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1. 发明申请

WO1997010642A1 OPEN-LOOP STEP MOTOR CONTROL SYSTEM 审中-公开
标题翻译：开环步进电机控制系统
公开(公告)号：WO1997010642A1
公开(公告)日：1997-03-20
申请号：PCT/US1996014543
申请日：1996-09-11
申请人： IVAC MEDICAL SYSTEMS, INC.
发明人： IVAC MEDICAL SYSTEMS, INC. , HOLDAWAY, Charles, R.
IPC分类号： H02P08/04
CPC分类号： H02P8/22 , H02P8/04 , H02P8/24 , H02P8/32
摘要： A motor control system that reduces noise while reducing power requirements but providing sufficient torque. A one-phase-on drive mode modified to microstep between "one phase on" positions is used to accelerate the motor in a non-linear manner to a maximum speed. The microstep drive modes have a constant period, and the step rate of the motor is increased by decreasing the number of microsteps in succeeding steps of the motor. A modified full step waveform maintains the motor at the maximum speed, where the current to one winding of the step motor changes polarity within one motor step while the other remains approximately constant providing increased smoothness in the drive and reduced noise. The polarity changes in accordance with the inductance and the compliance voltage of the motor. A one-phase-on waveform modified to include microsteps between "one phase on" positions later decelerates the motor in a non-linear manner, and the motor stops in a detent position until another waveform of steps is delivered to the motor.
摘要翻译：一种电机控制系统，可在降低噪音的同时降低功率需求但提供足够的转矩在“一相”位置修改为微步的单相驱动模式用于以非线性方式将电机加速到最大速度。微步驱动模式具有恒定周期，并且通过减少马达的后续步骤中的微步数量来增加马达的步进速率。改进的全步波形将电动机保持在最大速度，其中步进电机的一个绕组的电流在一个电动机阶跃期间改变极性，而另一个保持大致恒定，从而提高驱动器的平滑度和降低的噪声。极性根据电机的电感和顺从电压而变化。修改为包括“一相”位置之间的微步的单相接通波形稍后以非线性方式使电动机减速，并且电动机停止在制动位置，直到另一个步进波形传递到电动机。

2. 发明申请

WO1997007843A1 UPSTREAM OCCLUSION DETECTION SYSTEM 审中-公开
标题翻译： UPSTREAM监测系统
公开(公告)号：WO1997007843A1
公开(公告)日：1997-03-06
申请号：PCT/US1996013881
申请日：1996-08-29
申请人： IVAC MEDICAL SYSTEMS, INC.
发明人： IVAC MEDICAL SYSTEMS, INC. , BUTTERFIELD, Robert, D.
IPC分类号： A61M05/168
CPC分类号： A61M5/16859 , A61M2005/16872
摘要： A pumping segment of a fluid line alternately in fluid communication with the upstream and downstream portions of the fluid line connects a fluid supply to a fluid receiver. A pressure sensor located downstream of the segment monitors the pressure during the segment's communication with the upstream and downstream ends. The pressure difference is used to establish a pressure threshold against which the average pressure is compared to determine if an upstream occlusion exists. Should the average pressure fall within a cautionary zone, the pump is reversed to examine the pressure difference once again. Based on the pressure difference during thre reversal, a pressure threshold line may be adjusted thereby adapting to fluid administration conditions.
摘要翻译：交替地与流体管线的上游部分和下游部分流体连通的流体管线的泵送段将流体供应件连接到流体接收器。位于分段下游的压力传感器监测分段与上游和下游端的通信期间的压力。压力差被用于建立压力阈值，使平均压力与之相比较以确定是否存在上游阻塞。如果平均压力落在警戒区内，则泵反转以再次检查压力差。基于反转期间的压力差，可以调节压力阈值线，从而适应流体管理条件。

3. 发明申请

WO1996036389A1 AUTOMATED INFUSION SYSTEM WITH DOSE RATE CALCULATOR 审中-公开
标题翻译：自动灌注系统与剂量计算器
公开(公告)号：WO1996036389A1
公开(公告)日：1996-11-21
申请号：PCT/US1996006945
申请日：1996-05-15
申请人： IVAC MEDICAL SYSTEMS, INC.
发明人： IVAC MEDICAL SYSTEMS, INC. , DASTUR, Kamal, M. , KOENIG, Paul, A. , WERSCHMIDT, Gary , HONG, Son , JIANG, Jack
IPC分类号： A61M31/00
CPC分类号： A61M5/172 , A61M2005/14208 , A61M2205/3553 , A61M2205/3561 , A61M2205/6018 , G06F19/00 , G06F19/3468 , G16H40/63
摘要： This invention is a medication infusion system (10) having an integrated dose rate calculation feature for selectively assigning values to a plurality of infusion parameters and automatically calculating an infusion rate from the selected parameters.
摘要翻译：本发明是具有综合剂量率计算特征的药物输注系统（10），用于选择性地将值分配给多个输注参数并且根据所选择的参数自动计算输注速率。

