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公开(公告)号：US20150258321A1
公开(公告)日：2015-09-17
申请号：US14436262
申请日：2013-10-09
IPC分类号： A61M39/02
CPC分类号： A61M39/02 , A61B5/0002 , A61B5/145 , A61B5/1495 , A61B5/6865 , A61B2560/0223 , A61M2039/1077 , A61M2205/3303 , A61M2205/3327 , A61M2207/00 , Y10T29/49826
摘要： The present disclosure provides a sensor system that includes a fluid supply, one or more supply lines, a monitor, communication lines, a sensor, a catheter and a connector assembly. The connector assembly includes a housing and a tube extending out of a distal end of the housing wherein the tube is compressed against a luer connector of the catheter to form a seal between the catheter and connector assembly.
摘要翻译： 本公开提供了一种传感器系统，其包括流体供应源，一个或多个供应管线，监视器，通信线路，传感器，导管和连接器组件。 连接器组件包括壳体和从壳体的远端延伸出的管，其中管被压靠在导管的鲁尔连接器上以在导管和连接器组件之间形成密封。
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公开(公告)号：US20140221911A1
公开(公告)日：2014-08-07
申请号：US14165297
申请日：2014-01-27
CPC分类号： A61M5/1723 , A61B5/1495 , A61B2560/0223 , A61M1/3653 , A61M1/3659 , A61M5/16854 , A61M2205/505 , A61M2205/52 , A61M2230/201
摘要： The present disclosure provides a sensor system that includes a blood access device, a flow controller, and an analyte sensor. The system is configured to flush or draw a volume of fluid through the blood access device at least once; determine a signal-time history corresponding to signals received from the sensor; determine a duration of a portion of the signal-time history; determine whether the duration is greater than a predetermined threshold value; and detect the occlusion in the blood access device when the duration is greater than the predetermined threshold value.
摘要翻译： 本公开提供了一种包括血液存取装置，流量控制器和分析物传感器的传感器系统。 所述系统被配置成至少一次地冲洗或抽取流体通过所述血液进入装置的体积; 确定对应于从传感器接收的信号的信号时间历史; 确定信号时间历史的一部分的持续时间; 确定持续时间是否大于预定阈值; 并且当所述持续时间大于所述预定阈值时，检测所述血液存取装置中的闭塞。
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公开(公告)号：US20130228002A1
公开(公告)日：2013-09-05
申请号：US13864936
申请日：2013-04-17
IPC分类号： G01N33/96
CPC分类号： G01N33/96 , A61B5/14532 , A61B5/1495 , A61B5/4839 , A61M2207/00 , A61M2230/201 , Y10T436/10 , Y10T436/102499 , Y10T436/104998 , Y10T436/108331
摘要： Methods and systems for preparation of calibrant infusion fluid sources are disclosed. In one embodiment, a precise volume of glucose is injected into a saline-solution filled calibrant infusion fluid source proximate in time to conducting a calibration procedure. The glucose concentration in the calibrant infusion fluid source is subsequently calculated based on the measured weight of the saline-solution, as determined prior to glucose injection, and the volume of glucose injected. This method provides a highly accurate and convenient manner for use in a hospital environment, for example, with an intravenous blood glucose sensor system. In another embodiment, a premixed calibrant infusion fluid source is provided that includes saline solution and a predetermined concentration of glucose. In such embodiments, shelf life problems related to water evaporation are mitigated by hermetically covering or otherwise hermetically containing the calibrant infusion fluid source up until the point of use.
摘要翻译： 公开了用于制备校准液输注液源的方法和系统。 在一个实施方案中，在时间上将精确体积的葡萄糖注入盐水溶液填充的校准液输注液源中以进行校准程序。 随后根据在注射葡萄糖之前测定的盐水溶液的测量重量和注入的葡萄糖体积来计算校准液输注液源中的葡萄糖浓度。 该方法提供了在医院环境中使用的高度准确和方便的方式，例如使用静脉内血糖传感器系统。 在另一个实施方案中，提供了预混合的校准液输注液源，其包括盐溶液和预定浓度的葡萄糖。 在这样的实施方案中，通过气密地覆盖或以其他方式密封含有校准液输注流体源直到使用点来减轻与水蒸发相关的保质期问题。
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公开(公告)号：US20140353153A1
公开(公告)日：2014-12-04
申请号：US14459643
申请日：2014-08-14
发明人： Michael Higgins , Mark A. Konno , Todd Fjield
IPC分类号： G01N27/416
CPC分类号： G01N27/416 , A61B5/14532 , A61B5/1486 , A61B5/1495 , A61B2562/242 , G01N27/327 , G01N33/4875
摘要： Apparatus and methods are described for preparing, maintaining, and stabilizing sensors. The apparatus and methods for preparing sensors for use are utilized in advance of the sensor being removed from a sealed, sterilized package. The apparatus include packaging materials having electrical circuits capable of stabilizing a sensor to prepare the sensor for use. The methods for preparing a sensor for use includes methods of providing a solution to a sterilized packaging that contains a sensor connected to a sensor activating circuit, activating the circuit, and allowing the sensor to stabilize. These methods can be performed without compromising the packaging. The apparatus for stabilizing a sensor that is in use include a circuit connectable to the sensor that provides a signal to the sensor that prevents the sensor from becoming destabilized when disconnected from a monitoring device.
摘要翻译： 描述了用于制备，维护和稳定传感器的装置和方法。 在将传感器从密封的无菌包装中取出之前，使用用于制备用于制备传感器的装置和方法。 该装置包括具有能够稳定传感器以制备传感器以供使用的电路的封装材料。 制备用于使用的传感器的方法包括向包括连接到传感器启动电路的传感器，激活电路并允许传感器稳定的灭菌包装提供解决方案。 这些方法可以在不损害包装的情况下进行。 用于稳定正在使用的传感器的装置包括可连接到传感器的电路，该传感器向传感器提供信号，以防止当与监视装置断开时传感器变得不稳定。
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公开(公告)号：US20140235984A1
公开(公告)日：2014-08-21
申请号：US14168932
申请日：2014-01-30
发明人： Jennifer L. Wilbur , Michael Higgins , Paul S. Van Wieren , Alexander H. Siemons , Chris J. Okos
CPC分类号： A61B5/150992 , A61B5/14503 , A61B5/14532 , A61B5/1495 , A61B5/15003 , A61B5/150229 , A61B5/150259 , A61B5/150755 , A61B5/155 , A61B5/157 , A61B5/6866
摘要： The present invention provides a blood parameter sensing system that may include a sensor, a blood access system, a flow controller and a monitor system. The blood access system may include a blood draw member having an internal configuration adapted to avoid clotting without the use of anticoagulants and under a range of flow profiles, including small volume blood draws. The flow controller may be configured to adapt to a range of access devices by using feedback from the sensor and monitor to customize flow profiles. The monitor system is configured to reduce parameter measurement error by modeling sensitivity change during system startup or reconnect.
摘要翻译： 本发明提供一种血液参数检测系统，其可以包括传感器，血液存取系统，流量控制器和监视器系统。 血液存取系统可以包括具有适于避免凝血而不使用抗凝剂并且在一定范围的流动特征（包括小体积血液抽吸）下的内部构造的血液抽吸构件。 流量控制器可以被配置为通过使用来自传感器和监视器的反馈来适应一系列访问设备来定制流量简档。 监视器系统配置为通过在系统启动或重新连接期间建立灵敏度更改来降低参数测量误差。
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