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    • 2. 发明授权
    • Alarm system
    • 警报系统
    • US08795246B2
    • 2014-08-05
    • US13175744
    • 2011-07-01
    • Dean HuThomas YorkeyEvan AndersonKenneth Wu
    • Dean HuThomas YorkeyEvan AndersonKenneth Wu
    • A61M1/00
    • A61M1/0088A61M1/0066A61M1/0068A61M1/0096A61M2205/18A61M2205/702A61M2205/8206
    • Described herein are alarm systems for suction devices for reduced pressure therapy. Alarms systems provide alerts to the patient and/or practitioner regarding the ability of the suction device to continue to provide negative pressure to a tissue region. Alarm systems comprise a sensor mechanism, which is capable of detecting the position of a slidable seal within the suction device, and generating an alert. Certain variations of alarms systems comprise magnetic field sensitive switches and/or electric switches. Other variations of alarm systems comprise rotary encoders to detect the motion and location of constant force springs, which signal the notification mechanism to issue alerts accordingly. Described herein are alarm devices configured to retain a suction device therein and to attach the suction device to a patient. The alarm devices disclosed herein detect the depleted state of the suction device and are capable of retaining the suction device in a plurality of orientations.
    • 这里描述了用于减压治疗的抽吸装置的报警系统。 报警系统向患者和/或从业者提供关于抽吸装置继续向组织区域提供负压的能力的警报。 报警系统包括传感器机构,其能够检测吸入装置内的可滑动密封件的位置,并产生警报。 警报系统的某些变化包括磁场敏感开关和/或电开关。 警报系统的其他变化包括用于检测恒力弹簧的运动和位置的旋转编码器,其指示通知机构相应地发出警报。 这里描述了被配置为在其中保持抽吸装置并将抽吸装置附接到患者的报警装置。 本文公开的报警装置检测抽吸装置的耗尽状态,并且能够将抽吸装置保持在多个取向中。
    • 7. 发明申请
    • Method and apparatus for estimating a physiological parameter
    • 用于估计生理参数的方法和装置
    • US20050143634A1
    • 2005-06-30
    • US11070629
    • 2005-03-01
    • Clark BakerThomas Yorkey
    • Clark BakerThomas Yorkey
    • A61B5/00A61B5/02A61B5/024H03H21/00
    • A61B5/7203A61B5/0075A61B5/024A61B5/02416A61B5/14551A61B5/14552A61B5/7207A61B5/7239A61B5/725G06F19/00H03H21/003
    • A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take into account the physical limitations on various physiological parameters being monitored when weighting and averaging a series of measurements. Varying weights are assigned different measurements, measurements are rejected, and the averaging period is adjusted according to the reliability of the measurements. Similarly, calculated values derived from analyzing the measurements are also assigned varying weights and averaged over adjustable periods. More specifically, a general class of filters such as, for example, Kalman filters, is employed in processing the measurements and calculated values. The filters use mathematical models which describe how the physiological parameters change in time, and how these parameters relate to measurement in a noisy environment. The filters adaptively modify a set of averaging weights to optimally estimate the physiological parameters.
    • 一种用于减少噪声对用于测量生理参数的系统的影响的方法和装置,例如脉搏血氧计。 本发明的方法和装置考虑到当加权和平均一系列测量时监测的各种生理参数的物理限制。 不同的权重被分配不同的测量,测量被拒绝,平均期间根据测量的可靠性进行调整。 类似地,从分析测量得到的计算值也被赋予变化的权重并且在可调周期上平均。 更具体地,在处理测量值和计算值时,采用一般的滤波器类,例如卡尔曼滤波器。 过滤器使用描述生理参数如何随时间变化的数学模型,以及这些参数如何与嘈杂环境中的测量相关。 滤波器自适应地修改一组平均权重以最佳地估计生理参数。
    • 9. 发明申请
    • Pulse oximeter with parallel saturation calculation modules
    • 具有并联饱和度计算模块的脉搏血氧计
    • US20050124871A1
    • 2005-06-09
    • US11039529
    • 2005-01-19
    • Clark BakerThomas Yorkey
    • Clark BakerThomas Yorkey
    • A61B5/00A61B5/02A61B5/024H03H21/00
    • A61B5/7203A61B5/0075A61B5/024A61B5/02416A61B5/14551A61B5/14552A61B5/7207A61B5/7239A61B5/725G06F19/00H03H21/003
    • A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take into account the physical limitations on various physiological parameters being monitored when weighting and averaging a series of measurements. Varying weights are assigned different measurements, measurements are rejected, and the averaging period is adjusted according to the reliability of the measurements. Similarly, calculated values derived from analyzing the measurements are also assigned varying weights and averaged over adjustable periods. More specifically, a general class of filters such as, for example, Kalman filters, is employed in processing the measurements and calculated values. The filters use mathematical models which describe how the physiological parameters change in time, and how these parameters relate to measurement in a noisy environment. The filters adaptively modify a set of averaging weights to optimally estimate the physiological parameters.
    • 一种用于减少噪声对用于测量生理参数的系统的影响的方法和装置,例如脉搏血氧计。 本发明的方法和装置考虑到当加权和平均一系列测量时监测的各种生理参数的物理限制。 不同的权重被分配不同的测量,测量被拒绝,平均期间根据测量的可靠性进行调整。 类似地,从分析测量得到的计算值也被赋予变化的权重并且在可调周期上平均。 更具体地,在处理测量值和计算值时,采用一般的滤波器类,例如卡尔曼滤波器。 过滤器使用描述生理参数如何随时间变化的数学模型,以及这些参数如何与嘈杂环境中的测量相关。 滤波器自适应地修改一组平均权重以最佳地估计生理参数。