enteric infusion into a patient's body in which the pressure from a pressure source is utilized to pressurize the liquid and the pressurized liquid becomes the sole driving force to meter and to infuse the liquid into the body. The pressurized liquid is applied alternately to one of a pair of flexible liquid bladders the other one being connected to a discharge device, such as a tube, so that, as one liquid bladder is filled with pressurized liquid, the other bladder is emptied into the patient. The expanding liquid bladder and the contracting liquid bladder cooperate with a teeter totter type control which applies pressure to the contracting liquid bladder and is damped to control the rate of expansion and contraction. The position of the teeter totter controls the valving for applying pressurized fluid from one side to the opposite by alternatively selecting channels of fluid flow to each liquid bladder. The angular motion of the teeter totter is controlled by a pair of flexible damping bladders connected through an adjustable constant flow valve which is disposed on the side of the teeter totter opposite the liquid bladders.
    • 用于精确计量用于静脉内或肠内输注到患者体内的液体的便携式装置,其中利用来自压力源的压力来加压液体和加压液体成为衡量液体并将液体注入体内的唯一驱动力 。 加压液体被交替地施加到一对柔性液体囊中的一个,另一个连接到诸如管的排出装置,使得当一个液体囊充满加压液体时,另一个囊被排空到 患者。 扩张的液体膀胱和收缩液囊与te子式ter型控制配合,其对收缩液囊施加压力并被阻尼以控制膨胀和收缩的速率。 踩踏器的位置通过交替地选择流体流向每个液体囊的通道来控制用于将加压流体从一侧施加到相对的阀。 跷跷板的角度运动由一对柔性阻尼气囊控制,柔性阻尼气囊通过可调恒定流量阀连接,该可调节恒流阀设置在与液体气囊相对的跷跷板侧。
    • 7. 发明授权
    • Volumetric infusion pump with servo valve control
    • 体积输液泵带伺服阀控制
    • US06398760B1
    • 2002-06-04
    • US09410676
    • 1999-10-01
    • Hal C. Danby
    • Hal C. Danby
    • A61M3700
    • A61M5/1483A61M5/16881
    • An infusion pump (10) includes a reservoir (18) containing a therapeutic liquid to be infused. The reservoir (18) includes an outlet (36) for the liquid. A volumetric air pump (24) is operatively associated with the reservoir (18) to pressurize the reservoir and thus drive liquid out the outlet (36). A valve (12) is operatively associated with the outlet (36) and prevents the flow of liquid through the outlet until a select threshold pressure is obtained in the outlet. The valve thereafter maintains an opening in the outlet that keeps the pressure in the reservoir (18) at substantially the select threshold pressure, whereby the volumetric flow rate of liquid through the outlet (36) is proportional to the volumetric flow rate of air from the volumetric air pump (24). The valve (12) varies the opening in the outlet to maintain the select pressure. The outlet preferably consists of a flexible conduit (36) having a select undeformed inner cross-sectional area and the valve (12) variably restricts the flow of liquid through the outlet by pinching a segment of the conduit to vary the inner cross-sectional area of the segment of the conduit. A method of infusing therapeutic liquid to a patient includes providing a reservoir (18) containing a therapeutic liquid, providing a volumetric air pump (24) to pressurize the reservoir to flow liquid out the liquid reservoir through an outlet (36) and maintaining a select pressure in the reservoir so that liquid through the liquid outlet is proportional to the volumetric flow rate of the volumetric air pump.
    • 输液泵(10)包括容纳待注入的治疗液体的容器(18)。 储存器(18)包括用于液体的出口(36)。 容积式空气泵(24)与储存器(18)可操作地相关联,以对储存器加压,从而将液体驱出出口(36)。 阀(12)与出口(36)可操作地相关联并且防止液体流过出口,直到在出口中获得选择的阈值压力。 此后,阀门保持在出口中的开口,其将储存器(18)中的压力保持在基本上的选择阈值压力,由此通过出口(36)的液体的体积流量与来自 容积式空气泵(24)。 阀(12)改变出口中的开口以保持选择压力。 出口优选地由具有选择未变形的内部横截面积的柔性导管(36)组成,并且阀(12)通过夹住管道的一部分可变地限制液体流过出口的流动,以改变内部横截面积 的管道段。 向患者输注治疗液体的方法包括提供容纳治疗液体的储存器(18),提供容积空气泵(24)以对储存器加压,以通过出口(36)将液体流出液体储存器并保持选择 储存器中的压力使得通过液体出口的液体与体积空气泵的体积流量成比例。
    • 10. 发明授权
    • Pinch valve assembly
    • 夹管阀组件
    • US4559045A
    • 1985-12-17
    • US493182
    • 1983-05-10
    • Hal C. DanbyCarl Ritson
    • Hal C. DanbyCarl Ritson
    • F16K7/06A61M5/168A61M39/28A61M5/00
    • A61M39/28
    • A disposable pinch valve assembly for parenteral solution delivery systems comprises a two-piece tubing receptor housing hingedly connected and with an irreversible snap connection which will not permit removal of the device from parenteral tubing after assembly. A back section has an integral movable pressure plate attached to the housing by integral flexible web connectors. When the movable plate is actuated toward the stationary press surface, tubing is pinched therebetween and the cross-section area of the flow passage through the tubing is reduced. The movable pressure plate is designed to engage a actuator connector which engages the device with a motor-driven actuator in an axially sliding engagement.
    • 用于肠胃外溶液输送系统的一次性夹管阀组件包括铰链连接的两件式管接收器壳体和具有不可逆的卡扣连接,其不会在组装之后从肠胃外管道中移除该装置。 背部具有通过整体柔性腹板连接器附接到壳体的整体可移动压板。 当可移动板朝着固定的压力表面致动时,管道被夹在其间,并且通过管道的流动通道的横截面积减小。 可移动压板被设计成接合致动器连接器,该致动器连接器在轴向滑动接合中与马达驱动致动器接合。