4. 发明申请

WO1996036923A1 SYSTEM AND METHOD FOR COLLECTING DATA AND MANAGING PATIENT CARE 审中-公开
标题翻译：收集数据和管理患者护理的系统和方法
公开(公告)号：WO1996036923A1
公开(公告)日：1996-11-21
申请号：PCT/US1996006944
申请日：1996-05-15
申请人： IVAC MEDICAL SYSTEMS, INC.
发明人： IVAC MEDICAL SYSTEMS, INC. , ENGLESON, Joseph, J. , CHAMBERLAIN, Craig
IPC分类号： G06F17/00
CPC分类号： G06F19/3456 , A61J2205/10 , A61J2205/20 , A61J2205/30 , A61J2205/60 , A61M5/142 , A61M5/172 , A61M2005/14208 , A61M2205/18 , A61M2205/502 , A61M2205/52 , G06F19/00 , G06F19/321 , G06F19/324 , G06F19/3418 , G16H40/20
摘要： A care management system (30) in which the management of the administration of care for patients is automated. Hospital information systems are monitored and the information from those systems is used in verifying the administration of care to patients. The care management system (30) monitors ongoing administrations for progress and automatically updates records and provides alarms when necessary. The care management is modular in nature but is fully integrated among its modules. Particular lists of data, such as the termination times of all ongoing infusions, provide hospital staff current information for increased accuracy and efficiency in planning. Features include the automatic provision of infusion parameters to pumps (92) for accurate and efficient configuration of the pump, and providing an alarm when an unscheduled suspension of an infusion exceeds a predetermined length of time.
摘要翻译：一种护理管理系统（30），其中对患者的护理管理的管理是自动化的。监测医院信息系统，并将这些系统的信息用于验证对患者的护理管理。护理管理系统（30）监视正在进行的主管部门的进度并自动更新记录，并在必要时提供警报。护理管理本质上是模块化的，但是在其模块之间完全集成。数据列表，例如所有正在进行的输液的终止时间，为医院工作人员提供了最新信息，以提高计划的准确性和效率。特征包括自动提供泵（92）的输注参数，用于泵的精确和有效配置，以及当输注的非计划停顿超过预定时间长度时提供报警。

5. 发明申请

WO1997013310A1 POWER MANAGEMENT SYSTEM 审中-公开
标题翻译：电源管理系统
公开(公告)号：WO1997013310A1
公开(公告)日：1997-04-10
申请号：PCT/US1996015526
申请日：1996-09-27
申请人： IVAC MEDICAL SYSTEMS, INC.
发明人： IVAC MEDICAL SYSTEMS, INC. , LAYMAN, Douglas, C. , SMITH, Oliver, J.
IPC分类号： H02J07/00
CPC分类号： A61M5/142 , A61M2205/16 , A61M2205/8206 , G01R31/3648 , H02J7/0047 , H02J7/0073 , H02J7/1446 , H02J9/061 , H02J2007/0049 , Y10S320/10 , Y10T307/615 , Y10T307/62 , Y10T307/625 , Y10T307/724
摘要： A power management system (28) automatically manages the power to operate a biomedical device, such as an infusion pump (34) containing an internal battery (26). When external power is available, the management system operates the biomedical device from the external power and controls a recharger to maintain the battery (26) at full charge. The power management system (28) automatically calculates battery charge status and use and provides a run time display (24) of the calculated amount of time that the battery can operate the biomedical device under current power requirements of the biomedical device. The power management sytem (28) automatically updates the calculated charge status of the battery as well as the calculated capacity of the battery based on environmental factors and battery characteristics. The power management system automatically and periodically performs a deep discharge/recharge cycle to refresh the battery.
摘要翻译：电力管理系统（28）自动管理操作诸如包含内部电池（26）的输液泵（34）的生物医学装置的电力。当外部电源可用时，管理系统从外部电源操作生物医学装置，并控制充电器以将电池（26）充满电。电源管理系统（28）自动计算电池电量状态并使用并提供计算出的电量在电生物医学设备的当前功率要求下可以操作生物医学装置的时间的运行时间显示（24）。电源管理系统（28）根据环境因素和电池特性自动更新计算出的电池充电状态以及计算出的电池容量。电源管理系统自动周期性地执行深度放电/再充电周期来刷新电池。

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