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    • 81. 发明授权
    • Intravenous tube safety apparatus
    • 静脉管安全装置
    • US5300044A
    • 1994-04-05
    • US45291
    • 1993-04-12
    • Donald J. ClasseyTheresa GrajoKenneth LynnJohn McVeyEric MyrenGabriel Vehovsky
    • Donald J. ClasseyTheresa GrajoKenneth LynnJohn McVeyEric MyrenGabriel Vehovsky
    • A61M5/00A61M5/142A61M5/168A61M5/175A61M39/28
    • A61M39/281A61M39/287A61M2205/60A61M5/142A61M5/14228Y10S128/12
    • The present invention provides an apparatus for use in a peristaltic pump 20 which prevents an inadvertent free flow condition prior to loading or after removal of an I.V. tube 26 in the peristaltic pump 20 and which also prevents the inadvertent occlusion of a loaded I.V. tube 26 in the peristaltic pump 20. A standard I.V. tube 26 has a slide clamp 109 provided thereon. The apparatus includes an I.V. tube groove 29 into which the I.V. tube 26 is positioned, a slide clamp receiving area 62 into which the slide clamp 109 is inserted, and a biased sliding member 81 which the inserted slide clamp 109 engages such that the I.V. tube 26 cannot be loaded into the apparatus without the slide clamp 109 occluding the I.V. tube 26. The present invention also contemplates a slide clamp 109, compatible with the apparatus having a surface pad 125 for facilitating automated identification of the slide clamp 109, in cooperation with a nonobstructive sensor 85 in the safety apparatus. The present invention further contemplates a slide clamp 109'. having an I.V. tube receiving aperture 110'with an inner diameter profile which minimizes friction between I.V. tube contacting surfaces 126 of the aperture 110'as an I.V. tube 26 is slid transverse to its length within the aperture 110' and which has a surface pad 125 for facilitating automated identification of the slide clamp.
    • 本发明提供一种在蠕动泵20中使用的装置,其防止在装载之前或之后除去I.V.之前的无意的自由流动状态。 蠕动泵20中的管26,并且还防止加载的IV的意外闭塞。 蠕动泵20中的管26。 管26具有设置在其上的滑动夹具109。 该装置包括I.V. 管槽29,其中I.V. 管26定位,滑动夹具109插入其中的滑动夹具接收区域62和插入的滑动夹具109接合的偏置滑动构件81,使得I.V。 管26不能装载到装置中,而不夹紧I.V的滑动夹具109。 本发明还考虑与安全装置中的无阻尼传感器85协作的与具有表面垫125的装置兼容的滑动夹具109,以便于自动识别滑动夹具109。 本发明进一步考虑了滑动夹具109'。 有一个 管接收孔110'具有内径分布,其使得I.V. 孔110'的管接触表面126为I.V. 管26在孔110'内横向于其长度滑动,并且具有表面垫125,以便于自动识别滑动夹具。
    • 83. 发明授权
    • Flow clamp device
    • 流动钳装置
    • US4205819A
    • 1980-06-03
    • US916602
    • 1978-06-19
    • Emil Soika
    • Emil Soika
    • A61M39/28F16K7/06
    • A61M39/28A61M39/287
    • An adjustable clamp for controlling the flow of fluid through a flexible tubing having deformable walls has an elongated, externally threaded body having an axial bore through which the tubing passes. One end of the body contains one or more longitudinally slots communicating with the bore, in which slot is located an elongated arm or wing hinged at one of its ends to the body, the other end of the arm being free to move radially within the slot. The radial height of the arm tapers, being a maximum at its free end and a minimum at its hinged end. A threaded nut engaging the thread on the body is provided with a bearing surface which contacts the tapered surface of the arm. As the nut is turned in a direction to move it towards the slotted end of the body, the arm is progressively forced into the slot, deforming the enclosed tubing to an increasing degree, thereby permitting control of the flow of fluid through the tubing.
