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    • 11. 发明申请
    • METHODS FOR CAPICITANCE VOLUME CORRECTION IN FLUID DELIVERY SYSTEMS
    • 流体输送系统中容量修正的方法
    • WO2009051995A1
    • 2009-04-23
    • PCT/US2008/079160
    • 2008-10-08
    • MEDRAD, INC.JOYCE, Thomas, P.SPOHN, Michael, A.
    • JOYCE, Thomas, P.SPOHN, Michael, A.
    • A61M31/00A61M37/00
    • A61M5/14212A61M5/1452A61M5/14566A61M2005/14208A61M2205/3362
    • A method of capacitance volume correction in fluid-containing expandable bodies and associated fluid pathways is disclosed for application in fluid delivery systems used to supply fluids to patients during radiographic imaging procedures including angiography. One embodiment is directed to a method of controlling delivery of fluid to a downstream process, including providing a fluid-containing expandable body, including a pressurizing element and in fluid communication with the downstream process, pressurizing the expandable body by moving the pressurizing element forward in the expandable body to reduce volume therein, and ceasing movement of the pressurizing element after allowing the pressurizing element to over-travel a sufficient distance to compensate for expansion of the expandable body under pressure. The expandable body may be a syringe and the pressurizing element may be a plunger disposed within the syringe. Movement of the pressurizing element is controlled by an algoπthm associated with a computer.
    • 公开了一种用于含流体的可膨胀体和相关流体通路中的电容体积校正的方法,用于在用于在包括血管造影的放射照相成像程序期间向患者供应流体的流体输送系统中。 一个实施例涉及一种控制流体向下游过程输送的方法,包括提供含流体的可膨胀体,包括加压元件并且与下游流体流体连通,通过将加压元件向前移动来对可膨胀体进行加压 所述可膨胀体减小其中的体积,并且在允许加压元件过度行进足够的距离之后停止加压元件的运动,以补偿在膨胀的主体在压力下的膨胀。 可膨胀体可以是注射器,并且加压元件可以是设置在注射器内的柱塞。 加压元件的移动由与计算机相关联的算术控制。
    • 16. 发明申请
    • INFUSION DEVICE FOR ACTING ONTO A TUBE SET
    • 用于管理套管的输液装置
    • WO2017036652A1
    • 2017-03-09
    • PCT/EP2016/066725
    • 2016-07-14
    • FRESENIUS VIAL SAS
    • PAOLI, MathieuARCHAT, DamienPETINOT, Sylvain
    • A61M5/168
    • A61M5/16854A61M2205/332A61M2205/3351A61M2205/3355A61M2205/3362
    • An infusion device (1) for acting onto a tube set (2) to transport a medical fluid through the tube set (2) comprises a first housing element (10) constituted to receive a tube section (200, 201) of the tube set (2) and a second housing element (11) being movable with respect to the first housing element (10) such that, in a closed position of the second housing element (11), the first housing element (10) and the second housing element (11) are constituted to receive the tube section (200, 201) in between each other. A sensor device (3) is arranged on the first housing element (10) and having a sensor element (30) for measuring a force on the tube section (200, 201) of the tube set (2). Herein it is provided that the sensor device (3) is arranged on the first housing element (10) in an elastically displaceable manner, wherein the sensor device (3) is supported on the first housing element (10) via at least one spring element (33). In this way an infusion device is obtained which may be less prone to variations in the squeezing of a tube section in between the sensor element and a movable housing element, potentially reducing the effort for calibrating infusion devices and increasing the reliability of pressure measurements on a tube section.
    • 用于作用在管组(2)上以输送医疗流体通过管组(2)的输注装置(1)包括构造成接纳管组(200,201)的管部分(200,201)的第一壳体元件(10) (2)和第二壳体元件(11)可相对于第一壳体元件(10)移动,使得在第二壳体元件(11)的关闭位置,第一壳体元件(10)和第二壳体 元件(11)构成为将管部(200,201)彼此接收。 传感器装置(3)布置在第一壳体元件(10)上并具有用于测量管组(2)的管部分(200,201)上的力的传感器元件(30)。 这里,传感器装置(3)以可弹性位移的方式布置在第一壳体元件(10)上,其中传感器装置(3)经由至少一个弹簧元件(3)支撑在第一壳体元件 (33)。 以这种方式,获得输注装置,其可能不太容易在挤压传感器元件和可移动外壳元件之间的管部分的变化中变化,潜在地减少了用于校准输注装置的努力,并且增加了对 管段。
    • 17. 发明申请
    • PRESSURE SENSOR AND TUBING KIT FOR MONITORING BLOOD PRESSURE DURING MEDICAL CONTRAST AGENT INJECTION PROCEDURE
    • 用于在医疗对比剂注射程序期间监测血压的压力传感器和管道工具
    • WO2014028103A1
    • 2014-02-20
    • PCT/US2013/045204
    • 2013-06-11
    • ACIST MEDICAL SYSTEMS, INC.
    • NYSTROM, Sidney, D.SCOTT, David, D.
