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    • 3. 发明授权
    • Low volume, large area filters for IV or blood filtration
    • 低体积,大面积过滤器用于IV或血液过滤
    • US4517090A
    • 1985-05-14
    • US597564
    • 1984-04-06
    • Jean KerstenJean M. Mathias
    • Jean KerstenJean M. Mathias
    • A61M5/165B01D27/04B01D29/11B01D29/16
    • B01D29/111A61M5/165
    • There is disclosed herein a flow-through medical filter element which includes surface or depth filter media and a frame-like structure for supporting and positioning the media. The frame-like structure is a molded member which includes a ring-like inlet, a fluid-impervious terminal end spaced from the inlet and a plurality of rib-like members which extend between and interconnect the inlet end and terminal end. The inlet end includes internally-extending pleat-supporting projections and the terminal end has complementary externally-extending pleat-supporting shoulders. The frame-like structure is symmetrical about an axial plane which includes the mold parting line. The external shoulders are formed at angles which permits separation of a mold along the parting line and release of the part. The filter media also includes longitudinal pleats and is secured at its ends to the pleat-supporting projections associated with the inlet end and to the external pleat-supporting shoulders at the terminal end. Thus blood enters the filter element flows through the media and thereafter exits the filter element.This construction permits for a molding operation and provides a high surface area filter for use in existing units.
    • 这里公开了一种流通式医疗过滤器元件,其包括表面或深度过滤介质和用于支撑和定位介质的框架状结构。 框状结构是模制构件,其包括环状入口,与入口间隔开的不透液体的端部和在入口端和终端之间延伸并互连的多个肋状构件。 入口端包括内部延伸的褶皱支撑突起,并且终端具有互补的外部延伸的褶皱支撑肩部。 框架状结构关于包括模具分型线的轴向平面对称。 外肩形成为允许模具沿分型线分离并释放零件的角度。 过滤介质还包括纵向褶皱,并且在其端部固定到与入口端相关联的褶皱支撑突起和在端部处的外部褶皱支撑肩部。 因此,血液进入过滤元件流过介质,然后离开过滤元件。 这种结构允许模制操作,并提供用于现有单元的高表面积过滤器。
    • 6. 发明授权
    • Spike connector
    • 尖峰连接器
    • US4411661A
    • 1983-10-25
    • US399511
    • 1982-07-19
    • Jean Kersten
    • Jean Kersten
    • A61M5/162B67B7/48B67B7/24A61M5/16
    • A61M5/162
    • A spike connector (10) of the type in which a hollowed spike (14) extending from the main body portion (12) of the spike connector is inserted into the stopper of a fluid source in order to convey the fluid from the source through the spike (14) and main body portion (12). The main body portion (12) includes a pair of wings (32, 34) which extend upwardly in the direction of the spike and outwardly therefrom, with the tops of the wings serving to space the remaining top of the main body portion (12) away from the fluid source stopper to prevent collection of the solution on the top of the main body portion. The undersides (36, 38) of the wings (32, 34) form a convenient finger grip. The tip portion (30) of the spike is relatively polished to enable easy insertion of the spike into the stopper.
    • 一种尖头连接器(10),其中从尖头连接器的主体部分(12)延伸的中空的尖钉(14)插入到流体源的塞子中,以便将来自源的流体通过 钉(14)和主体部分(12)。 主体部分(12)包括一对翼部(32,34),它们沿尖头的方向向上延伸并向外延伸,翼的顶部用于使主体部分(12)的剩余顶部空间, 远离流体源止动器,以防止溶液收集在主体部分的顶部。 机翼(32,34)的下侧(36,38)形成方便的手指抓握。 尖头的尖端部分(30)被相对抛光,以便能够将尖钉容易地插入塞子中。
    • 9. 发明授权
    • Roller clamp for defining a flow lumen in tubing
    • 用于在管道中定义流腔的滚子夹
    • US4270725A
    • 1981-06-02
    • US98220
    • 1979-11-27
    • James W. ScottJoseph A. BancsiJean Kersten
    • James W. ScottJoseph A. BancsiJean Kersten
    • F16K7/06A61M39/28F16L55/14
    • A61M39/286Y10T307/878
    • A two piece roller clamp is disclosed for regulating the fluid flow rate through plastic tubing by defining the size of the tubing lumen. The clamp includes a U-shaped body with a base and two side walls and a longitudinally movable roller mounted in tracks formed in the side walls. The roller is biased against a roller bearing surface running along the length of the base. Adjacent to the roller bearing surface is a tube compression slot having a lower wall uniformly spaced below the roller. A channel of varying cross-section is provided in the lower wall of the tube compression slot. The roller exerts a uniform, but minimal force on the tubing compressing it against the lower wall of the slot permitting the formation of a lumen defined by the contours of the channel. The slot is dimensioned vertically to provide for the minimal compression force by the roller and is dimensioned horizontally to confine the entire compressed cross-section of tubing without excess space thereby conforming the tubing to the contours of the channel to regulate the lumen size. A uniform compression force is maintained during longitudinal movement of the roller by the roller bearing surfaces which prevent perpendicular movement of the roller towards the slot.
    • 公开了一种两件式的辊夹,用于通过限定管腔的尺寸来调节通过塑料管的流体流速。 夹具包括具有基部和两个侧壁的U形主体和安装在形成在侧壁中的轨道中的纵向移动的滚子。 滚轮被偏压抵靠沿基座长度延伸的滚子轴承表面。 与滚子轴承表面相邻的是管压缩槽,其具有在辊下方均匀间隔开的下壁。 在管压缩槽的下壁设置有横截面变化的通道。 辊对管道施加均匀的但是最小的力,将其压缩到狭槽的下壁,从而形成由通道的轮廓限定的内腔。 狭槽的尺寸垂直设置以提供辊的最小的压缩力,并且其水平尺寸限定管道的整个压缩横截面,而不会有过多的空间,从而使管道与通道的轮廓一致以调节管腔尺寸。 在辊的纵向移动期间通过滚子轴承表面保持均匀的压缩力,这防止辊朝向槽的垂直移动。