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    • 4. 发明申请
      US20090192446A1 Pressure responsive fluid flow control valves 审中-公开
    • Pressure responsive fluid flow control valves
    • 压力响应流体流量控制阀
    • US20090192446A1
    • 2009-07-30
    • US12228618
    • 2008-08-14
    • John Landy, III , Michael Gildersleeve
    • John Landy, III , Michael Gildersleeve
    • A61M1/00 , F15C4/00
    • A61M5/16881 , G05D16/0647 , Y10T137/0379 , Y10T137/7836
    • In one set of embodiments a selected section of tubular stock has its ends welded together to form a pillow-like pressure sensing device with an entry tube and an exit tube each configured to facilitate insertion of the pressure sensing device into the flow path of IV infusate in an IV administration set or system. Fluid pressure in excess of a predetermined amount reconfigures the pressure sensing device from a generally oval configuration to a generally circular configuration to restrict and/or cut off fluid flow into the device while permitting fluid flow from the device to reduce the fluid pressure again reconfiguring the device back to its generally oval configuration and permitting fluid flow into and through the device.In other embodiments a fluid pressure sensing device is formed with a fluid entry chamber and a fluid exit chamber interconnected by a passageway and provided with a piston that reacts to an increase in fluid pressure above a predetermined amount to close off the interconnection between the chambers and fluid flow into the exit chamber. Continued fluid flow from the eit chamber results in a reduction of fluid therein and reopening of the fluid passageway between the chambers.
    • 在一组实施例中，管状坯料的选定部分的端部焊接在一起以形成枕头状压力感测装置，其具有入口管和出口管，每个构造成便于将压力感测装置插入IV输注物的流动路径 在IV管理组或系统中。 超过预定量的流体压力将压力感测装置从大致椭圆形构造重新配置到大致圆形的构造，以限制和/或切断流入装置的流体流体，同时允许流体从装置流出，以再次重新配置流体压力 装置回到其大致椭圆形的构造并且允许流体流入和穿过该装置。 在其它实施例中，流体压力感测装置形成有流体入口室和流体出口室，其通过通道互连并设置有活塞，该活塞对流体压力的增加反应超过预定量以封闭腔室之间的互连 流体流入出口室。 来自室的持续的流体流动导致其中的流体减少并且在室之间重新打开流体通道。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 7. 发明申请
      US20070051409A1 Pressure responsive fluid flow control valves 审中-公开
    • Pressure responsive fluid flow control valves
    • 压力响应流体流量控制阀
    • US20070051409A1
    • 2007-03-08
    • US11218896
    • 2005-09-02
    • John Landy , Michael Gildersleeve
    • John Landy , Michael Gildersleeve
    • F16K31/36
    • A61M5/16881 , G05D16/0647 , Y10T137/0379 , Y10T137/7836
    • In one set of embodiments a selected section of tubular stock has its ends welded together to form a pillow-like pressure sensing device with an entry tube and an exit tube each configured to facilitate insertion of the pressure sensing device into the flow path of IV infusate in an IV administration set or system. Fluid pressure in excess of a predetermined amount reconfigures the pressure sensing device from a generally oval configuration to a generally circular configuration to restrict and/or cut off fluid flow into the device while permitting fluid flow from the device to reduce the fluid pressure again reconfiguring the device back to its generally oval configuration and permitting fluid flow into and through the device. In other embodiments a fluid pressure sensing device is formed with a fluid entry chamber and a fluid exit chamber interconnected by a passageway and provided with a piston that reacts to an increase in fluid pressure above a predetermined amount to close off the interconnection between the chambers and fluid flow into the exit chamber. Continued fluid flow from the eit chamber results in a reduction of fluid therein and reopening of the fluid passageway between the chambers.
    • 在一组实施例中，管状坯料的选定部分的端部焊接在一起以形成枕头状压力感测装置，其具有入口管和出口管，每个构造成便于将压力感测装置插入IV输注物的流动路径 在IV管理组或系统中。 超过预定量的流体压力将压力感测装置从大致椭圆形构造重新配置到大致圆形的构造，以限制和/或切断流入装置的流体流体，同时允许流体从装置流出，以再次重新配置流体压力 装置回到其大致椭圆形的构造并且允许流体流入和穿过该装置。 在其它实施例中，流体压力感测装置形成有流体入口室和流体出口室，其通过通道互连并设置有活塞，该活塞对流体压力的增加反应超过预定量以封闭腔室之间的互连 流体流入出口室。 来自室的持续的流体流动导致其中的流体减少并且在室之间重新打开流体通道。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 9. 发明授权
      US11123484B2 Pressure responsive fluid flow control valves 有权
    • Pressure responsive fluid flow control valves
    • US11123484B2
    • 2021-09-21
    • US12228618
    • 2008-08-14
    • John Joseph Landy, III , Michael Gildersleeve
    • John Joseph Landy, III , Michael Gildersleeve
    • A61M5/168 , G05D16/06
    • In one set of embodiments a selected section of tubular stock has its ends welded together to form a pillow-like pressure sensing device with an entry tube and an exit tube each configured to facilitate insertion of the pressure sensing device into the flow path of IV infusate in an IV administration set or system. Fluid pressure in excess of a predetermined amount reconfigures the pressure sensing device from a generally oval configuration to a generally circular configuration to restrict and/or cut off fluid flow into the device while permitting fluid flow from the device to reduce the fluid pressure again reconfiguring the device back to its generally oval configuration and permitting fluid flow into and through the device.
      In other embodiments a fluid pressure sensing device is formed with a fluid entry chamber and a fluid exit chamber interconnected by a passageway and provided with a piston that reacts to an increase in fluid pressure above a predetermined amount to close off the interconnection between the chambers and fluid flow into the exit chamber. Continued fluid flow from the eit chamber results in a reduction of fluid therein and reopening of the fluid passageway between the chambers.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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