    • 用于控制通过具有可变形壁的柔性管的流体流动的可调节夹具具有细长的外螺纹体,其具有管道通过的轴向孔。 主体的一端包含一个或多个与孔连通的纵向狭槽,其中狭槽位于其一端处铰接到主体的细长臂或翼,臂的另一端可自由地在狭槽内径向移动 。 臂的径向高度在其自由端处是最大的,并且在其铰接端处最小。 接合主体上的螺纹的螺纹螺母设置有与臂的锥形表面接触的支承表面。 当螺母沿着使其朝向主体的开槽端部移动的方向转动时,臂逐渐被迫进入槽中,使封闭的管道变得越来越大程度,从而允许控制流体通过管道的流动。
    • 84. 发明授权
    • Clamp for regulating flow through plastic-tubing
    • 用于调节流过塑料管的夹具
    • US4047694A
    • 1977-09-13
    • US764406
    • 1977-01-31
    • Marvin Adelberg
    • Marvin Adelberg
    • A61M39/28F16K7/06
    • A61M39/286A61M39/287
    • Tubing through which fluid flow is to be regulated is placed in a regulating clamp wherein it is clamped between a roller wheel and a surface having a variable cross-sectional area channel extending therealong. This surface is parallel to the travel path of the wheel, and thus there is a constant separation distance between these two elements for all wheel positions. Flow rate through the tubing is changed by longitudinal adjustment of the position of the roller wheel, the ratio of the portion of the tubing which is clamped between the wheel and the surfact to that which is not clamped and over the channel thereby being varied. A plurality of ridge elements are formed in the surface and act to locally pinch or grip the tubing at discrete intervals, thereby substantially lessening creep of the plastic tubing. The edges of the roller wheel are undercut so as to form recessed shoulders which provides spaces into which the outer edges of the tubing can migrate, the width of the thus formed shoulders being sufficiently small so as to prevent the formation of a flow lumen in the edges of the tubing when the tubing is being clamped. Pinching action of the ridge elements combined with migration space provided by the recessed wheel shoulder portions for the edges of the tubing provide an improved minimization of flow rate change once the clamp has been set for the desired rate of flow. In addition, this combination of structure avoids increase in flow rate following a large tug on the tubing tending to cause the stretching thereof.
    • 通过哪个流体流被调节的管道被放置在调节夹具中,其中它被夹持在辊轮和具有沿其延伸的可变横截面积通道的表面之间。 该表面平行于车轮的行进路径,因此在所有车轮位置的这两个元件之间存在恒定的间隔距离。 通过管道的流速通过辊轮的位置的纵向调节而改变,夹在轮和表面之间的管道的部分的比率与未被夹紧的通道的管道的比例在通道上变化。 多个脊元件形成在表面中并用于以离散的间隔局部夹紧或夹持管道,从而基本上减轻塑料管的蠕变。 辊轮的边缘被切下,以便形成凹入的肩部,其提供管道的外边缘可以移动的空间,由此形成的肩部的宽度足够小,以便防止在 当管路被夹紧时,管道的边缘。 与用于管道边缘的凹轮轮肩部分提供的迁移空间结合的脊元件的夹紧动作一旦将夹具设定为期望的流速即可改善流量变化的最小化。 此外,这种结构的组合避免了管道上的大拖轮之后的流量增加,倾向于导致其拉伸。
    • 90. 发明申请
    • AUTOMATIC CLAMP APPARATUS FOR IV INFUSION SETS USED IN PUMP DEVICES
    • 自动夹钳装置用于泵装置中使用的IV输液装置
    • WO2006019519A1
    • 2006-02-23
    • PCT/US2005/022453
    • 2005-06-24
    • CARDINAL HEALTH 303, INC.
    • CLARKE, Christopher, J.RUEDI, Rene
    • A61M39/28
    • F16K7/066A61M39/281A61M39/287
    • A clamp apparatus (20) for selectively occluding a tube comprises a base member (22) to which the tube is attached or through which it passes, and a slide clamp (24) that slides relative to the base member and relative to the tube. The aperture (38) in the slide clamp has a relatively open hole, through which the tube passes when the clamp is an open position, and a relatively constricted slot preventing fluid flow through the tube. A deflectable cantilevered locking arm (60) on the base interlocks with a detent (48) on the slide clamp to lock the slide clamp at the occluding position. A release tab (64) to release the locking arm from the slide clamp is located off center to avoid inadvertent activation. The deflectable arm is unstressed when the slide clamp is in either the occluding or the open positions.
    • 用于选择性地闭塞管的夹紧装置(20)包括:管子被连接到其上的基部构件(22),以及通过该基部构件(22),以及相对于基部构件相对于管滑动的滑动夹具(24)。 滑动夹具中的孔(38)具有相对开放的孔,当夹具处于打开位置时管通过该孔,并且相对收缩的槽阻止流体流过管。 基座上的可偏转悬臂锁定臂(60)与滑动夹具上的止动件(48)互锁,以将滑动夹具锁定在闭塞位置。 从滑动夹具释放锁定臂的释放突片(64)位于中心以避免无意的激活。 当夹具处于闭塞位置或打开位置时,可偏转臂不受应力。