    • A61M5/00A61B5/021A61B5/0215G01L7/08G01L9/00G01L19/00G01L19/06
    • A61B5/02141A61B5/0215A61B5/4839A61B5/7217A61M5/007A61M5/16854A61M2205/3344A61M2205/3362A61M2230/30
    • A pressure transducer assembly (226) and a disposable fluid circuit/ tubing kit (360,760) including the former for monitoring blood pressure during a medical contrast agent injection procedure are disclosed. The pressure sensor (21) is isolated from the relatively high pressures occurring during such procedures by a volume of a compressible medium, like air or other suitable gas. The volume fills a cavity (23) of the pressure transducer assembly, and is enclosed between a pressure transmission membrane (24) and the pressure sensor (21). The pressure transducer assembly is integrated into a fluid circuit such that the pressure transmission membrane is exposed to flow through the fluid circuit (22). The pressure transmission membrane (24) moves into contact with a floor (235) of a first part (23A) of the cavity once a certain threshold pressure is reached in order to protect he sensitive pressure sensor from excess pressure, and rebounds back out of contact with the floor when pressures subside below said threshold pressure.
    • 公开了一种压力传感器组件(226)和包括用于在医疗造影剂注射过程中监测血压的前置物的一次性流体回路/管道套件(360,760)。 压力传感器(21)与在这种操作过程中发生的相当高的压力隔离一定体积的可压缩介质,如空气或其它合适的气体。 体积填充压力传感器组件的空腔(23),并被封闭在压力传递膜(24)和压力传感器(21)之间。 压力传感器组件集成到流体回路中,使得压力传递膜暴露于流过流体回路(22)。 一旦达到一定的阈值压力,压力传递膜(24)移动成与空腔的第一部分(23A)的地板(235)接触,以便保护敏感压力传感器免受过大的压力,并且反弹回 当压力低于所述阈值压力时,与地板接触。
    • 19. 发明申请
    • OPTISCHE DRUCKERFASSUNG EINER FLÜSSIGKEIT IN EINEM MEDIZINISCHEN VERABREICHUNGSGERÄT
    • 光学压力传感中的液体中医疗输送装置
    • WO2011020201A1
    • 2011-02-24
    • PCT/CH2010/000195
    • 2010-08-10
    • TECPHARMA LICENSING AGMARGGI, Rolf
    • MARGGI, Rolf
    • A61M5/168G01L9/00
    • A61M5/16854A61M5/1413A61M5/14244A61M5/14566A61M2205/3306A61M2205/3348A61M2205/3355A61M2205/3362G01L9/0097
    • Es werden eine Vorrichtung und ein Verfahren zur Druckerfassung in einem flϋssigkeitsführenden Bereich (121) eines Verabreichungsgerät offenbart. Die Vorrichtung weist eine oder mehrere parallele Detektionskapillaren (131) mit einem ersten, offenen Ende und einem zweiten, verschlossenen Ende auf. Die Detektionskapillaren sind mit einem kompressiblen Gas, z.B. Luft, gefüllt und an ihrem ersten Ende mit dem flϋssigkeitsführenden Bereich verbunden. Ein lichtdurchlässiges optisches Element (200) begrenzt die Detektionskapillaren entlang der Längsrichtung zu mindestens einer Seite hin, unter Bildung mindestens einer Grenzfläche. Licht wird derart in das optische Element eingekoppelt, dass das Licht an der Grenzfläche eine Reflexion (insbesondere eine Totalreflexion) erfährt, wenn sich an der Grenzfläche Luft befindet. Wenn sich an der Grenzfläche dagegen Flϋssigkeit befindet, die aufgrund eines erhöhten Drucks in die Detektionskapillaren gedrückt wurde, findet eine verminderte Reflexion (insbesondere keine Totalreflexion) mehr statt. Das reflektierte Licht wird detektiert. Hierdurch wird eine Druckerfassung ermöglicht, die nur einen sehr geringen Staubolus erzeugt. Die Druckerfassungseinrichtung kann in einem Adapter zum Anschluss eines Infusionssets untergebracht sein.
    • 本发明提供一种用于在FL感测压力的装置和方法?Ssigkeitsführenden部(121)中公开了一种输送装置。 该装置包括一个或多个平行Detektionskapillaren具有第一开口端和第二,封闭端(131)。 的Detektionskapillaren填充有可压缩的气体,例如 空气中,弥漫在其第一端的佛罗里达?Ssigkeitsführenden区相连。 的光透射的光学元件(200)限制了Detektionskapillaren沿着纵向方向的至少一侧,以形成至少一个接口。 光被如此耦合到在界面反射(具体地说,全反射)经验的光时,有在空气的界面处的光学元件。 如果液体在界面处,然而FL?即压制由于Detektionskapillaren增加的压力,降低的反射花费(尤其是全反射),而不是更。 当检测到反射光。 这使得一个压力检测器,其仅产生非常小的Staubolus。 压力传感装置可以在适配器被容纳用于连接输液装置。