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    • 1. 发明申请
    • Surgical cassette
    • 手术盒
    • US20070172368A1
    • 2007-07-26
    • US11338491
    • 2006-01-24
    • Mark HopkinsKamran SalariDavid Williams
    • Mark HopkinsKamran SalariDavid Williams
    • F04B43/12
    • F04B43/14A61M1/0058A61M1/0072A61M2205/128A61M2210/0612F04B43/0054F04B43/1269
    • A cassette having an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. A flow channel is molded into the rigid substrate that corresponds to a flow channel molded into the elastomeric sheet. The cassette is used in combination with a peristaltic pump having pump head rollers that are mounted radially from the axis of rotation of the pump motor so as to compress the elastomeric flow channels against the rigid substrate during operation. The flow channels molded into the rigid substrate have smooth, fluid lines free from sharp edges and abrupt direction changes and correspond with the fluid channels molded into the elastomeric sheet so as to provide a transition region with a relatively constant cross-section over its entire length that approximates the cross-sectional area of the flow channels molded into the rigid substrate and the fluid channel molded into the elastomeric sheet so that the entire fluid path is of relatively constant cross-sectional area.
    • 一种具有弹性体片材的盒子,该弹性片材粘合或机械地附接到刚性基底。 将流动通道模制到对应于模制到弹性体片材中的流动通道的刚性基底中。 该盒与具有泵头辊的蠕动泵组合使用,泵头辊从泵电动机的旋转轴线径向安装,以便在操作期间将弹性体流动通道压靠在刚性基板上。 模制到刚性基材中的流动通道具有平滑的流体管线,没有锋利的边缘和突然的方向改变,并且对应于模制到弹性体片材中的流体通道,以便提供在整个长度上具有相对恒定横截面的过渡区域 其近似于模制到刚性基底中的流动通道的横截面积和模制到弹性体片材中的流体通道,使得整个流体路径具有相对恒定的横截面积。
    • 9. 发明授权
    • System and method operable to prevent tubing displacement within a peristaltic pump
    • 系统和方法可操作以防止蠕动泵内的管路位移
    • US08500421B2
    • 2013-08-06
    • US11618840
    • 2006-12-31
    • David DomashMark HopkinsNader Nazarifar
    • David DomashMark HopkinsNader Nazarifar
    • F04B43/08F04B43/12
    • F04B43/14F04B43/12
    • Embodiments to the present invention provide a peristaltic pump. This peristaltic pump includes a flexible flow path, an exterior casing, an elastomeric member, and a number of rollers driven by a motor. The exterior casing and elastomeric member have a first and second annular recess, respectively. An annular flow path guide is formed when the exterior casing and elastomeric member are mechanically coupled. Rollers move along the annular flow path to compress and release the flexible flow path and in so doing draw fluid through the flexible flow patch to achieve pumping action. Mechanical guides proximate to the first annular recess and second annular recess prevent relative motion between the first annular recess and second annular recess ensuring that the flexible flow path remains in place.
    • 本发明的实施例提供一种蠕动泵。 该蠕动泵包括柔性流动路径,外部壳体,弹性体构件以及由马达驱动的多个滚子。 外壳和弹性构件分别具有第一和第二环形凹部。 当外壳和弹性体构件机械联接时,形成环形流路引导件。 辊沿着环形流动路径移动以压缩和释放柔性流动路径,并且如此地通过柔性流动补片抽吸流体以实现泵送动作。 靠近第一环形凹部和第二环形凹槽的机械导轨防止第一环形凹部和第二环形凹部之间的相对运动,确保柔性流动路径保持在适当位置。